Source Data for "Future nitrogen availability and its effect on carbon sequestration in Northern Eurasia" Kicklighter et al. Below we list the files that contain the source data used in the specified Figures and Tables in the main paper and Supplementary Information. A drawback of the dynamic cohort approach used in this study is that it is very disk intensive as a grid cell may have several hundred cohorts by the end of the simulation. In addition, the TEM output files contain information associated with a 1200-year spinup period in addition to the 601-year (1500-2100) study period. This spinup period allows the carbon and nitrogen dynamics in grid cells with a prescribed land use in year 1500 to come back into a dynamic equilibrium after being disturbed from natural conditions. Consequently, the files for the TEM output variables are very large (~175 to 250 GB for each variable) and are very unwieldy to store, process and share with others. As an alternative, we provide Excel files that have summarized the TEM output (see Data analysis section of Methods) for each of 33 land cover types during the entire simulation period (including spinup) to serve as source data. These files also include summaries for young (less than 120-years old) forest types in addition to summaries for all stand ages combined. In addition, ASCII files that map the values of TEM output variables in the figures are provided. These ASCII files can be read directly into ArcMap to evaluate values of individual pixels of the map. All simulations were conducted using the IGSM land cover (LC) classification in Table 5 of Schlosser et al. (2017) with land-use change based on the land-use transitions prescribed by the LuHav1 data set of Hurtt et al. (2011). To examine the influence of land cover, the IGSMVEG vegetation classes were aggregated into the following broad land cover categories: Forest: LC01 + LC02 + LC03 + LC04 + LC05 + LC06 + LC07 + LC08 Shrublands: LC10 Tundra: LC11 + LC12 Grasslands: LC13 + LC14 Wetlands: LC19 + LC20 + LC21 + LC22 + LC24 + LC25 Deserts: LC00 Croplands: LC15 Pastures: LC33 References: Hurtt, G. C., L. P. Chini, S. Frolking, R. A. Betts, J. Feddema, G. Fischer, J. P. Fisk, K. Hibbard, R. A. Houghton, A. Janetos, C. D. Jones, G. Kindermann, T. Kinoshita, K. Klein Goldewijk, K. Riahi, E. Shevliakova, S. Smith, E. Stehfest, A. Thomson, P. Thornton, D. P. van Vuuren, and Y. P. Wang (2011) Harmonization of land-use scenarios for the period 1500–2100: 600 years of global gridded annual land-use transitions, wood harvest, and resulting secondary lands. Climatic Change 109, 117-161, [https://doi.org/10.1007/s10584-011-0153-2]. Schlosser, C. A., D. Kicklighter and A. Sokolov (2007) A Global Land System Framework for Integrated Climate-Change Assessments. MIT Joint Program on Science and Policy of Global Change Report No. 147. Massachusetts Institute of Technology, Cambridge, Massachusetts. [https://globalchange.mit.edu/publication/15553]. ***************************************************************** Figure 1: Panel a: Location (longitude, latitude) of the 17,773 grid cells used to define the area of Northern Eurasia represented in this study Negative longitudes represent the western hemisphere and positive longitudes represent the eastern hemisphere. Postive latitudes represent the northern hemisphere. Data set: NorthernEurasiaGridCells.csv Data units: Degrees Data format: Comma-delimited (csv) ***** Panel b: Relative land cover of Northern Eurasia Area data during the year 2000 is given in legend in units of million square kilometers, but data is also given in Supplementary Table 3, in units of million hectares. ***** Panel c: Distribution of young and old forests in Northern Eurasia Data sets: youngforest2000NorthernEurasiaMap.txt oldforest2000NorthernEurasiaMap.txt Data units: Proportion of grid cell covered Data format: ArcMap 10.6 ASCII map ***** Panel d: Distribution of young and old forests underlain by permafrost during 2000 Data sets: youngforest2000PermafrostMap.txt oldforest2000PermafrostMap.txt Data units: Proportion of grid cell covered Data format: ArcMap 10.6 ASCII map ***************************************************************** Figure 2: Temporal trends in environmental characteristics projected by the RCP8.5 and RCP4.5 global change scenarios. Panel a: Atmospheric chemistry Atmospheric carbon dioxide concentrations: For all regions, TEM uses global mean annual atmospheric carbon dioxide (CO2) concentrations estimated by the MIT IGSM. Data sets: RCP8.5: igsmco2RCP8.5_1500_2100glb.txt RCP4.5: igsmco2RCP4.5_1500_2100glb.txt Data units: ppmv CO2 Data format: Space-delimited ASCII text Data structure: Column 1: Year Column 2: CO2 concentration ** Accumulated ozone above 40 ppb-hr threshold (AOT40): TEM uses the AOT40 ozone index estimated from the MIT IGSM-CAM Summarized estimates: Data set: igsmaot40_2000_2100NorthernEurasia.csv Data units: Mean annual ppb-hr O3 Data format: Comma-delimited (csv) "Raw" estimates: Data sets: RCP8.5: igsmaot40RCP8.5_1500_2100NorthernEurasia.txt (File Size: 1.24 GB) RCP4.5: igsmaot40RCP4.5_1500_2100NorthernEurasia.txt (File Size: 1.23 GB) Data units: Monthly ppb-hr O3 Data format: Comma-delimited ASCII text Data Structure of "Raw" data: Column 1: Longitude Column 2: Latitude Column 3: Variable name Column 4: Land area Column 5: Year Column 6: Annual sum Column 7: Maximun monthly value during year Column 8: Average monthly value during year Column 9: Minimum monthly value during year Column 10: January monthly value Column 11: February monthly value Column 12: March monthly value Column 13: April monthly value Column 14: May monthly value Column 15: June monthly value Column 16: July monthly value Column 17: August monthly value Column 18: September monthly value Column 19: October monthly value Column 20: November monthly value Column 21: December monthly value Column 22: Monthly value for January of next year Column 23: Region containing grid cell ** Atmospheric nitrogen deposition: TEM uses atmospheric nitrogen deposition based on the ACCMIP "snap shots" described by Lamarque et al. (2013). Summarized estimates: Data set: totndep2000_2100NorthernEurasia.csv Data units: Tg N per year Data format: Comma-delimited (csv) "Raw" estimates: Data sets: RCP8.5: totndepRCP8.5_1500_2100NorthernEurasia.txt (File Size: 728 MB) RCP4.5: totndepRCP4.5_1500_2100NorthernEurasia.txt (File Size: 727 MB) Data units: mg N per square meter per year Data format: Comma-delimited ASCII text Data Structure of "Raw" data: Column 1: Longitude Column 2: Latitude Column 3: Variable name Column 4: Land area Column 5: Year Column 6: Annual deposition of NHx Column 7: Annual deposition of NOy Column 8: Annual deposition of (NHx + NOy) Column 9: Region containing grid cell ***** Panel b: Climate Incoming solar radiation: TEM uses incoming solar radiation (isr) estimated from the MIT IGSM Summarized estimates: Data set: igsmisr2000_2100NorthernEurasia.csv Data units: Mean annual Watts per square meter Data format: Comma-delimited (csv) "Raw" estimates: Data sets: RCP8.5: igsmisrRCP8.5_1500_2100NorthernEurasia.txt (File Size: 1.39 GB) RCP4.5: igsmisrRCP4.5_1500_2100NorthernEurasia.txt (File Size: 1.39 GB) Data units: Mean monthly Watts per square meter Data format: Comma-delimited ASCII text ** Air temperature: TEM uses air temperature (tair) estimated from the MIT IGSM-CAM Summarized estimates: Data set: igsmtair2000_2100NorthernEurasia.csv Data units: Mean annual Degrees Celsius Data format: Comma-delimited (csv) "Raw" estimates: Data sets: RCP8.5: igsmtairRCP8.5_1500_2100NorthernEurasia.txt (File Size: 1.33 GB) RCP4.5: igsmtairRCP4.5_1500_2100NorthernEurasia.txt (File Size: 1.33 GB) Data units: Mean monthly Degrees Celsius Data format: Comma-delimited ASCII text ** Precipitation: TEM uses precipitation (prec) estimated from the MIT IGSM-CAM Summarized estimates: Data set: igsmprec2000_2100NorthernEurasia.csv Data units: millimeters per year Data format: Comma-delimited (csv) "Raw" estimates: Data sets: RCP8.5: igsmprecRCP8.5_1500_2100NorthernEurasia.txt (File Size: 1.33 GB) RCP4.5: igsmprecRCP4.5_1500_2100NorthernEurasia.txt (File Size: 1.33 GB) Data units: millimeters per month or year Data format: Comma-delimited ASCII text Data structure of "raw" estimates for ALL climate variables and AOT40: Column 1: Longitude Column 2: Latitude Column 3: Variable name Column 4: Land area Column 5: Year Column 6: Annual sum Column 7: Maximun monthly value during year Column 8: Average monthly value during year Column 9: Minimum monthly value during year Column 10: January monthly value Column 11: February monthly value Column 12: March monthly value Column 13: April monthly value Column 14: May monthly value Column 15: June monthly value Column 16: July monthly value Column 17: August monthly value Column 18: September monthly value Column 19: October monthly value Column 20: November monthly value Column 21: December monthly value Column 22: Monthly value for January of next year Column 23: Region containing grid cell ***** Panel c: Land-use change Summarized data by land cover type: Data sets: RCP8.5: lulcRCP8.5_2000_2100NorthernEurasia.csv RCP4.5: lulcRCP4.5_2000_2100NorthernEurasia.csv Data units: million square kilometers Data format: Comma-delimited (csv) ****************************************************************** Figure 3: Net carbon sequestration and nitrogen availability for all ecosystems in Northern Eurasaia. Figures are a graphical representation of the data provided in Supplementary Tables 5-12 Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. ** Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC ** Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD ** Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB ** Biological nitrogen fixation (BiolNfix) is calculated as the sum of asymbiotic nitrogen fixation (AsymNfix) and symbiotic nitrogen fixation (SymNfix): BiolNfix = AsymNfix + SymNfix ** Total nitrogen availability (Navail) is calculated as the sum of NetNMin, BiolNfix, total nitrogen deposition (TotNdep), and agricultural application of nitrogen fertilizers (AgNfert): Navail = NetNMin + BiolNfix + TotNdep + AgNfert ** Summarized data by IGSM LC type for forest ecosystems (Panel a), non-forest ecosystems (Panel b), and all ecosystems (Panel c): Data sets for the RCP8.5 carbon fluxes: NECBRCP8.5_1500_2100NorthernEurasia.xls NPPRCP8.5_1500_2100NorthernEurasia.xls ECRCP8.5_1500_2100NorthernEurasia.xls LTRFALCRCP8.5_1500_2100NorthernEurasia.xls SLASHCRCP8.5_1500_2100NorthernEurasia.xls AGFPRODCRCP8.5_1500_2100NorthernEurasia.xls PRDF10CRCP8.5_1500_2100NorthernEurasia.xls PRDF100CRCP8.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100NorthernEurasia.xls FORAGECRCP8.5_1500_2100NorthernEurasia.xls MANURECRCP8.5_1500_2100NorthernEurasia.xls RHRCP8.5_1500_2100NorthernEurasia.xls DOCLOADRCP8.5_1500_2100NorthernEurasia.xls Data units: Tg C per year Data format: Multi-tab Excel file (xls) ** Data sets for the RCP8.5 nitrogen fluxes: GROSNMINRCP8.5_1500_2100NorthernEurasia.xls NIMMOBRCP8.5_1500_2100NorthernEurasia.xls ASYMNFIXRCP8.5_1500_2100NorthernEurasia.xls SYMNFIXRCP8.5_1500_2100NorthernEurasia.xls TOTNDEPRCP8.5_1500_2100NorthernEurasia.xls AGFERTNRCP8.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ** Data sets for the RCP4.5 carbon fluxes: NECBRCP4.5_1500_2100NorthernEurasia.xls NPPRCP4.5_1500_2100NorthernEurasia.xls ECRCP4.5_1500_2100NorthernEurasia.xls LTRFALCRCP4.5_1500_2100NorthernEurasia.xls SLASHCRCP4.5_1500_2100NorthernEurasia.xls AGFPRODCRCP4.5_1500_2100NorthernEurasia.xls PRDF10CRCP4.5_1500_2100NorthernEurasia.xls PRDF100CRCP4.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100NorthernEurasia.xls FORAGECRCP4.5_1500_2100NorthernEurasia.xls MANURECRCP4.5_1500_2100NorthernEurasia.xls RHRCP4.5_1500_2100NorthernEurasia.xls DOCLOADRCP4.5_1500_2100NorthernEurasia.xls Data units: Tg C per year Data format: Multi-tab Excel file (xls) ** Data sets for the RCP4.5 nitrogen fluxes: GROSNMINRCP4.5_1500_2100NorthernEurasia.xls NIMMOBRCP4.5_1500_2100NorthernEurasia.xls ASYMNFIXRCP4.5_1500_2100NorthernEurasia.xls SYMNFIXRCP4.5_1500_2100NorthernEurasia.xls TOTNDEPRCP4.5_1500_2100NorthernEurasia.xls AGFERTNRCP4.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ****************************************************************** Figure 4: The relative importance of forests on the temporal trends in nitrogen availability and net carbon sequestration in Northern Eurasia and ecosystems currently underlain by permafrost. Panel a: Nitrogen availability for all ecosystems in the region and those ecosystems underlain by permafrost during 2000 Summarized estimates: Data sets: RCP8.5: NavailRCP8.5_2000_2100Northern Eurasia.csv RCP4.5: NavailRCP4.5_2000_2100Northern Eurasia.csv Data units: Tg N per year Data format: Comma-delimited (csv) ***** Panel b: Nitrogen availability for all forests in the region and those forests underlain by permafrost during 2000 Summarized estimates: Data sets: RCP8.5: NavailForestRCP8.5_2000_2100Northern Eurasia.csv RCP4.5: NavailForestRCP4.5_2000_2100Northern Eurasia.csv Data units: Tg N per year Data format: Comma-delimited (csv) ***** Panel c: Net carbon sequestration for all ecosystems in the region and those ecosystems underlain by permafrost during 2000 Summarized estimates: Data sets: RCP8.5: NECBRCP8.5_2000_2100Northern Eurasia.csv RCP4.5: NECBRCP4.5_2000_2100Northern Eurasia.csv Data units: Pg C per year Data format: Comma-delimited (csv) ***** Panel d: Net carbon sequestration for all forests in the region and those forests underlain by permafrost during 2000 Summarized estimates: Data sets: RCP8.5: NECBForestRCP8.5_2000_2100Northern Eurasia.csv RCP4.5: NECBForestRCP4.5_2000_2100Northern Eurasia.csv Data units: Pg C per year Data format: Comma-delimited (csv) ****************************************************************** Figure 5: Influence of regional cropland abandonment on nitrogen availability and carbon dynamics in secondary forests of Northern Eurasia Panel a: Net nitrogen mineralization (NetNMin) Net nitrogen mineralization is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates: Data set: NETNMINCropAbandonment2000_2100NorthernEurasia.csv Data units: Tg N per year Data format: Comma-delimited (csv) ***** Panel b: Net ecosystem carbon balance (NECB) Summarized estimates: Data set: NECBCropAbandonment2000_2100NorthernEurasia.csv Data units: Pg C per year Data format: Comma-delimited (csv) ***** Panel c: Net primary production (NPP) Summarized estimates: Data set: NPPCropAbandonment2000_2100NorthernEurasia.csv Data units: Pg C per year Data format: Comma-delimited (csv) ***** Panel d: Heterotrophic respiration (RH) Summarized estimates: Data set: RHCropAbandonment2000_2100NorthernEurasia.csv Data units: Pg C per year Data format: Comma-delimited (csv) ***** Panel e: Carbon sequestration in vegetation Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Thus, VegCnew is the amount of standing stock of carbon in vegetation as a result of carbon sequestration (i.e., sum of dVEGCnew) Note that EC, SLASHC, AGFPRODC, PRDF10C, PRDF100C, CRPSTUBC, and FORAGE are equal to zero when cropland is abandoned. Because no vegetation biomass is assumed to be on croplands when croplands are abandoned, then any vegetation biomass existing on the abandoned cropland during forest regrowth would represent carbon sequestration in vegetation. Summarized estimates: Data set: VEGCnewCropAbandonment2000_2100NorthernEurasia.csv Data units: Pg C Data format: Comma-delimited (csv) ***** Panel f: Carbon sequestration in soil organic matter Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Thus, TotSOCnew is the amount of standing stock of carbon in soil organic matter as a result of m carbon sequestration (i.e., sum of dTotSOCnew) Note: that SLASHC, CRPSTUBC, and MANUREC are equal to zero when cropland is abandoned. Summarized estimates: Data set: TOTSOCnewCropAbandonment2000_2100NorthenEurasia.csv Data units: Pg C Data format: Comma-delimited (csv) ***** Panel g: Transfer of soil organic carbon (old) from croplands to forest ecosystems Note: TotSOCold is determined by the difference between TOTSOC and TotSOCnew: TotSOCold = TotSOC - TotSOCnew Summarized estimates: Data set: TOTSOColdCropAbandonment2000_2100NorthernEurasia.csv Data units: Pg C Data format: Comma-delimited (csv) ***** Panel h: Transfer of soil organic nitrogen (old) from croplands to forest ecosystems Note: TotSONold is determined by the difference between TOTSON and TotSONnew: TotSONold = TotSON - TotSONnew Nitrogen accumulation/loss from soil organic matter (dTOTSONnew) is determined from the following nitrogen fluxes: dTotSONnew = LTRFALN + ASYMNFIX + SLASHN + CRPSTUBN + MANUREN - NetNMin - DONLOAD Thus, TotSONnew is the amount of standing stock of nitrogen in soil organic matter as a result of nitrogen accumulation or loss (i.e., sum of dTotSONnew) Note that SLASHN, CRPSTUBN, and MANUREN are equal to zero when croplands are abandoned. Summarized estimates: Data sets: TOTSONoldCropAbandonment2000_2100NorthernEurasia.csv TOTSONnewCropAbandonment2000_2100NorthernEurasia.csv Data units: Tg N Data format: Comma-delimited (csv) ****************************************************************** Figure 6: Effect of different land uses on nitrogen availability and carbon sequestration trends in forests of Northern Eurasia Panel a: Effect of cropland abandonment under the RCP4.5 global change scenario Summarized estimates: Data set: cropAbandonment2001_2100NorthernEurasia.csv Data units: Pg C per year for NECB Tg N per year for NetNMin Data format: Comma-delimited (csv) ***** Panel b: Effect of pasture abandonment under the RCP4.5 global change scenario Summarized estimates: Data set: pastureAbandonment2001_2100NorthernEurasia.csv Data units: Pg C per year for NECB Tg N per year for NetNMin Data format: Comma-delimited (csv) ***** Panel c: Effect of timber harvest under the RCP8.5 and RCP4.5 global change scenarios Summarized estimates: Data set: timberharvest2001_2100NorthernEurasia.csv Data units: Pg C per year for NECB Tg N per year for Net N Min Data format: Comma-delimited (csv) ***** Panel d: Effect of climate on undisturbed forests under the RCP8.5 and RCP4.5 global change scenarios Summarized estimates: Data set: oldforest2001_2100Northern Eurasia.csv Data units: Pg C per year for NECB Tg N per year for Net N Min ****************************************************************** Figure 7: Changes in the distribution of land-use change over the 21st century Timber harvest (timberharvest) is calculated as the difference between the total change in young forests during a time period (dyoungforest) and the sum of forest gained from cropland abandonment (crop2forest) and pasture abandonment: timberharvest = dyoungforest - crop2forest - pasture2forest crop2forest is calculated using Python program mapCrop2Forest.py from the total change in young forests (dyoungforest) and the total change in croplands (dcrops) pasture2forest is calculated using Python program mapPasture2Forest.py from the total change in young forests (dyoungforest) and the total change in pastures (dpasture) ***** Data sets: Current: youngforest2000NorthernEurasiaMap.txt crops2000NorthernEurasiaMap.txt pasture2000NorthernEurasiaMap.txt RCP8.5: youngforestRCP8.5_2050NorthernEurasiaMap.txt youngforestRCP8.5_2100NorthernEurasiaMap.txt dyoungforestRCP8.5_2000_2050NorthernEurasiaMap.txt dyoungforestRCP8.5_2050_2100NorthernEurasiaMap.txt cropsRCP8.5_2050NorthernEurasiaMap.txt cropsRCP8.5_2100NorthernEurasiaMap.txt dcropsRCP8.5_2000_2050NorthernEurasiaMap.txt dcropsRCP8.5_2050_2100NorthernEurasiaMap.txt crop2forestRCP8.5_2000_2050NorthernEurasiaMap.txt crop2forestRCP8.5_2050_2100NorthernEurasiaMap.txt pastureRCP8.5_2050NorthernEurasiaMap.txt pastureRCP8.5_2100NorthernEurasiaMap.txt dpastureRCP8.5_2000_2050NorthernEurasiaMap.txt dpastureRCP8.5_2050_2100NorthernEurasiaMap.txt pasture2forestRCP8.5_2000_2050NorthernEurasiaMap.txt pasture2forestRCP8.5_2050_2100NorthernEurasiaMap.txt timberharvestRCP8.5_2000_2050NorthernEurasiaMap.txt timberharvestRCP8.5_2050_2100NorthernEurasiaMap.txt RCP4.5: youngforestRCP4.5_2050NorthernEurasiaMap.txt youngforestRCP4.5_2100NorthernEurasiaMap.txt dyoungforestRCP4.5_2000_2050NorthernEurasiaMap.txt dyoungforestRCP4.5_2050_2100NorthernEurasiaMap.txt cropsRCP4.5_2050NorthernEurasiaMap.txt cropsRCP4.5_2100NorthernEurasiaMap.txt dcropsRCP4.5_2000_2050NorthernEurasiaMap.txt dcropsRCP4.5_2050_2100NorthernEurasiaMap.txt crop2forestRCP4.5_2000_2050NorthernEurasiaMap.txt crop2forestRCP4.5_2050_2100NorthernEurasiaMap.txt pastureRCP4.5_2050NorthernEurasiaMap.txt pastureRCP4.5_2100NorthernEurasiaMap.txt dpastureRCP4.5_2000_2050NorthernEurasiaMap.txt dpastureRCP4.5_2050_2100NorthernEurasiaMap.txt pasture2forestRCP4.5_2000_2050NorthernEurasiaMap.txt pasture2forestRCP4.5_2050_2100NorthernEurasiaMap.txt timberharvestRCP4.5_2000_2050NorthernEurasiaMap.txt timberharvestRCP4.5_2050_2100NorthernEurasiaMap.txt Data units: Proportion of grid cell covered Data format: ArcMap 10.6 ASCII map ****************************************************************** Figure 8: Changes in the distribution of forest carbon sources and sinks, as represented by cumulative net ecosystem carbon balance (NECB) and changes in nitrogen availability of forests represented by cumulative net nitrogen mineralization during the 21st century Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB ***** Panel a: Distribution of cumulative NECB during the first part of the 21st century (2001-2050) Data sets: RCP8.5: cumnecbforestRCP8.5_2001_2050NorthernEurasiaMap.txt RCP4.5: cumnecbforestRCP4.5_2001_2050NorthernEurasiaMap.txt Data units: g C per square meter Data format: ArcMap 10.6 ASCII map ***** Panel b: Distribution of cumulative NECB during the second part of the 21st century (2051-2100) Data sets: RCP8.5: cumnecbforestRCP8.5_2051_2100NorthernEurasiaMap.txt RCP4.5: cumnecbforestRCP4.5_2051_2100NorthernEurasiaMap.txt Data units: g C per square meter Data format: ArcMap 10.6 ASCII map ***** Panel c: Distribution of cumulative net nitrogen mineralization during the first part of the 21st century (2001-2050) Data sets: RCP8.5: cumnetnminforestRCP8.5_2001_2050NorthernEurasiaMap.txt cumgrosnminforestRCP8.5_2001_2050NorthernEurasiaMap.txt cumnimmobforestRCP8.5_2001_2050NorthernEurasiaMap.txt RCP4.5: cumnetnminforestRCP4.5_2001_2050NorthernEurasiaMap.txt cumgrosnminforestRCP4.5_2001_2050NorthernEurasiaMap.txt cumnimmobforestRCP4.5_2001_2050NorthernEurasiaMap.txt Data units: mg N per square meter Data format: ArcMap 10.6 ASCII map ***** Panel d: Distribution of cumulative net nitrogen mineralization during the second part of the 21st century (2051-2100) Data sets: RCP8.5: cumnetnminforestRCP8.5_2051_2100NorthernEurasiaMap.txt cumgrosnminforestRCP8.5_2051_2100NorthernEurasiaMap.txt cumnh4immobforestRCP8.5_2051_2100NorthernEurasiaMap.txt RCP4.5: cumnetnminforestRCP4.5_2051_2100NorthernEurasiaMap.txt cumgrosnminforestRCP4.5_2051_2100NorthernEurasiaMap.txt cumnh4immobforestRCP4.5_2051_2100NorthernEurasiaMap.txt Data units: mg N per square meter Data format: ArcMap 10.6 ASCII map ****************************************************************** Figure 9: Effect of permafrost degradation of the response a larch forest to timber harvest at a larch site Panel a: Effect on Net ecosystem carbon balance (NECB) Data set: NECBRCP8.5_1500_2100LarchSite.txt Data units: g C per square meter per month or g C per square meter per year Panel b: Effect on vegetation carbon stocks Data set: VEGCRCP8.5_1500_2100LarchSite.txt Data units: g C per square meter Panel c: Effect on soil organic carbon (SOC) stocks Data set: TOTSOLCRCP8.5_1500_2100LarchSite.txt Data units: g C per square meter Panel d: Effect on net primary production (NPP) Data set: NPPRCP8.5_1500_2100LarchSite.txt Data units: g C per square meter per month or g C per square meter per year Panel e: Effect on litterfall carbon (LTRFALC) Data set: LTRFALCRCP8.5_1500_2100LarchSite.txt Data units: g C per square meter per month or g C per square meter per year Panel f: Effect on heterotrophic respiration (RH) Data set: RHRCP8.5_1500_2100LarchSite.txt Data units: g C per square meter per month or g C per square meter per year Panel g: Effect on net nitrogen mineralization (NetNMin) Note: NetNMin is calculated as the difference of GrosNMin and NH4IMMOB: NetNMin = GrosNMin - NH4IMMOB Data sets: GROSNMINRCP8.5_1500_2100LarchSite.txt NH4IMMOBRCP8.5_1500_2100LarchSite.txt Data units: mg N per square meter per month or mg N per square meter per year Panel h: Effect on soil temperatures Data sets: tairRCP8.5_1500_2100LarchSite.txt DST10RCP8.5_1500_2100LarchSite.txt DST10RCP8.5_1500_2100LarchSite.txt Data units: Degrees Celsius ***** Data format: Comma-delimited ASCII text Data structure of "raw" data of all TEM output variables: Column 1: Longitude Column 2: Latitude Column 3: Variable name Column 4: Identity of cohort Column 5: Stand age Column 6: Original natural land cover type of cohort Column 7: Land cover type of cohort during year in Column 4 Column 8: (obsolete) Column 9: Parameter community type Column 10: Land-use type Column 11: Proportion of silt plus clay in soil texture Column 12: Quality control flag Column 13: Total land area in grid cell Column 14: Area covered by cohort Column 15: Year Column 16: Annual sum Column 17: Maximun monthly value during year Column 18: Average monthly value during year Column 19: Minimum monthly value during year Column 20: January monthly value Column 21: February monthly value Column 22: March monthly value Column 23: April monthly value Column 24: May monthly value Column 25: June monthly value Column 26: July monthly value Column 27: August monthly value Column 28: September monthly value Column 29: October monthly value Column 30: November monthly value Column 31: December monthly value Column 32: Region containing grid cell ****************************************************************** Table 1: Effects of N subsidies on regional estimates of forest net nitrogen mineralization and carbon sequestration/loss Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD ***** Total effects: Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100NorthernEurasia.xls NIMMOBRCP8.5_1500_2100NorthernEurasia.xls NPPRCP8.5_1500_2100NorthernEurasia.xls ECRCP8.5_1500_2100NorthernEurasia.xls LTRFALCRCP8.5_1500_2100NorthernEurasia.xls SLASHCRCP8.5_1500_2100NorthernEurasia.xls AGFPRODCRCP8.5_1500_2100NorthernEurasia.xls PRDF10CRCP8.5_1500_2100NorthernEurasia.xls PRDF100CRCP8.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100NorthernEurasia.xls FORAGECRCP8.5_1500_2100NorthernEurasia.xls LTRFALCRCP8.5_1500_2100NorthernEurasia.xls SLASHCRCP8.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100NorthernEurasia.xls MANURECRCP8.5_1500_2100NorthernEurasia.xls RHRCP8.5_1500_2100NorthernEurasia.xls DOCLOADRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100NorthernEurasia.xls NIMMOBRCP4.5_1500_2100NorthernEurasia.xls NPPRCP4.5_1500_2100NorthernEurasia.xls ECRCP4.5_1500_2100NorthernEurasia.xls LTRFALCRCP4.5_1500_2100NorthernEurasia.xls SLASHCRCP4.5_1500_2100NorthernEurasia.xls AGFPRODCRCP4.5_1500_2100NorthernEurasia.xls PRDF10CRCP4.5_1500_2100NorthernEurasia.xls PRDF100CRCP4.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100NorthernEurasia.xls FORAGECRCP4.5_1500_2100NorthernEurasia.xls LTRFALCRCP4.5_1500_2100NorthernEurasia.xls SLASHCRCP4.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100NorthernEurasia.xls MANURECRCP4.5_1500_2100NorthernEurasia.xls RHRCP4.5_1500_2100NorthernEurasia.xls DOCLOADRCP4.5_1500_2100NorthernEurasia.xls Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Multi-tab Excel file (xls) ***** Effects of Permafrost degradation: Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls NIMMOBRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls NPPRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls ECRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls LTRFALCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls SLASHCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls AGFPRODCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls PRDF10CRCP8.5_1500_2100ConstActLayerNorthenEurasia.xls PRDF100CRCP8.5_1500_2100ConstActLayerNorthenEurasia.xls CRPSTUBCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls FORAGECRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls MANURECRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RHRCP8.5_1500_2100ConstActLayerNorthernEurasis.xls DOCLOADRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls NIMMOBRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls NPPRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls ECRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls LTRFALCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls SLASHCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls AGFPRODCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls PRDF10CRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls PRDF100CRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls FORAGECRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls MANURECRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls RHRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls DOCLOADRCP4.5_1500_2100ConstActNorthernEurasia.xls Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Multi-tab Excel file (xls) ***** Effects of abandonment of unfertilized croplands: Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000NoFertGrosNMinRCP8.5_2000_2100.csv abandonedCrops2000NoFertIMMOBRCP8.5_2000_2100.csv abandonedCrops2000NoFertNPPRCP8.5_2000_2100.csv abandonedCrops2000NoFertECRCP8.5_2000_2100.csv abandonedCrops2000NoFertLTRFALCRCP8.5_2000_2100.csv abandonedCrops2000NoFertSLASHCRCP8.5_2000_2100.csv abandonedCrops2000NoFertAGFPRODCRCP8.5_2000_2100.csv abandonedCrops2000NoFertPRDF10CRCP8.5_2000_2100.csv abandonedCrops2000NoFertPRDF100CRCP8.5_2000_2100.csv abandonedCrops2000NoFertCRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000NoFertFORAGECRCP8.5_2000_2100.csv abandonedCrops2000NoFertMANURECRCP8.5_2000_2100.csv abandonedCrops2000NoFertRHRCP8.5_2000_2100.csv abandonedCrops2000NoFertDOCLOADRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000NoFertGrosNMinRCP4.5_2000_2100.csv abandonedCrops2000NoFertIMMOBRCP4.5_2000_2100.csv abandonedCrops2000NoFertNPPRCP4.5_2000_2100.csv abandonedCrops2000NoFertECRCP4.5_2000_2100.csv abandonedCrops2000NoFertLTRFALCRCP4.5_2000_2100.csv abandonedCrops2000NoFertSLASHCRCP4.5_2000_2100.csv abandonedCrops2000NoFertAGFPRODCRCP4.5_2000_2100.csv abandonedCrops2000NoFertPRDF10CRCP4.5_2000_2100.csv abandonedCrops2000NoFertPRDF100CPRCP4.5_2000_2100.csv abandonedCrops2000NoFertCRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000NoFertFORAGECRCP4.5_2000_2100.csv abandonedCrops2000NoFertMANURECRCP4.5_2000_2100.csv abandonedCrops2000NoFertRHRCP4.5_2000_2100.csv abandonedCrops2000NoFertDOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Comma-delimited (csv) ***** Effects of the application of nitrogen fertilizers before year 2001: Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000Fert2000GrosNMinRCP8.5_2000_2100.csv abandonedCrops2000Fert2000IMMOBRCP8.5_2000_2100.csv abandonedCrops2000Fert2000NPPRCP8.5_2000_2100.csv abandonedCrops2000Fert2000ECRCP8.5_2000_2100.csv abandonedCrops2000Fert2000LTRFALCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000SLASHCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000AGFPRODCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000PRDF10CRCP8.5_2000_2100.csv abandonedCrops2000Fert2000PRDF100CRCP8.5_2000_2100.csv abandonedCrops2000Fert2000CRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000FORAGECRCP8.5_2000_2100.csv abandonedCrops2000Fert2000MANURECRCP8.5_2000_2100.csv abandonedCrops2000Fert2000RHRCP8.5_2000_2100.csv abandonedCrops2000Fert2000DOCLOADRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000Fert2000GrosNMinRCP4.5_2000_2100.csv abandonedCrops2000Fert2000IMMOBRCP4.5_2000_2100.csv abandonedCrops2000Fert2000NPPRCP4.5_2000_2100.csv abandonedCrops2000Fert2000ECRCP4.5_2000_2100.csv abandonedCrops2000Fert2000LTRFALCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000SLASHCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000AGFPRODCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000PRDF10CRCP4.5_2000_2100.csv abandonedCrops2000Fert2000PRDF100CRCP4.5_2000_2100.csv abandonedCrops2000Fert2000CRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000FORAGECRCP4.5_2000_2100.csv abandonedCrops2000Fert2000MANURECRCP4.5_2000_2100.csv abandonedCrops2000Fert2000RHRCP4.5_2000_2100.csv abandonedCrops2000Fert2000DOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Comma-delimited (csv) ***** Effects of the application of nitrogen fertilizers after year 2000: Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertGrosNMinRCP8.5_2000_2100.csv abandonedCrops2000AllFertIMMOBRCP8.5_2000_2100.csv abandonedCrops2000AllFertNPPRCP8.5_2000_2100.csv abandonedCrops2000AllFertECRCP8.5_2000_2100.csv abandonedCrops2000AllFertLTRFALCRCP8.5_2000_2100.csv abandonedCrops2000AllFertSLASHCRCP8.5_2000_2100.csv abandonedCrops2000AllFertAGFPRODCRCP8.5_2000_2100.csv abandonedCrops2000AllFertPRDF10CRCP8.5_2000_2100.csv abandonedCrops2000AllFertPRDF100CRCP8.5_2000_2100.csv abandonedCrops2000AllFertCRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000AllFertFORAGECRCP8.5_2000_2100.csv abandonedCrops2000AllFertMANURECRCP8.5_2000_2100.csv abandonedCrops2000AllRHRCP8.5_2000_2100.csv abandonedCrops2000AllFertDOCLOADRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertGrosNMinRCP4.5_2000_2100.csv abandonedCrops2000AllFertIMMOBRCP4.5_2000_2100.csv abandonedCrops2000AllFertNPPRCP4.5_2000_2100.csv abandonedCrops2000AllFertECRCP4.5_2000_2100.csv abandonedCrops2000AllFertLTRFALCRCP4.5_2000_2100.csv abandonedCrops2000AllFertSLASHCRCP4.5_2000_2100.csv abandonedCrops2000AllFertAGFPRODCRCP4.5_2000_2100.csv abandonedCrops2000AllFertPRDF10CRCP4.5_2000_2100.csv abandonedCrops2000AllFertPRDF100CRCP4.5_2000_2100.csv abandonedCrops2000AllFertCRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000AllFertFORAGECRCP4.5_2000_2100.csv abandonedCrops2000AllFertMANURECRCP4.5_2000_2100.csv abandonedCrops2000AllRHRCP4.5_2000_2100.csv abandonedCrops2000AllFertDOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Comma-delimited (csv) ***** Effects of abandonment of pastures: Summarized estimates by land cover type: Data sets: RCP8.5: abandonedPasture2000GrosNMinRCP8.5_2000_2100.csv abandonedPasture2000NIMMONRCP8.5_2000_2100.csv abandonedPasture2000NPPRCP8.5_2000_2100.csv abandonedPasture2000ECRCP8.5_2000_2100.csv abandonedPasture2000LTRFALCRCP8.5_2000_2100.csv abandonedPasture2000SLASHCRCP8.5_2000_2100.csv abandonedPasture2000AGFPRODCRCP8.5_2000_2100.csv abandonedPasture2000PRDF10CRCP8.5_2000_2100.csv abandonedPasture2000PRDF100CRCP8.5_2000_2100.csv abandonedPasture2000CRPSTUBCRCP8.5_2000_2100.csv abandonedPasture2000FORAGECRCP8.5_2000_2100.csv abandonedPasture2000MANURECRCP8.5_2000_2100.csv abandonedPasture2000RHRCP8.5_2000_2100.csv abandonedPasture2000DOCLOADRCP8.5_2000_2100.csv RCP4.5: abandonedPasture2000GrosNMinRCP4.5_2000_2100.csv abandonedPasture2000NIMMONRCP4.5_2000_2100.csv abandonedPasture2000NPPRCP4.5_2000_2100.csv abandonedPasture2000ECRCP4.5_2000_2100.csv abandonedPasture2000LTRFALCRCP4.5_2000_2100.csv abandonedPasture2000SLASHCRCP4.5_2000_2100.csv abandonedPasture2000AGFPRODCRCP4.5_2000_2100.csv abandonedPasture2000PRDF10CRCP4.5_2000_2100.csv abandonedPasture2000PRDF100CRCP4.5_2000_2100.csv abandonedPasture2000CRPSTUBCRCP4.5_2000_2100.csv abandonedPasture2000FORAGECRCP4.5_2000_2100.csv abandonedPasture2000MANURECRCP4.5_2000_2100.csv abandonedPasture2000RHRCP4.5_2000_2100.csv abandonedPasture2000DOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Comma-delimited (csv) ***** Effects of atmospheric nitrogen deposition: Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100ConstNdepNorthernEurasia.xls NIMMOBRCP8.5_1500_2100ConstNdepNorthernEurasia.xls NPPRCP8.5_1500_2100ConstNdepNorthernEurasia.xls ECRCP8.5_1500_2100ConstNdepNorthernEurasia.xls LTRFALCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls SLASHCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls AGFPRODCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls PRDF10CRCP8.5_1500_2100ConstNdepNorthenEurasia.xls PRDF100CRCP8.5_1500_2100ConstNdepNorthenEurasia.xls CRPSTUBCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls FORAGECRCP8.5_1500_2100ConstNdepNorthernEurasia.xls MANURECRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RHRCP8.5_1500_2100ConstNdepNorthernEurasis.xls DOCLOADRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100ConstNdepNorthernEurasia.xls NIMMOBRCP4.5_1500_2100ConstActNdepNorthernEurasia.xls NPPRCP4.5_1500_2100ConstNdepNorthernEurasia.xls ECRCP4.5_1500_2100ConstNdepNorthernEurasia.xls LTRFALCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls SLASHCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls AGFPRODCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls PRDF10CRCP4.5_1500_2100ConstNdepNorthernEurasia.xls PRDF100CRCP4.5_1500_2100ConstNdepNorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls FORAGECRCP4.5_1500_2100ConstNdepNorthernEurasia.xls MANURECRCP4.5_1500_2100ConstNdepNorthernEurasia.xls RHRCP4.5_1500_2100ConstNdepNorthernEurasia.xls DOCLOADRCP4.5_1500_2100ConstNdepNorthernEurasia.xls Data units: Tg C per year for dVegCnew and dTotSOCnew Gg N per year for NetNMin Data format: Multi-tab Excel file (xls) ****************************************************************** Supplementary Figure 1: Maps showing the distribution of simulated permafrost degradation under the RCP8.5 and RCP4.5 global change scenarios. Panel a: Current distribution of permafrost Data set: dst200_2000NorthernEurasiaMap.txt ***** Panel b: Distribution of permafrost during the year 2050 Data sets: RCP8.5: dst200RCP8.5_2050NorthernEurasiaMap.txt RCP4.5: dst200RCP4.5_2050NorthernEurasiaMap.txt ***** Panel c: Distribution of permafrost during the year 2100 Data sets: RCP8.5: dst200RCP8.5_2100NorthernEurasiaMap.txt RCP4.5: dst200RCP4.5_2100NorthernEurasiaMap.txt ***** Data units: Degrees Celsius Data format: ArcMap 10.6 ASCII map ****************************************************************** Supplementary Figure 2: ASCII maps showing simulated changes in the distribution of land cover under the RCP8.5 and RCP4.5 global change scenarios. Panel a: Distribution of current (Year 2000) land covers Data sets: crops2000NorthernEurasiaMap.txt pasture2000NorthernEurasiaMap.txt oldforest2000NorthernEurasiMap.txt youngforest2000NorthernEurasiaMap.txt grassland2000NorthernEurasiaMap.txt shrubland2000NorthernEurasiaMap.txt tundra2000NorthenEurasiaMap.txt wetland2000NorthernEurasiaMap.txt desert2000NorthernEurasiaMap.txt Data units: Proportion of land area in grid cell Data format: ArcMap 10.6 ASCII map ***** Panel b: Net changes in the distribution of land cover from 2000 to 2100 under the RCP8.5 global change scenario. Data sets: cropsRCP8.5_2100NorthernEurasiaMap.txt dcropsRCP8.52000_2100NorthernEurasiaMap.txt pastureRCP8.5_2100NorthernEurasiaMap.txt dpastureRCP8.5_2000_2100NorthernEurasiaMap.txt oldforestRCP8.5_2100NorthernEurasiaMap.txt doldforestRCP8.5_2000_2100NorthernEurasiaMap.txt youngforestRCP8.5_2100NorthernEurasiaMap.txt dyoungforestRCP8.5_2000_2100NorthernEurasiaMap.txt grasslandRCP8.5_2100NorthernEurasiaMap.txt dgrasslandRCP8.5_2000_2100NorthernEurasiaMap.txt shrublandRCP8.5_2100NorthernEurasiaMap.txt dshrublandRCP8.5_2000_2100NorthernEurasiaMap.txt tundraRCP8.5_2100NorthernEurasiaMap.txt dtundraRCP8.5_2000_2100NorthernEurasiaMap.txt wetlandRCP8.5_2100NorthernEurasiaMap.txt dwetlandRCP8.5_2000_2100NorthernEurasiaMap.txt desertRCP8.5_2100NorthernEurasiaMap.txt ddesertRCP8.5_2000_2100NorthernEurasiaMap.txt Data units: Proportion of land area in grid cell Data format: ArcMap 10.6 ASCII map ***** Panel c: Net changes in the distribution of land cover from 2000 to 2100 under the RCP4.5 global change scenarios. Data sets: cropsRCP4.5_2100NorthernEurasiaMap.txt dcropsRCP4.52000_2100NorthernEurasiaMap.txt pastureRCP4.5_2100NorthernEurasiaMap.txt dpastureRCP4.5_2000_2100NorthernEurasiaMap.txt oldforestRCP4.5_2100NorthernEurasiaMap.txt doldforestRCP4.5_2000_2100NorthernEurasiaMap.txt youngforestRCP4.5_2100NorthernEurasiaMap.txt dyoungforestRCP4.5_2000_2100NorthernEurasiaMap.txt grasslandRCP4.5_2100NorthernEurasiaMap.txt dgrasslandRCP4.5_2000_2100NorthernEurasiaMap.txt shrublandRCP4.5_2100NorthernEurasiaMap.txt dshrublandRCP4.5_2000_2100NorthernEurasiaMap.txt tundraRCP4.5_2100NorthernEurasiaMap.txt dtundraRCP4.5_2000_2100NorthernEurasiaMap.txt wetlandRCP4.5_2100NorthernEurasiaMap.txt dwetlandRCP4.5_2000_2100NorthernEurasiaMap.txt desertRCP4.5_2100NorthernEurasiaMap.txt ddesertRCP4.5_2000_2100NorthernEurasiaMap.txt Data units: Proportion of land area in grid cell Data format: ArcMap 10.6 ASCII map ****************************************************************** Supplementary Figure 3: Projected changes in regional soil temperature at 10 cm depth (DST10). Panel a: Changes in regional mean soil temperature at 10 cm Summarized estimates: Data set: DST10RCPs2000_2100NorthernEurasia.csv Data units: Degrees Celsius Data format: Comma-delimited (csv) ***** Panel b: Spatial distribution of changes in soil temperature at 10 cm during the 21st century Data sets: RCP8.5: dst10RCP8.5_2001_2005NorthernEurasiaMap.txt dst10RCP8.5_2048_2052NorthernEurasiaMap.txt dst10RCP8.5_2096_2100NorthernEurasiaMap.txt ddst10RCP8.5_2001_2050NorthernEurasiaMap.txt ddst10RCP8.5_2051_2100NorthernEurasiaMap.txt ddst10RCP8.5_2001_2100NorthernEurasiaMap.txt RCP4.5: dst10RCP4.5_2001_2005NorthernEurasiaMap.txt dst10RCP4.5_2048_2052NorthernEurasiaMap.txt dst10RCP4.5_2096_210NorthernEurasiaMap.txt ddst10RCP4.5_2001_2050NorthernEurasiaMap.txt ddst10RCP4.5_2051_2100NorthernEurasiaMap.txt ddst10RCP4.5_2001_2100NorthernEurasiaMap.txt Data units: Degrees Celsius Data format: ArcMap 10.6 ASCII map ****************************************************************** Supplementary Figure 4: Influence of stand age and permafrost degradation on the forest responses of nitrogen availability and carbon sequestration to the RCP8.5 and RCP4.5 global change scenarios Panel a: Regional estimates of cumulative net nitrogen mineralization in forests of Northern Eurasia Net nitrogen mineralization is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates: Data set: PermDegradCumNETNMINNorthernEurasia.xlsx Data units: Tg N Data format: Multi-tab Excel file (xlsx) ***** Panel b: Regional estimates of net carbon sequestered in forest vegetation of Northern Eurasia Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Thus, VegCnew is the amount of standing stock of carbon in vegetation as a result of carbon sequestration (i.e., sum of dVegCnew) Note that AGFPRODC, CRPSTUBC, and FORAGEC are zero in forests. Summarized estimates: Data set: PermDegradVEGCnewNorthernEurasia.xlsx Data units: Pg C Data format: Multi-tab Excel file (xlsx) ***** Panel c: Regional estimates of net carbon sequestered/lost in forest soil organic matter of Northern Eurasia Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Thus, TotSOCnew is the amount of standing stock of carbon in soil organic matter as a result of m carbon sequestration (i.e., sum of dTotSOCnew) Note: that CRPSTUBC, and MANUREC are equal to zero in forests. Summarized estimates: Data set: PermDegradTOTSOCnewNorthernEurasia.xlsx Data units: Pg C Data format: Multi-tab Excel file (xlsx) ***** Panel d: Regional Net carbon sequestered in forest ecosystems of Northern Eurasia Summarized estimates: Data set: PermDegradCumNECBNorthernEurasia.xlsx Data units: Pg C Data format: Excel file (xlsx) ****************************************************************** Supplementary Figure 5: ASCII maps describing the spatial distribution of cumulative nitrogen inputs across all ecosystems in Northern Eurasia under the RCP8.5 and RCP4.5 global change scenarios. Panel a: Cumulative net nitrogen mineralization Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Data sets: RCP8.5: cumnetnminRCP8.5_2001_2100NorthernEurasiaMap.txt cumgrosnminRCP8.5_2001_2100NorthernEurasiaMap.txt cumnimmobRCP8.5_2001_2100NorthernEurasiaMap.txt RCP4.5: cumnetnminRCP4.5_2001_2100NorthernEurasiaMap.txt cumgrosnminRCP4.5_2001_2100NorthernEurasiaMap.txt cumnimmobRCP4.5_2001_2100NorthernEurasiaMap.txt Data units: mg N per square meter Data format: ArcMap 10.6 ASCII map ***** Panel b: Cumulative biological nitrogen fixcation (biolNfix) Biological nitrogen fixation (BiolNfix) is calculated as the sum of asymbiotic nitrogen fixation (AsymNfix) and symbiotic nitrogen fixation (SymNfix): BiolNfix = AsymNfix + SymNfix Data sets: RCP8.5: cumbiolnfixRCP8.5_2001_2100NorthernEurasiaMap.txt cumsymnfixRCP8.5_2001_2100NorthernEurasiaMap.txt cumasymnfixRCP8.5_2001_2100NorthernEurasiaMap.txt RCP4.5: cumbiolnfixRCP4.5_2001_2100NorthernEurasiaMap.txt cumsymnfixRCP4.5_2001_2100NorthernEurasiaMap.txt cumasymnfixRCP4.5_2001_2100NorthernEurasiaMap.txt Data units: mg N per square meter Data format: ArcMap 10.6 ASCII map ***** Panel c: Cumulative atmospheric nitrogen deposition (TOTNDEP) Data sets: RCP8.5: cumtotndepRCP8.5_2001_2100NorthernEurasiaMap.txt RCP4.5: cumtotndepRCP4.5_2001_2100NorthernEurasiaMap.txt Data units: mg N per square meter Data format: ArcMap 10.6 ASCII map Panel d: Cumulative nitrogen fertilizer applications (AGFERTN) Data sets: RCP8.5: cumagfertnRCP8.5_2001_2100NorthernEurasiaMap.txt RCP4.5: cumagfertnRCP4.5_2001_2100NorthernEurasiaMap.txt Data units: mg N per square meter Data format: ArcMap 10.6 ASCII map ****************************************************************** Supplementary Figure 6: Changes in carbon sequestration/loss in forests across Northern Eurasia and the partitioning of this carbon storage/loss between vegetation and soils. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Panel a: Net carbon sequestration during the entire 21st century Data sets: RCP8.5: cumnecbRCP8.5_2001_2100NorthernEurasiaMap.txt dvegcRCP8.5_2001_2100NorthernEurasiaMap.txt dtotsolcRCP8.5_2001_2100NorthernEurasiaMap.txt RCP4.5: cumnecbRCP3.5_2001_2100NorthernEurasiaMap.txt dvegcRCP4.5_2001_2100NorthernEurasiaMap.txt dtotsolcRCP4.5_2001_2100NorthernEurasiaMap.txt Data units: g C per square meter Data format: ArcMap 10.6 ASCII map ***** Panel b: Net carbon sequestration during the first part (2001-2050) of the 21st century Data sets: RCP8.5: cumnecbRCP8.5_2001_2050NorthernEurasiaMap.txt dvegcRCP8.5_2001_2050NorthernEurasiaMap.txt dtotsolcRCP8.5_2001_2050NorthernEurasiaMap.txt RCP4.5: cumnecbRCP3.5_2001_2050NorthernEurasiaMap.txt dvegcRCP4.5_2001_2050NorthernEurasiaMap.txt dtotsolcRCP4.5_2001_2050NorthernEurasiaMap.txt Data units: g C per square meter Data format: ArcMap 10.6 ASCII map ***** Panel c: Net carbon sequestration during the second part (2051-2100) of the 21st century Data sets: RCP8.5: cumnecbRCP8.5_2051_2100NorthernEurasiaMap.txt dvegcRCP8.5_2051_2100NorthernEurasiaMap.txt dtotsolcRCP8.5_2051_2100NorthernEurasiaMap.txt RCP4.5: cumnecbRCP3.5_2051_2100NorthernEurasiaMap.txt dvegcRCP4.5_2051_2100NorthernEurasiaMap.txt dtotsolcRCP4.5_2051_2100NorthernEurasiaMap.txt Data units: g C per square meter Data format: ArcMap 10.6 ASCII map ****************************************************************** Supplementary Figure 7: Projected changes in stand age distribution of all forests in Northern Eurasia Panel a: Stand age distribution during 2000 Summarized estimates by IGSM LC type: Data set: forestStandAge2000NorthernEurasia.csv Data units: million hectares Data format: Comma-delimited (csv) ***** Panel b: Stand age distribution during 2050 Summarized estimates by IGSM LC type: Data sets: RCP8.5: forestStandAgeRCP8.5_2050NorthernEurasia.csv RCP4.5: forestStandAgeRCP4.5_2050NorthernEurasia.csv Data units: million hectares Data format: Comma-delimited (csv) ***** Panel c: Stand age distribution during 2100 Summarized estimates by IGSM LC type: Data sets: RCP8.5: forestStandAgeRCP8.5_2100NorthernEurasia.csv RCP4.5: forestStandAgeRCP4.5_2100NorthernEurasia.csv Data units: million hectares Data format: Comma-delimited (csv) ****************************************************************** Supplementary Figure 8: Projected changes in stand age distribution of forests underlain by permafrost in Northern Eurasia Panel a: Stand age distribution during 2000 Summarized estimates by IGSM LC type: Data set: forestStandAge2000Permafrost.csv Data units: million hectares Data format: Comma-delimited (csv) ***** Panel b: Stand age distribution during 2050 Summarized estimates by IGSM LC type: Data sets: RCP8.5: forestStandAgeRCP8.5_2050Permafrost.csv RCP4.5: forestStandAgeRCP4.5_2050Permafrost.csv Data units: million hectares Data format: Comma-delimited (csv) ***** Panel c: Stand age distribution during 2100 Summarized estimates by IGSM LC type: Data sets: RCP8.5: forestStandAgeRCP8.5_2100Permafrost.csv RCP4.5: forestStandAgeRCP4.5_2100Permafrost.csv Data units: million hectares Data format: Comma-delimited (csv) ****************************************************************** Supplementary Figure 9: Diagram of the structure of the Terrestrial Ecosystem Model - no source data for this figure ****************************************************************** Supplementary Table 1: Comparison of TEM estimates for carbon stored in vegetation and soils to other studies. Table 1a: TEM estimates of carbon stored in vegetation and soil organic matter (includes carbon in reactive soil organic matter, non-reactive soil organic matter, and dissolved organic matter): Summarized estimates by IGSM LC type: Data sets: VEGCRCP8.5_1500_2100NorthernEurasia.xls TOTSOLCRCP8.5_1500_2100NorthernEurasia.xls Data units: Tg C Data format: Multi-tabbed Excel file (xls) Table 1b: Table of vegetation carbon and soil organic carbon estimates as reported by FAO (2015). Reference: FAO. Global Forest Resources Assessment 2015: desk reference. Food and Agriculture Organization of the United Nations, Rome, Italy, https://www.fao.org/3/a-i4808e.pdf (2015). ****************************************************************** Supplementary Table 2: Comparison of TEM estimate for carbon sequestration to other studies. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by IGSM LC type: Data set: NECBRCP8.5_1500_2100NorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 3: Area changes in land cover for Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Summarized data by land cover type: Data sets: RCP8.5: lulcRCP8.5_2000_2100NorthernEurasia.csv RCP4.5: lulcRCP4.5_2000_2100NorthernEurasia.csv Data units: million square kilometers Data format: Comma-delimited (csv) ****************************************************************** Supplementary Table 4: Area changes in land cover underlain by permafrost as permafrost degrades based on the RCP8.5 and RCP4.5 global change scenarios. Summarized estimates by IGSM LC type: Data sets: RCP8.5: AREARCP8.5PERM2000.xlxs AREARCP8.5PERM2050.xlxs AREARCP8.5PERM2100.xlxs RCP4.5: AREARCP4.5PERM2000.xlxs AREARCP4.5PERM2050.xlxs AREARCP4.5PERM2100.xlxs Data units: square kilometers Data format: Multi-tabbed Excel file (xlxs) ****************************************************************** Supplementary Table 5: Net carbon sequestration/loss from all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by IGSM LC type: Data sets: RCP8.5: NECBRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: NECBRCP4.5_1500_2100NorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 6: Net carbon sequestration/loss in vegetation from all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by IGSM LC type: Data sets: RCP8.5: NPPRCP8.5_1500_2100NorthernEurasia.xls ECRCP8.5_1500_2100NorthernEurasia.xls LTRFALCRCP8.5_1500_2100NorthernEurasia.xls SLASHCRCP8.5_1500_2100NorthernEurasia.xls AGFPRODCRCP8.5_1500_2100NorthernEurasia.xls PRDF10CRCP8.5_1500_2100NorthernEurasia.xls PRDF100CRCP8.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100NorthernEurasia.xls FORAGECRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: NPPRCP4.5_1500_2100NorthernEurasia.xls ECRCP4.5_1500_2100NorthernEurasia.xls LTRFALCRCP4.5_1500_2100NorthernEurasia.xls SLASHCRCP4.5_1500_2100NorthernEurasia.xls AGFPRODCRCP4.5_1500_2100NorthernEurasia.xls PRDF10CRCP4.5_1500_2100NorthernEurasia.xls PRDF100CRCP4.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100NorthernEurasia.xls FORAGECRCP4.5_1500_2100NorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabl Excel file (xls) ****************************************************************** Supplementary Table 7: Net carbon sequestration/loss in soil organic matter from all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by IGSM LC type: Data sets: RCP8.5: LTRFALCRCP8.5_1500_2100NorthernEurasia.xls SLASHCRCP8.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100NorthernEurasia.xls MANURECRCP8.5_1500_2100NorthernEurasia.xls RHRCP8.5_1500_2100NorthernEurasia.xls DOCLOADRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: LTRFALCRCP4.5_1500_2100NorthernEurasia.xls SLASHCRCP4.5_1500_2100NorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100NorthernEurasia.xls MANURECRCP4.5_1500_2100NorthernEurasia.xls RHRCP4.5_1500_2100NorthernEurasia.xls DOCLOADRCP4.5_1500_2100NorthernEurasia.xls Data units: Tg C per year Data format: Multi-tab Excel file (xls) ****************************************************************** Supplementary Table 8: Nitrogen availability of all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Total nitrogen availability (Navail) is calculated as the sum of NetNMin, BiolNfix, total nitrogen deposition (TotNdep), and agricultural application of nitrogen fertilizers (AgNfert): Navail = NetNMin + BiolNfix + TotNdep + AgNfert ** Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB ** Biological nitrogen fixation (BiolNfix) is calculated as the sum of asymbiotic nitrogen fixation (AsymNfix) and symbiotic nitrogen fixation (SymNfix): BiolNfix = AsymNfix + SymNfix ** Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100NorthernEurasia.xls NIMMOBRCP8.5_1500_2100NorthernEurasia.xls ASYMNFIXRCP8.5_1500_2100NorthernEurasia.xls SYMNFIXRCP8.5_1500_2100NorthernEurasia.xls TOTNDEPRCP8.5_1500_2100NorthernEurasia.xls AGFERTNRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100NorthernEurasia.xls NIMMOBRCP4.5_1500_2100NorthernEurasia.xls ASYMNFIXRCP4.5_1500_2100NorthernEurasia.xls SYMNFIXRCP4.5_1500_2100NorthernEurasia.xls TOTNDEPRCP4.5_1500_2100NorthernEurasia.xls AGFERTNRCP4.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ****************************************************************** Supplementary Table 9: Nitrogen availability from cumulative net nitrogen mineralization in all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100NorthernEurasia.xls NIMMOBRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100NorthernEurasia.xls NIMMOBRCP4.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ***************************************************************** Supplementary Table 10: Nitrogen availability from cumulative biological nitrogen fixation in all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Biological nitrogen fixation (BiolNfix) is calculated as the sum of asymbiotic nitrogen fixation (AsymNfix) and symbiotic nitrogen fixation (SymNfix): BiolNfix = AsymNfix + SymNfix Summarized estimates by IGSM LC type: Data sets: RCP8.5: ASYMNFIXRCP8.5_1500_2100NorthernEurasia.xls SYMNFIXRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: ASYMNFIXRCP4.5_1500_2100NorthernEurasia.xls SYMNFIXRCP4.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ***************************************************************** Supplementary Table 11: Nitrogen availability from cumulative total nitrogen deposition in all land cover types in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Summarized estimates by IGSM LC type: Data sets: RCP8.5: TOTNDEPRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: TOTNDEPRCP4.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ***************************************************************** Supplementary Table 12: Nitrogen availability from cumulative agricultural nitrogen fertilizer application to croplands in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Summarized estimates by IGSM LC type Data sets: RCP8.5: AGFERTNRCP8.5_1500_2100NorthernEurasia.xls RCP4.5: AGFERTNRCP4.5_1500_2100NorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ***************************************************************** Supplementary Table 13: Nitrogen availability from cumulative net nitrogen mineralization in all land cover types in Northern Eurasia when no permafrost degradation is assumed to occur under the RCP8.5 and RCP4.5 global change scenarios. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls NIMMOBRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls NIMMOBRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ***************************************************************** Supplementary Table 14: Effect of the abandonment of fertilized croplands (1950-2100) on cumulative net nitrogen mineralization in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 and RCP4.5 global change scenarios. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertGrosNMinRCP8.5_2000_2100.csv abandonedCrops2000AllFertIMMOBRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertGrosNMinRCP4.5_2000_2100.csv abandonedCrops2000AllFertIMMOBRCP4.5_2000_2100.csv Data units: Gg N per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 15: Effect of fertilizer applications on the reponse of cumulative net nitrogen mineralization in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 global change scenario. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertGrosNMinRCP8.5_2000_2100.csv abandonedCrops2000NoFertIMMOBRCP8.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000GrosNMinRCP8.5_2000_2100.csv abandonedCrops2000Fert2000IMMOBRCP8.5_2000_2100.csv Data units: Gg N per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 16: Effect of fertilizer applications on the reponse of cumulative net nitrogen mineralization in all land cover types in in areas covered by croplands during 2000 to cropland abandonment under the RCP4.5 global change scenario. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates vy land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertGrosNMinRCP4.5_2000_2100.csv abandonedCrops2000NoFertIMMOBRCP4.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000GrosNMinRCP4.5_2000_2100.csv abandonedCrops2000Fert2000IMMOBRCP4.5_2000_2100.csv Data units: Gg N per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 17: Effect of pasture abandonment on cumulative net nitrogen mineralization in all land cover types in areas covered by pastures during 2000 under the RCP8.5 and RCP4.5 global change scenarios. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by land cover type: Data sets: RCP8.5: abandonedPasture2000GrosNMinRCP8.5_2000_2100.csv abandonedPasture2000NIMMONRCP8.5_2000_2100.csv RCP4.5: abandonedPasture2000GrosNMinRCP4.5_2000_2100.csv abandonedPasture2000NIMMONRCP4.5_2000_2100.csv Data units: Gg N per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 18: Effect of atmospheric nitrogen deposition on cumulative net nitrogen mineralization in all land cover types in Northern Eurasia assuming atmospheric deposition rates remain constant at the 1850 levels. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100ConstNdepNorthernEurasia.xls NIMMOBRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RCP4.5: GROSNMINRCP4.5_1500_2100ConstNdepNorthernEurasia.xls NIMMOBRCP4.5_1500_2100ConstActNdepNorthernEurasia.xls Data units: Gg N per year Data format: Multi-tab Excel file (xls) ***************************************************************** Supplementary Table 19: Net carbon sequestration/loss in vegetation from all land cover types in Northern Eurasia when no permafrost degradation is assumed to occur under the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by IGSM LC type: Data sets: RCP8.5: NPPRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls ECRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls LTRFALCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls SLASHCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls AGFPRODCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls PRDF10CRCP8.5_1500_2100ConstActLayerNorthenEurasia.xls PRDF100CRCP8.5_1500_2100ConstActLayerNorthenEurasia.xls CRPSTUBCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls FORAGECRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RCP4.5: NPPRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls ECRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls LTRFALCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls SLASHCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls AGFPRODCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls PRDF10CRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls PRDF100CRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls FORAGECRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls Data units: Tg C per year Data format: Multi-tab Excel file (xls) ****************************************************************** Supplementary Table 20: Effect of the abandonment of fertilized croplands (1950-2100) on net carbon sequestration/loss in vegetation from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertNPPRCP8.5_2000_2100.csv abandonedCrops2000AllFertECRCP8.5_2000_2100.csv abandonedCrops2000AllFertLTRFALCRCP8.5_2000_2100.csv abandonedCrops2000AllFertSLASHCRCP8.5_2000_2100.csv abandonedCrops2000AllFertAGFPRODCRCP8.5_2000_2100.csv abandonedCrops2000AllFertPRDF10CRCP8.5_2000_2100.csv abandonedCrops2000AllFertPRDF100CRCP8.5_2000_2100.csv abandonedCrops2000AllFertCRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000AllFertFORAGECRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertNPPRCP4.5_2000_2100.csv abandonedCrops2000AllFertECRCP4.5_2000_2100.csv abandonedCrops2000AllFertLTRFALCRCP4.5_2000_2100.csv abandonedCrops2000AllFertSLASHCRCP4.5_2000_2100.csv abandonedCrops2000AllFertAGFPRODCRCP4.5_2000_2100.csv abandonedCrops2000AllFertPRDF10CRCP4.5_2000_2100.csv abandonedCrops2000AllFertPRDF100CRCP4.5_2000_2100.csv abandonedCrops2000AllFertCRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000AllFertFORAGECRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 21: Effect of the abandonment of fertilized croplands (1950-2100) on net carbon sequestration/loss in vegetation from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 global change scenario. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertNPPRCP8.5_2000_2100.csv abandonedCrops2000NoFertECRCP8.5_2000_2100.csv abandonedCrops2000NoFertLTRFALCRCP8.5_2000_2100.csv abandonedCrops2000NoFertSLASHCRCP8.5_2000_2100.csv abandonedCrops2000NoFertAGFPRODCRCP8.5_2000_2100.csv abandonedCrops2000NoFertPRDF10CRCP8.5_2000_2100.csv abandonedCrops2000NoFertPRDF100CRCP8.5_2000_2100.csv abandonedCrops2000NoFertCRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000NoFertFORAGECRCP8.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000NPPRCP8.5_2000_2100.csv abandonedCrops2000Fert2000ECRCP8.5_2000_2100.csv abandonedCrops2000Fert2000LTRFALCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000SLASHCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000AGFPRODCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000PRDF10CRCP8.5_2000_2100.csv abandonedCrops2000Fert2000PRDF100CRCP8.5_2000_2100.csv abandonedCrops2000Fert2000CRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000FORAGECRCP8.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 22: Effect of the abandonment of fertilized croplands (1950-2100) on net carbon sequestration/loss in vegetation from all land cover types in in areas covered by croplands during 2000 to cropland abandonment under the RCP4.5 global change scenario. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertNPPRCP4.5_2000_2100.csv abandonedCrops2000NoFertECRCP4.5_2000_2100.csv abandonedCrops2000NoFertLTRFALCRCP4.5_2000_2100.csv abandonedCrops2000NoFertSLASHCRCP4.5_2000_2100.csv abandonedCrops2000NoFertAGFPRODCRCP4.5_2000_2100.csv abandonedCrops2000NoFertPRDF10CRCP4.5_2000_2100.csv abandonedCrops2000NoFertPRDF100CPRCP4.5_2000_2100.csv abandonedCrops2000NoFertCRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000NoFertFORAGECRCP4.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000NPPRCP4.5_2000_2100.csv abandonedCrops2000Fert2000ECRCP4.5_2000_2100.csv abandonedCrops2000Fert2000LTRFALCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000SLASHCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000AGFPRODCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000PRDF10CRCP4.5_2000_2100.csv abandonedCrops2000Fert2000PRDF100CRCP4.5_2000_2100.csv abandonedCrops2000Fert2000CRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000FORAGECRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 23: Effect of pasture abandonment on net carbon sequestration/loss in vegetation from all land cover types in areas covered by pastures during 2000 under the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by land cover type: Data sets: RCP8.5: abandonedPasture2000NPPRCP8.5_2000_2100.csv abandonedPasture2000ECRCP8.5_2000_2100.csv abandonedPasture2000LTRFALCRCP8.5_2000_2100.csv abandonedPasture2000SLASHCRCP8.5_2000_2100.csv abandonedPasture2000AGFPRODCRCP8.5_2000_2100.csv abandonedPasture2000PRDF10CRCP8.5_2000_2100.csv abandonedPasture2000PRDF100CRCP8.5_2000_2100.csv abandonedPasture2000CRPSTUBCRCP8.5_2000_2100.csv abandonedPasture2000FORAGECRCP8.5_2000_2100.csv RCP4.5: abandonedPasture2000NPPRCP4.5_2000_2100.csv abandonedPasture2000ECRCP4.5_2000_2100.csv abandonedPasture2000LTRFALCRCP4.5_2000_2100.csv abandonedPasture2000SLASHCRCP4.5_2000_2100.csv abandonedPasture2000AGFPRODCRCP4.5_2000_2100.csv abandonedPasture2000PRDF10CRCP4.5_2000_2100.csv abandonedPasture2000PRDF100CRCP4.5_2000_2100.csv abandonedPasture2000CRPSTUBCRCP4.5_2000_2100.csv abandonedPasture2000FORAGECRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ****************************************************************** Supplementary Table 24: Effect of atmospheric nitrogen deposition on net carbon sequestration/loss in vegetation from all land cover types in Northern Eurasia assuming atmospheric deposition rates remain constant at the 1850 levels. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by IGSM LC type: Data sets: RCP8.5: NPPRCP8.5_1500_2100ConstNdepNorthernEurasia.xls ECRCP8.5_1500_2100ConstNdepNorthernEurasia.xls LTRFALCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls SLASHCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls AGFPRODCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls PRDF10CRCP8.5_1500_2100ConstNdepNorthenEurasia.xls PRDF100CRCP8.5_1500_2100ConstNdepNorthenEurasia.xls CRPSTUBCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls FORAGECRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RCP4.5: NPPRCP4.5_1500_2100ConstNdepNorthernEurasia.xls ECRCP4.5_1500_2100ConstNdepNorthernEurasia.xls LTRFALCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls SLASHCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls AGFPRODCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls PRDF10CRCP4.5_1500_2100ConstNdepNorthernEurasia.xls PRDF100CRCP4.5_1500_2100ConstNdepNorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls FORAGECRCP4.5_1500_2100ConstNdepNorthernEurasia.xls Data units: Tg C per year Data format: Multi-tab Excel file (xls) ****************************************************************** Supplementary Table 25: Land cover fate of cohorts that were covered by croplands during the year 2000 under the RCP8.5 and RCP4.5 global change scenarios. Summarized data by land cover type: Data sets: RCP8.5: abandonedCrops2000areaRCP8.5_1500_2100NorthernEurasia.csv RCP4.5: abandonedCrops2000areaRCP4.5_1500_2100NorthernEurasia.csv Data units: square kilometers Data format: Comma-delimited (csv) ****************************************************************** Supplementary Table 26: Land cover fate of cohorts that were covered by pastures during the year 2000 under the RCP8.5 and RCP4.5 global change scenarios. Summarized data for by land cover type: Data sets: RCP8.5: abandonedPasture2000areaRCP8.5_1500_2100NorthernEurasia.csv RCP4.5: abandonedPasture2000areaRCP4.5_1500_2100NorthernEurasia.csv Data units: square kilometers Data format: Comma-delimited (csv) ****************************************************************** Supplementary Table 27: Net carbon sequestration/loss in soil organic matter for all land cover types in Northern Eurasia when no permafrost degradation is assumed to occur under the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates vy IGSM LC type: Data sets: RCP8.5: LTRFALCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls SLASHCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls MANURECRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RHRCP8.5_1500_2100ConstActLayerNorthernEurasis.xls DOCLOADRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RCP4.5: LTRFALCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls SLASHCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls MANURECRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls RHRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls DOCLOADRCP4.5_1500_2100ConstActNorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 28: Effect of the abandonment of fertilized croplands (1950-2100) on net carbon sequestration/loss in soil organic matter from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertLTRFALCRCP8.5_2000_2100.csv abandonedCrops2000AllFertSLASHCRCP8.5_2000_2100.csv abandonedCrops2000AllFertCRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000AllFertMANURECRCP8.5_2000_2100.csv abandonedCrops2000AllRHRCP8.5_2000_2100.csv abandonedCrops2000AllFertDOCLOADRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertLTRFALCRCP845_2000_2100.csv abandonedCrops2000AllFertSLASHCRCP4.5_2000_2100.csv abandonedCrops2000AllFertCRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000AllFertMANURECRCP4.5_2000_2100.csv abandonedCrops2000AllRHRCP4.5_2000_2100.csv abandonedCrops2000AllFertDOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 29: Effect of fertilizer applications on the reponse of net carbon sequestration/loss in soil organic matter from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 global change scenario. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertLTRFALCRCP8.5_2000_2100.csv abandonedCrops2000NoFertSLASHCCRCP8.5_2000_2100.csv abandonedCrops2000NoFertCRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000NoFertMANURECRCP8.5_2000_2100.csv abandonedCrops2000NoFertRHRCP8.5_2000_2100.csv abandonedCrops2000NoFertDOCLOADRCP8.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000LTRFALCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000SLASHCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000CRPSTUBCRCP8.5_2000_2100.csv abandonedCrops2000Fert2000MANURECRCP8.5_2000_2100.csv abandonedCrops2000Fert2000RHRCP8.5_2000_2100.csv abandonedCrops2000Fert2000DOCLOADRCP8.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 30: Effect of fertilizer applications on the reponse of net carbon sequestration/loss in soil organic matter from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP4.5 global change scenario. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertLTRFALCRCP4.5_2000_2100.csv abandonedCrops2000NoFertSLASHCRCP4.5_2000_2100.csv abandonedCrops2000NoFertCRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000NoFertMANURECRCP4.5_2000_2100.csv abandonedCrops2000NoFertRHRCP4.5_2000_2100.csv abandonedCrops2000NoFertDOCLOADRCP4.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000LTRFALCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000SLASHCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000CRPSTUBCRCP4.5_2000_2100.csv abandonedCrops2000Fert2000MANURECRCP4.5_2000_2100.csv abandonedCrops2000Fert2000RHRCP4.5_2000_2100.csv abandonedCrops2000Fert2000DOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 31: Effect of pasture abandonment on net carbon sequestration/loss in soil organic matter for all land cover types in in areas covered by pastures during 2000 under the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by land cover type: Data sets: RCP8.5: abandonedPasture2000LTRFALCRCP8.5_2000_2100.csv abandonedPasture2000SLSHCRCP8.5_2000_2100.csv abandonedPasture2000CRPSTUBCRCP8.5_2000_2100.csv abandonedPasture2000MANURECRCP8.5_2000_2100.csv abandonedPasture2000RHRCP8.5_2000_2100.csv abandonedPasture2000DOCLOADRCP8.5_2000_2100.csv RCP4.5: abandonedPasture2000LTRFALCRCP4.5_2000_2100.csv abandonedPasture2000SLSHCRCP4.5_2000_2100.csv abandonedPasture2000CRPSTUBCRCP4.5_2000_2100.csv abandonedPasture2000MANURECRCP4.5_2000_2100.csv abandonedPasture2000RHRCP4.5_2000_2100.csv abandonedPasture2000DOCLOADRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) **************************************************************** Supplementary Table 32: Effect of atmospheric nitrogen deposition on net carbon sequestration/loss in soil organic matter for all land cover types in Northern Eurasia assuming atmospheric deposition rates remain constant at the 1850 levels. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by IGSM LC type Data sets: RCP8.5: LTRFALCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls SLASHCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls CRPSTUBCRCP8.5_1500_2100ConstNdepNorthernEurasia.xls MANURECRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RHRCP8.5_1500_2100ConstNdepNorthernEurasis.xls DOCLOADRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RCP4.5: LTRFALCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls SLASHCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls CRPSTUBCRCP4.5_1500_2100ConstNdepNorthernEurasia.xls MANURECRCP4.5_1500_2100ConstNdepNorthernEurasia.xls RHRCP4.5_1500_2100ConstNdepNorthernEurasia.xls DOCLOADRCP4.5_1500_2100ConstNdepNorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 33: Net carbon sequestration/loss from all land cover types in Northern Eurasia when no permafrost degradation is assumed to occur under the RCP8.5 and RCP4.5 global change scenarios. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by IGSM LC type: Data sets: RCP8.5: NECBRCP8.5_1500_2100ConstActLayerNorthernEurasia.xls RCP4.5: NECBRCP4.5_1500_2100ConstActLayerNorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 34: Effect of the abandonment of fertilized croplands (1950-2100) on net carbon sequestration/loss from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 and RCP4.5 global change scenarios. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertNECBRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertNECBRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 35: Effect of fertilizer applications on the reponse of net carbon sequestration/loss from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 global change scenario. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCropsNoFertNECBRCP8.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000NECBRCP8.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 36: Effect of fertilizer applications on the reponse of net carbon sequestration/loss from all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP4.5 global change scenario. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertNECBRCP4.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000NECBRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 37: Effect of atmospheric nitrogen deposition on net carbon sequestration/loss from all land cover types in Northern Eurasia assuming atmospheric deposition rates remain constant at the 1850 levels. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by IGSM LC type: Data sets: RCP8.5: NECBRCP8.5_1500_2100ConstNdepNorthernEurasia.xls RCP4.5: NECBRCP4.5_1500_2100ConstNdepNorthernEurasia.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 38: Effect of pasture abandonment on net carbon sequestration/loss from all land cover types in in areas covered by pastures during 2000 under the RCP8.5 and RCP4.5 global change scenarios. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by land cover type: Data sets: RCP8.5: abandonedPasture2000NECBRCP8.5_2000_2100.csv RCP4.5: abandonedPasture2000NECBRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ****************************************************************** Supplementary Table 39: Effect of the abandonment of fertilized croplands (1950-2100) on heterotrophic respiration in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 and RCP4.5 global change scenarios. Summarized estimates by land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertNPPRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertNPPRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 40: Effect of fertilizer applications on the reponse of heterotrophic respiration (RH) in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 global change scenario. Summarized estimates by general land cover type: Data sets: "Unfertilized Crops": abandonedCropsNoFertRHRCP8.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000RHRCP8.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 41: Effect of fertilizer applications on the response of heterotrophic respiration (RH) in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP4.5 global change scenario. Summarized estimates by general land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertRHRCP4.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000RHRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 42: Effect of the abandonment of fertilized croplands (1950-2100) on net prmary production in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 and RCP4.5 global change scenarios. Summarized estimates by general land cover type: Data sets: RCP8.5: abandonedCrops2000AllFertNPPRCP8.5_2000_2100.csv RCP4.5: abandonedCrops2000AllFertNPPRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 43: Effect of fertilizer applications on the reponse of net prmary production in all land cover types in areas covered by croplands during 2000 to cropland abandonment under the RCP8.5 global change scenario. Summarized estimates by general land cover type: Data sets: "Unfertilized Crops": abandonedCropsNoFertNPPRCP8.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000NPPRCP8.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 44: Effect of fertilizer applications on the reponse of net prmary production (NPP) in all land cover types in in areas covered by croplands during 2000 to cropland abandonment under the RCP4.5 global change scenario. Summarized estimates by general land cover type: Data sets: "Unfertilized Crops": abandonedCrops2000NoFertNPPRCP4.5_2000_2100.csv "Pre-2001 Fertilized Crops": abandonedCrops2000Fert2000NPPRCP4.5_2000_2100.csv Data units: Tg C per year Data format: Comma-delimited (csv) ***************************************************************** Supplementary Table 45: Area changes in land cover due to land-use change projected by the RCP8.5 and RCP4.5 global change scenario for lands that were underlain by permafrost during 2000. Summarized estimates by IGSM LC type: Data sets: RCP8.5: AREARCP8.5PERM2000.xlxs RCP4.5: AREARCP4.5PERM2000.xlxs Data units: square kilometers Data format: Multi-tabbed Excel file (xlxs) ****************************************************************** Supplementary Table 46: Net carbon sequestration/loss from land cover types in areas underlain by permafrost during the year 2000 in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Net carbon sequestration represented by net ecosystem carbon balance (NECB) in TEM. Summarized estimates by IGSM LC type: Data sets: RCP8.5: NECBRCP8.5_1500_2100Permafrost.xls RCP4.5: NECBRCP4.5_1500_2100Permafrost.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 47: Net carbon sequestration/loss in vegetation from land cover types in areas underlain by permafrost during the 2000 in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in vegetation (dVegCnew) is determined from the following carbon fluxes: dVegCnew = NPP - EC - LTRFALC - SLASHC - AGFPRODC - PRDF10C - PRDF100C - CRPSTUBC - FORAGEC Summarized estimates by IGSM LC type: Data sets: RCP8.5: NPPRCP8.5_1500_2100Permafrost.xls ECRCP8.5_1500_2100Permafrost.xls LTRFALCRCP8.5_1500_2100Permafrost.xls SLASHCRCP8.5_1500_2100Permafrost.xls AGFPRODCRCP8.5_1500_2100Permafrost.xls PRDF10CRCP8.5_1500_2100Permafrost.xls PRDF100CRCP8.5_1500_2100Permafrost.xls CRPSTUBCRCP8.5_1500_2100Permafrost.xls FORAGECRCP8.5_1500_2100Permafrost.xls RCP4.5: NPPRCP4.5_1500_2100Permafrost.xls ECRCP4.5_1500_2100Permafrost.xls LTRFALCRCP4.5_1500_2100Permafrost.xls SLASHCRCP4.5_1500_2100Permafrost.xls AGFPRODCRCP4.5_1500_2100Permafrost.xls PRDF10CRCP4.5_1500_2100Permafrost.xls PRDF100CRCP4.5_1500_2100Permafrost.xls CRPSTUBCRCP4.5_1500_2100Permafrost.xls FORAGECRCP4.5_1500_2100Permafrost.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 48: Net carbon sequestration/loss in soil organic matter for land cover types in areas underlain by permafrost during 2000 in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Carbon sequestration in soil organic matter (dTotSOCnew) is determined from the following carbon fluxes: dTotSOCnew = LTRFALC + SLASHC + CRPSTUBC + MANUREC - RH - DOCLOAD Summarized estimates by IGSM LC type: Data sets: RCP8.5: LTRFALCRCP8.5_1500_2100Permafrost.xls SLASHCRCP8.5_1500_2100Permafrost.xls CRPSTUBCRCP8.5_1500_2100Permafrost.xls MANURECRCP8.5_1500_2100Permafrost.xls RHRCP8.5_1500_2100Permafrost.xls DOCLOADRCP8.5_1500_2100Permafrost.xls RCP4.5: LTRFALCRCP4.5_1500_2100Permafrost.xls SLASHCRCP4.5_1500_2100Permafrost.xls CRPSTUBCRCP4.5_1500_2100Permafrost.xls MANURECRCP4.5_1500_2100Permafrost.xls RHRCP4.5_1500_2100Permafrost.xls DOCLOADRCP4.5_1500_2100Permafrost.xls Data units: Tg C per year Data format: Multi-tabbed Excel file (xls) ****************************************************************** Supplementary Table 49: Nitrogen availability from cumulative net nitrogen mineralization in land cover types in areas underlain by permafrost during the year 2000 in Northern Eurasia as projected by the RCP8.5 and RCP4.5 global change scenarios. Net nitrogen mineralization (NetNMin) is calculated as the difference between gross nitrogen mineralization (GrosNMin) and nitrogen immobilization (NIMMOB): NetNMin = GrosNMin - NIMMOB Summarized estimates by IGSM LC type: Data sets: RCP8.5: GROSNMINRCP8.5_1500_2100Permafrost.xls NIMMOBRCP8.5_1500_2100Permafrost.xls RCP4.5: GROSNMINRCP4.5_1500_2100Permafrost.xls NIMMOBRCP4.5_1500_2100Permafrost.xls Data units: Gg N per year Data format: Multi-tabbed Excel file (xls) ***************************************************************** Supplemtary Table 50: Biome-specifc parameters used to simulate net nitrogen mineralization and biological nitrogen fixation. Values are part of the "Ecological Calibration Data" (ecd) parameter files used by TEM. These files can be obtained from the TEM GitHub site: [https://www.github.com/MBL-TEM/TEM6.0.6/Parameters]