A document describing the rules regarding using the ISIMIP simulation data can be found here.
Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 4.0 International license.
A document describing the rules regarding using the ISIMIP simulation data can be found here.
The ISIMIP framework includes bias-corrected climate-input data sets on a 0.5°x0.5°C global grid and at daily time steps. Additional socio-economic and human-influence data are also available, and detailed in the table below.
For ISIMIP2b, the bias-correction method has been updated and improved (see the DOI for the bias-correction code). See here for the ISIMIP2b bias-correction fact sheet. See here for information on the Fast-Track bias-correction method.
If published input data sets for any reason need to be replaced or updated, you will find details of these changes in the input data change log below.
Use the table's search box to limit input data sets to a chosen simulation round, data type, or to search for a specific data set.
| Data set | Protocol relation | Data type | Simulation round | Description | |||||||||||||||||||||||||||||||||||||
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Protocol
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP4.5 and RCP8.5) and extended-future (2100-2299) conditions provided based on CMIP5 output from MIROC5.
These data are analogous to the data described here: https://www.isimip.org/gettingstarted/details/21/ but for the two RCPs not included in the ISIMIP2b simulation protocol.
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Supplementary
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP4.5 and RCP8.5) and extended-future (2100-2299) conditions provided based on CMIP5 output from HadGEM2-ES.
These data are analogous to the data described here: https://www.isimip.org/gettingstarted/details/52/ but for the two RCPs not included in the ISIMIP2b simulation protocol.
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Supplementary
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP4.5 and RCP8.5) and extended-future (2100-2299) conditions provided based on CMIP5 output from IPSL-CM5A-LR.
These data are analogous to the data described here: https://www.isimip.org/gettingstarted/details/53/ but for the two RCPs not included in the ISIMIP2b simulation protocol.
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Supplementary
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP4.5 and RCP8.5) and extended-future (2100-2299) conditions provided based on CMIP5 output from GFDL-ESM2M.
These data are analogous to the data described here: https://www.isimip.org/gettingstarted/details/51/ but for the two RCPs not included in the ISIMIP2b simulation protocol.
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Protocol
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Land use
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ISIMIP2b
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Time-varying historical crop-land areas for 6 land-use types: rain-fed crop land, irrigated crop-land, rain-fed bioenergy, irrigated bio-energy, pastures, natural vegetation and urban areas. For more specific information, thd data are provided in 5 different resolutions of land-use types:
landuse-totals: the land surface is broadly categorized into rainfed (cropland_rainfed) and irrigated cropland (cropland_irrigated), and into pastures (pastures)
landuse-5crops: the distribution of the five predominant crop types (c3ann, c3per, c4ann, c4per and c3nfx), delineating both occurences of rainfed/irrigated crops and occurences of nutrition/bioenergy crops
landuse-15crops: provides areas specific to either important species, e.g. wheat, or species
groups, such as pulses
landuse-pastures: pastures areas are split into managed pastures (managed_pastures) and rangeland (rangeland)
landuse-urbanareas: provides the per-cell coverage of urban areas
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Protocol
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Socio-economic
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ISIMIP2b
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Country-level population data for the years 1861-2009.
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Protocol
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Socio-economic
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ISIMIP2b
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Annual GDP data on a 0.5°x0.5° grid for 2006-2099.
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Protocol
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Socio-economic
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ISIMIP2b
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Annual country-level GDP data for the SSP2 scenario for 2006-2100 based on a linear temporal interpolation of the OECD data.
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Protocol
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP2.6 and RCP6.0) and extended-future (RCP2.6, 2100-2299) conditions provided based on CMIP5 output from IPSL-CM5A-LR. Output includes the physical and biogeochemical ocean data required by the marine ecosystem sector of ISIMIP.
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Protocol
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP2.6 and RCP6.0) and extended-future (2100-2299) conditions provided based on CMIP5 output from HadGEM2-ES.
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Protocol
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Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP2.6 and RCP6.0) and extended-future (2100-2299) conditions provided based on CMIP5 output from GFDL-ESM2M. Output includes the physical and biogeochemical ocean data required by the marine ecosystem sector of ISIMIP.
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Protocol
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Other human influences
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ISIMIP2b
ISIMIP2a
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Catch data by country or EEZ or LME or globally.
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Protocol
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Land use
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ISIMIP2a
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Time-varying historical crop-land areas for 12 crop-functional types and pastures for rainfed and irrigated land use. Based on MIRCA 2000 and historical trends from HYDE 3.0.
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Protocol
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Other
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ISIMIP2b
ISIMIP2a
Fast Track
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Protocol
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Other human influences
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ISIMIP2b
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Water abstraction for domestic and industrial uses consistent with SSP2.
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Protocol
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Simulated ocean climate
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ISIMIP2b
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Non bais-corrected 3D oceanic temperature fileds on original GCM grid with monthly resolution from the GCMs: IPSL-CM5A-LR, GFDL-ESM2M, MIROC5, HadGEM2-ES.
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Protocol
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Simulated atmospheric climate
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ISIMIP2b
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Non bais-corrected 3D humidity and temperature fileds on original GCM grid with monthly resolution from the GCMs: IPSL-CM5A-LR, GFDL-ESM2M, MIROC5, HadGEM2-ES.
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Protocol
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Emissions
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ISIMIP2b
ISIMIP2a
Fast Track
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Atmospheric CO2 concentration for 1661-2299. Values are constant for 1661-1860, following observations from 1861-2005, and correspond to rcp26 and rcp60 from 2006-2299.
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Protocol
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Simulated atmospheric climate
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ISIMIP2b
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Uncorrected daily wind components at 250hPa and 850hPa on original GCM grid for the GCMs: GFDL-ESM2M, MIROC5, IPSL-CM5A-LR & HadGEM-ES.
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Protocol
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Observed atmospheric climate
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ISIMIP2b
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The EWEMBI dataset was compiled to support the bias correction of climate input data for ISIMIP2b. For a full technical description, see the DOI link below.
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Protocol
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Socio-economic
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ISIMIP2b
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Annual country-level population, urban population and age structure (in five-year age bands) based on SSP2 from IIASA (population & age structure) and NCAR (urbanshare).
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Protocol
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Socio-economic
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ISIMIP2b
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Annual global population data at 0.5° and 5' resolutions for the years 2006-2099 based on the national SSP2 population projections as described in Samir and Lutz, (2014).
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Protocol
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Simulated atmospheric climate
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Fast Track
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Daily-resolution, bias-corrected climate data from the global climate models MIROC-ESM-CHEM, NorES1-M, IPSL-CM5A-LR, GFDL-ESM2M, HadGEM2-ES covering the period 1950-2099 (historical run up to 2004, then split into 4 RCPs), downscaled to a 0.5°x0.5° lat-lon grid.
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Protocol
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Simulated ocean climate
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ISIMIP2a
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The ESM2M run is a fully coupled free running climate model forced by historical and future scenario GHGaerosol, solar boundary conditions without flux adjustment or other restoring to observations using TOPAZv2 as in Dunne et al 2013. DOI: 10.1175/JCLI-D-12-00150.1
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Protocol
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Simulated ocean climate
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ISIMIP2a
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The COBALT run is as described in: http://www.sciencedirect.com/science/article/pii/S0079661113001079. It uses the same basic ocean-ice setup as Dunne et al., 2013 but is forced with reanalysis.
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Protocol
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Other
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ISIMIP2b
ISIMIP2a
Fast Track
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The dam data is based on GRanDv1.1 (Lehner et al., 2011, DOI: 10.1890/100125), but adjusted to match the river-routing in DDM30.
Use of these data sets is recommended but, if unfeasible, groups may use their default dataset. For a comparison of the GranD/ISIMIP dataset with the default WaterGAP and LPJmL datasets, see https://www.arcgis.com/home/item.html?id=d966db9c7b2949ac8380458d7020adf9
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Protocol
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Observed atmospheric climate
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ISIMIP2a
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Daily-resolution observed climate data on a global (land and ocean) 0.5°x0.5° lat-lon grid from the Global Soil Wetness Project Phase 3 (GSWP3), based on the reanalysis data set 20CR and using the bias targets GPCC, GPCP, CPC-Unified, CRU and SRB. The data set covers the period 1901‐2010.
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Protocol
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Socio-economic
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ISIMIP2b
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Annual country-level GDP data for 1861-2005.
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Protocol
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Land use
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ISIMIP2b
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Historical land-use (LU) changes from the HYDE3.2 data (Klein Goldewijk, 2016) (see Figure 3).
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Protocol
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Land use
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Fast Track
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Harvested areas based on the MIRCA data set, covering irrigated and rainfed landuse.
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Protocol
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Socio-economic
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ISIMIP2b
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Annual global population data at 0.5° and 5' resolutions for the years 1861-2005 on a 0.5° and 5' grid.
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Protocol
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Observed atmospheric climate
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ISIMIP2a
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Daily-resolution observed climate data on a global (land and ocean) 0.5°x0.5° lat-lon grid.
PGMFD v.2 (Princeton) is from he Terrestrial Hydrology Group at Princeton University, based on the reanalysis data set NCEP/NCAR Reanalysis I and using the bias targets CRU, SRB, TRMM, GPCP & WMO and validated against GSWP2. The PGMFD v.2 data set covers the period 1901‐2012.
WATCH (WFD)
Derived from the WATCH Project, based on the reanalysis data set ERA-40 and using the bias target GPCC. The data set covers the period 1901‐2001.
WATCH+WFDEI
Based on the reanalysis data set ERA-Interim and using the bias target GPCC. The data set covers the period 1901‐2012, where the data for 1901-1978 are taken from WFD, and from 1979 onwards from WFDEI.GPCC
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Protocol
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Simulated ocean climate
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ISIMIP2a
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Ocean data from the GCM IPSL-CM5A-LR.
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Protocol
|
Simulated atmospheric climate
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ISIMIP2b
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Pre-industrial (1661-1860), historical (1861-2010), future (RCP2.6 and RCP6.0) and extended-future (2100-2299) conditions provided based on CMIP5 output from MIROC5. Output includes the physical and biogeochemical ocean data required by the marine ecosystem sector of ISIMIP.
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Protocol
|
Other human influences
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ISIMIP2b
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We provide the fertilization rate per our five canonical crop types, i.e. for both annual and perennial C3 and C4 crops, as well as for nitrogen fixing crops. The variables’ names are fertl_c3ann, fertl_c3per, fertl_c4ann, fertl_c4per and fert_c3nfx. The data are provided on an annual times step on the land surface of a global 0.5° × 0.5° grid. The units are kilograms per year and per hectare.
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Protocol
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Other human influences
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ISIMIP2b
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Annual, 0.5° gridded data for 1850-2099 derived from the average of three atmospheric chemistry models (i.e., GISS-E2-R, CCSM-CAM3.5, and GFDL-AM3) in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) (0.5° x 0.5°).
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||||||||||||||||||||||||||||||||||||||
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Protocol
|
Observed atmospheric climate
|
ISIMIP2a
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Daily-resolution observed climate data on a global (land and ocean) 0.5°x0.5° lat-lon grid from the Terrestrial Hydrology Group at Princeton University, based on the reanalysis data set NCEP/NCAR Reanalysis I and using the bias targets CRU, SRB, TRMM, GPCP & WMO and validated against GSWP2. The data set covers the period 1901‐2012
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Protocol
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Socio-economic
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Fast Track
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Historical (1950-2009) and future projections (2010-2100) of country-level and gridded population data based on the Shared Socio-economic Pathways (SSPs) for SSP1-SSP5.
|
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Protocol
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Simulated atmospheric climate
|
ISIMIP2b
|
Uncorrected pressure and wind fields at 10m above the land surface with 3-hrly resolution for the GCMs IPSL-CM5A-LR (1861-2299), MIROC5 (1861-2099) and GFDL-ESM2M (1861-2099).
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||||||||||||||||||||||||||||||||||||||
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Protocol
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Other
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ISIMIP2b
ISIMIP2a
Fast Track
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DDM30 River-routing network data.
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Protocol
|
Other
|
ISIMIP2b
|
Total climate-driven regional sea level projections on a global 0.5x0.5° grid. Projection is a combination of ocean dynamic sea level fields and steric global contribution from the ISIMIP GCMs, and the fingerprints from glaciers and the Greenland and Antarctic ice sheets. Tthe time-dependent fingerpints were generated by scaling a time-independent fingerprint (see Bamber and Riva 2010) with the respective global timeseries for each contribution. Uncertainty for fingerprints is only from the global timeseries.
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Protocol
|
Observed atmospheric climate
|
ISIMIP2a
|
Daily resolution climate data on a global 0.5°x0.5° lat-lon grid: Derived from the WATCH Project, based on the reanalysis data set ERA-40 and using the bias target GPCC. The data set covers the period 1901‐2001.
Related website:
http://www.waterandclimatechange.eu/about/watch-forcing-data-20th-century
When referring to the WATCH data set, the following paper should be cited:
Weedon, G.P., S.S. Gomes, P.P. Viterbo, W.J. Shuttleworth, E.E. Blyth, H.H. Österle, J.C. Adam, N.N. Bellouin, O.O. Boucher, and M.M. Best, 2011: Creation of the WATCH Forcing Data and Its Use to Assess Global and Regional Reference Crop Evaporation over Land during the Twentieth Century. J. Hydrometeor., 12, 823–848, doi: 10.1175/2011JHM1369.1
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Protocol
|
Observed atmospheric climate
|
ISIMIP2a
|
Daily-resolution observed climate data on a global (land only) 0.5°x0.5° lat-lon grid, based on the reanalysis data set ERA-Interim and using the bias target GPCC. The data set covers the period 1901‐2012, where the data for 1901-1978 are taken from WFD, and from 1979 onwards from WFDEI.GPCC
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Access to the ISIMIP input and output data for ISIMIP participants (i.e. modelling groups contributing simulations according to the ISIMIP protocol) is through the DKRZ server in Hamburg Germany. Information about applying for a DKRZ account and accessing these data can be found here.
Access to the ISIMIP input and output data for external users (i.e. non participants), is provided via a node of the Earth System Grid Federation (ESGF). Information about accessing these data can be found here. External users of ISIMIP output data should pay special attention to the ISIMIP terms of use.