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This set of files includes downscaled projections of decadal means of annual mean temperatures (in degrees Celsius, no unit conversion necessary) for each decade from 1910 - 2006 (CRU TS 3.0) or 2009 (CRU TS 3.1) at 771x771 meter spatial resolution. Each file represents a decadal mean of an annual mean calculated from mean monthly data. The spatial extent includes Alaska. Each set of files originates from the Climatic Research Unit (CRU, http://www.cru.uea.ac.uk/) TS 3.0 or 3.1 dataset. TS 3.0 extends through December 2006 while 3.1 extends to December 2009. ============================= Downscaling: These files are bias corrected and downscaled via the delta method using PRISM (http://prism.oregonstate.edu/)...
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This set of files includes downscaled projections of decadal means of monthly mean temperatures (in degrees Celsius, no unit conversion necessary) for each month of every decade from 2010 - 2100 (see exceptions below) at 771x771 meter spatial resolution. Each file represents a mean monthly mean in a given decade. The spatial extent includes Alaska. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months, and 100 years. This amounts to 21,600 files per variable for monthly data. Some datasets are derived products such as monthly decadal averages or specific seasonal averages, among others. This specific dataset...
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This set of files includes downscaled historical estimates of decadal means of annual total precipitation (in milimeters, no unit conversion necessary) for each decade from1910 - 2006 (CRU TS 3.0) or 2009 (CRU TS 3.1.01) at 2x2 kilometer spatial resolution. Each file represents a decadal mean of an annual total calculated from monthly totals. The spatial extent includes Alaska, the Yukon Territories, British Columbia, Alberta, Saskatchewan, and Manitoba. Each set of files originates from the Climatic Research Unit (CRU, http://www.cru.uea.ac.uk/) TS 3.0 or 3.1.01 dataset. TS 3.0 extends through December 2006 while 3.1.01 extends to December 2009. ============================= Downscaling: These files are bias...
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This data was produced in collaboration with The Wilderness Society. This set of files includes downscaled historical estimates of monthly total potential evapotranspiration (in millimeters, no unit conversion necessary) for each month of every year from January 1901 - December 2006 at 2x2 kilometer spatial resolution. Each file represents a single month in a given year. The spatial extent includes Alaska. These potential evapotranspiration (PET) estimates were produced using the Hamon equation (Lu et al. 2005), which calculates PET as a function of temperature and day length. Potential evapotranspiration may also be influenced by cloud cover, humidity, and wind speed. The Hamon equation can not explicitly...
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This set of files includes downscaled projections decadal means of annual of day of freeze or thaw for each decade from 2010 - 2100 (see exceptions below) at 2x2 kilometer spatial resolution. Each file represents a decadal mean of an annual mean calculated from mean monthly data. ========================================== Units are ordinal day 15-350 with the below special cases. For Day of Freeze (DOF) 0 = Primarily Frozen 365 = Rarely Freezes For Day of Thaw (DOT) 0 = Rarely Freezes 365 = Primarily Frozen ========================================== The spatial extent includes Alaska, the Yukon Territories, British Columbia, Alberta, Saskatchewan, and Manitoba. ========= Overview: Most of SNAP’s climate projections...
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This set of files includes downscaled projections of decadal means of annual total precipitation (in milimeters, no unit conversion necessary) for each decade from 2010 - 2100 (see exceptions below) at 2x2 kilometer spatial resolution. Each file represents a decadal mean of an annual total calculated from monthly totals. The spatial extent includes Alaska, the Yukon Territories, British Columbia, Alberta, Saskatchewan, and Manitoba. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months, and 100 years. This amounts to 21,600 files per variable for monthly data. Some datasets are derived products such as monthly...
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This set of files includes downscaled projections of decadal means of seasonal mean temperatures (in degrees Celsius, no unit conversion necessary) for each season of every decade from 2010 - 2100 (see exceptions below) at 2x2 kilometer spatial resolution. Each file represents a seasonal mean in a given decade. The four seasons are referred to by the first letter of 3 months making up that season. JJA=summer SON=fall DJF=winter MAM=spring The spatial extent includes Alaska, the Yukon Territories, British Columbia, Alberta, Saskatchewan, and Manitoba. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months,...
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This set of files includes downscaled projections of decadal means of seasonal total precipitation (in millimeters, no unit conversion necessary) for each season of every decade from 2010 - 2100 (see exceptions below) at 771x771 meter spatial resolution. Each file represents a mean seasonal total in a given decade. The four seasons are referred to by the first letter of 3 months making up that season. JJA=summer SON=fall DJF=winter MAM=spring The spatial extent includes Alaska. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months, and 100 years. This amounts to 21,600 files per variable for monthly data....
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This set of files includes downscaled projections of decadal means of annual length of growing season (numbers of days, 0-365) for each decade from 2010 - 2100 (see exceptions below) at 2x2 kilometer spatial resolution. Each file represents a decadal mean of an annual mean calculated from mean monthly data. The spatial extent includes Alaska, the Yukon Territories, British Columbia, Alberta, Saskatchewan, and Manitoba. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months, and 100 years. This amounts to 21,600 files per variable for monthly data. Some datasets are derived products such as monthly decadal...
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This data was produced in collaboration with The Wilderness Society. This set of files includes downscaled projections of decadal means of annual total potential evapotranspiration (in millimeters, no unit conversion necessary) for each decade from 2010 - 2099 at 2x2 kilometer spatial resolution. Each file represents a decadal mean of an annual total calculated from monthly totals. The spatial extent includes Alaska. These potential evapotranspiration (PET) estimates were produced using the Hamon equation (Lu et al. 2005), which calculates PET as a function of temperature and day length. Potential evapotranspiration may also be influenced by cloud cover, humidity, and wind speed. The Hamon equation can not...
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This data set contains 30 meter raster cells for the entire Northwest Plains ecoregaion. The raster value of "1" indicates presence. This data set was created by converting the Northwest Plains ecoregion vector file into a 30 meter raster.
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These files include downscaled projections of decadal average monthly snow-day fraction (in percent) for each month of the decades from 2010-2019 to 2090-2099 at 771 x 771 m spatial resolution. Each file represents a decadal average monthly mean. Projections were produced for 5 models contributing to the IPCC's Fourth Assessment Report (CCCMA-CGCM3.1 t47, GFDL-CM2.1, MPI-ECHAM5, MIROC3.2 medres, and UKMO-HadCM3) and two emissions scenarios (A1B and A2). The spatial extent includes Alaska. These snow-day fraction estimates were produced by applying equations relating decadal average monthly temperature to snow-day fraction to downscaled projected decadal average monthly temperature. The equations were developed...
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This set of files includes downscaled historical estimates of decadal means of annual day of freeze or thaw for each decade from 1910 - 2006 (CRU TS 3.0) or 2009 (CRU TS 3.1) at 771x771 meter spatial resolution. Each file represents a decadal mean of an annual mean calculated from mean monthly data. ===================== Units are ordinal day 15-350 with the below special cases. For Day of Freeze (DOF) 0 = Primarily Frozen 365 = Rarely Freezes For Day of Thaw (DOT) 0 = Rarely Freezes 365 = Primarily Frozen ===================== The spatial extent includes Alaska. Each set of files originates from the Climatic Research Unit (CRU, http://www.cru.uea.ac.uk/) TS 3.0 or 3.1 dataset. TS 3.0 extends through December...
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This set of files includes downscaled historical estimates of decadal means of annual total precipitation (in milimeters, no unit conversion necessary) for each decade from 1910 - 2006 (CRU TS 3.0) or 2009 (CRU TS 3.1.01) at 771x771 meter spatial resolution. Each file represents a decadal mean of an annual total calculated from monthly totals. The spatial extent includes Alaska. Each set of files originates from the Climatic Research Unit (CRU, http://www.cru.uea.ac.uk/) TS 3.0 or 3.1.01 dataset. TS 3.0 extends through December 2006 while 3.1.01 extends to December 2009. ============================= Downscaling: These files are bias corrected and downscaled via the delta method using PRISM (http://prism.oregonstate.edu/)...
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This data was produced in collaboration with The Wilderness Society. This set of files includes downscaled historical estimates of decadal means of seasonal total potential evapotranspiration (in millimeters, no unit conversion necessary) for each season of every decade from 1910 - 2006 at 2x2 kilometer spatial resolution. Each file represents a mean seasonal total in a given decade. The four seasons are referred to by the first letter of 3 months making up that season. JJA=summer SON=fall DJF=winter MAM=spring The spatial extent includes Alaska. These potential evapotranspiration (PET) estimates were produced using the Hamon equation (Lu et al. 2005), which calculates PET as a function of temperature and day...
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This set of files includes downscaled projections decadal means of annual of day of freeze or thaw for each decade from 2010 - 2100 (see exceptions below) at 771x771 meter spatial resolution. Each file represents a decadal mean of an annual mean calculated from mean monthly data. ========================================== Units are ordinal day 15-350 with the below special cases. For Day of Freeze (DOF) 0 = Primarily Frozen 365 = Rarely Freezes For Day of Thaw (DOT) 0 = Rarely Freezes 365 = Primarily Frozen ========================================== The spatial extent includes Alaska. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average,...
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This set of files includes downscaled estimates of monthly mean temperatures (in degrees Celsius, no unit conversion necessary) for each month of every year from January 1901 - December 2006 (CRU TS 3.0) or 2009 (CRU TS 3.1) at 771x771 meter spatial resolution. Each file represents a single month in a given year. The spatial extent includes Alaska. Each set of files originates from the Climatic Research Unit (CRU, http://www.cru.uea.ac.uk/) TS 3.0 or 3.1 dataset. TS 3.0 extends through December 2006 while 3.1 extends to December 2009. ============================= Downscaling: These files are bias corrected and downscaled via the delta method using PRISM (http://prism.oregonstate.edu/) 1961-1990 (for 2km Alaska...
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This set of files includes downscaled projections of decadal means of annual mean temperatures (in degrees Celsius, no unit conversion necessary) for each decade from 2010 - 2100 (see exceptions below) at 771x771 meter spatial resolution. Each file represents a decadal mean of an annual mean calculated from mean monthly data. The spatial extent includes Alaska. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months, and 100 years. This amounts to 21,600 files per variable for monthly data. Some datasets are derived products such as monthly decadal averages or specific seasonal averages, among others. This...
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This set of files includes downscaled projections of monthly mean temperatures (in degrees Celsius, no unit conversion necessary) for each month of every year from January 2001 - December 2100 (see exceptions below) at 771x771 meter spatial resolution. Each file represents a single month in a given year. The spatial extent includes Alaska. ========= Overview: Most of SNAP’s climate projections come in multiple versions. There are 5 climate models, one 5 model average, 3 climate scenarios, 12 months, and 100 years. This amounts to 21,600 files per variable for monthly data. Some datasets are derived products such as monthly decadal averages or specific seasonal averages, among others. This specific dataset is one...
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This data set contains 30 meter raster cells for the entire Middle Rockies ecoregaion. The raster value of "1" indicates presence. This data set was created by converting the Middle Rockies ecoregion vector file into a 30 meter raster.


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