Product: 343e3ccc-4386-432f-a557-87b52dfc1052

Metadata Format
Product Title
Potential Evapotranspiration 1930-1939: CRU Historical Dataset
Description
Estimated potential evapotranspiration (mm) for the decade spanning 1930-1939. Data were generated by using the Hamon equation and historical air temperature projections from the CRU dataset.
Project ID
40a3ccfc-84df-4103-ac83-bc950099e8ed
Project Title
Integrated Ecosystem Model (AIEM) for Alaska and Northwest Canada
Point of Contact(s)
LCC Network Data Steward
LCC Network Data Manager
lccdatasteward@fws.gov
Arctic Landscape Conservation Cooperative
U.S. Fish & Wildlife Service
1011 E. Tudor Rd
Anchorage, Alaska 99503
V: +1 907 7863532
staff@arcticlcc.org
http://arcticlcc.org
Arctic Landscape Conservation Cooperative
U.S. Fish & Wildlife Service
1011 E. Tudor Rd
Anchorage, Alaska 99503
V: +1 907 7863532
staff@arcticlcc.org
http://arcticlcc.org

Product Abstract

Potential Evapotranspiration (PET): These data represent decadal mean totals of potential evapotranspiration estimates (mm). The file name specifies the decade the raster represents. For example, a file named pet_mean_mm_decadal_CRU_Historical_annual_1930-1939.tif represents the decade spanning 1930-1939. The data were generated by using the Hamon equation and output from a statistically downscaled version of the Hadley Centre's CRU TS3.0 observational dataset. Data are at 2km x 2km resolution, and all data are stored in geotiffs. Calculations were performed using R 2.12.1 and 2.12.2 for Mac OS Leopard, and data were formatted into geotiffs using the raster and rgdal packages. Users are reminded that the PET estimates include the inherent uncertainty of model projections. In addition, the methods used to derive PET from temperature require a number of assumptions, which future conditions may or may not meet. In particular, these methods as implemented assume that cloudcover and relative humidity remain constant. This may or may not be true. Hamon Equation: These data were derived by applying the Hamon equation as outlined in Lu et al. (2005) to monthly average temperature downscaled by SNAP.

Purpose: The Wilderness Society derived potential evapotranspiration from temperature projections to better understand how potential future warming might influence the surface water budget.

Product Links

Product Keywords

  • ISO 19115 Topic Category (isoTopicCategory):
    • environment
  • Global Change Master Directory (GCMD) Science Keywords (project):
    • LANDSCAPE PROCESSES,
    • SOIL TEMPERATURE,
    • PERMAFROST,
    • LANDSCAPE ECOLOGY,
    • WETLANDS,
    • DYNAMIC VEGETATION/ECOSYSTEM MODELS,
    • LAND COVER
  • End User Types - Landscape Conservation Cooperatives (LCC End User Type):
    • Federal resource managers,
    • Academics & scientific researchers,
    • Interested public

Associated Products

ID Title Metadata Link
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1920-1929: CRU Historical Dataset mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1980-1989: CRU Historical Dataset mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1940-1949: CRU Historical Dataset mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1950-1959: CRU Historical Dataset mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1970-1979: CRU Historical Dataset mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1960-1969: CRU Historical Dataset mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 1910-1919: CRU Historical Dataset mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2000-2009: ECHAM5 - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2070-2079: ECHAM5 - A1B Scenario mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e IEM-CSC Factsheet with Supplement, 2015 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1870-1879 mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2040-2049 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1910-1919 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2090-2099: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2010-2019: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Active Layer Thickness 1990-1999 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2010-2019: ECHAM5 - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2080-2089 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2020-2029 mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Active Layer Thickness 2080-2089 mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2090-2099 mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Active Layer Thickness 2010-2019 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2090-2099: ECHAM5 - A1B Scenario mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2080-2089: ECHAM5 - A1B Scenario mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 1990-1999 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1980-1989 mdJSON ISO 19115-2 HTML
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4c54ebb2-1359-4094-8976-5daa72ee1a0e Active Layer Thickness 1980-1989 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1890-1899 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2040-2049 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2050-2059: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2090-2099 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2000-2009 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2070-2079 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1950-1959 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2040-2049: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1930-1939 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2050-2059 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2020-2029: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Simulated Active Layer Thickness mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2020-2029 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2007-2009 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2030-2039: ECHAM5 - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1880-1889 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1860-1869 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1970-1979 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1920-1929 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2010-2019 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Active Layer Thickness 2090-2099 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 1980-1989 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Historical Stand Age 1990-1999 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Stand Age Projections 2030-2039 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2080-2089 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2080-2089: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Mean Annual Ground Temperature 2010-2019 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Active Layer Thickness 2050-2059 mdJSON ISO 19115-2 HTML
4c54ebb2-1359-4094-8976-5daa72ee1a0e Potential Evapotranspiration 2060-2069: CCCMA - A1B Scenario mdJSON ISO 19115-2 HTML