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Specifications

Table 1: Model static parameters.

Property Description/Dataset
Domain 25.065 – 52.925°N 124.925-89.025°W
Time Period 1979-present
Temporal Resolution Daily
Soil Layers 0-10 cm, 10-40 cm, 40-100 cm, 100-200 cm
Grid Spacing 0.01° x 0.01°
Land Cover MODIS
Soil Texture STATSGO-FAO (1 km)
Greenness Fraction MODIS/NOAA-NCEP
Elevation Shuttle Radar Topography Mission
Albedo MODIS/NOAA-NCEP
Forcing Downscaled NLDAS-2

 

Downscaled NLDAS-2 forcing is downscaled to the WLDAS grid using a slope and aspect correction for radiation data and a standard atmospheric lapse rate correction (6.5 K/km) according to topography for all other fields (surface temperature, surface pressure, downward longwave radiation, and relative humidity). Precipitation data are spatially downscaled using the 800 m Parameter-Elevation Regressions on Independent Slopes Model (PRISM) monthly climatology of precipitation.