Specifications

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GLDAS currently can run with the following specifications and improvements such as additional datasets (forcing and near surface), new land surface models, and algorithms are ongoing in the project.

Spatial Extent	All land north of 60 degrees S
Spatial Resolution	1 degree and 1/4 degree
Time Period	1/1/1979 - present
Temporal Resolution	15 minute time steps, 3-hourly output fields
Forcing	Multiple datasets derived from satellite measurements and atmospheric analyses
Land Surface Models	MOSAIC, CLM2, Noah
Output Format	GRIB
Elevation Definition	GTOPO30
Vegetation Definition	University of Maryland, 1 km
Soils Definition	Reynolds, Jackson, and Rawls [1999]

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LDAS Web Page Developed and Maintained at NASA/GSFC

Matthew Rodell: Matthew.Rodell-at-nasa.gov Brian Cosgrove: Brian.Cosgrove@gsfc.nasa.gov