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|
|Forcing Heights||2 m for air temperature and specific humidity, 10 m for wind|
|Vegetation Definition||University of Maryland, 1 km|
|Soils Definition||Reynolds, Jackson, and Rawls |
|Land Surface Models||Mosaic, CLM2, Noah, VIC|
|Output Format||GRIB, NetCDF, ASCII, GDS|
The land surface models currently run in GLDAS have following number of vertical levels and depths.
|Mosaic||3 layers||0-0.02, 0.02-1.5, and 1.5-3.0 m|
|CLM2||10 layers||0-0.018, 0.018-0.045, 0.045-0.091, 0.091-0.166, 0.166-0.289, 0.289-0.493, 0.493-0.829, 0.829-1.383, 1.383-2.296, and 2.296-3.433 m|
|Noah||4 layers||0-0.1, 0.1-0.4, 0.4-1.0, 1.0-2.0 m|
|VIC||3 layers||0-0.1, 0.1-1.6, and 1.6-1.9 m|