Specifications

FLDAS 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.

Africa water availability LIS 7
Projection LatLong
Spatial Extent Centered on Continental Africa (40S, 20W; 40N, 55E)
West Africa (5.3500 N, 18.65 W; 17.650 N, 25.850 E)
East Africa (11.750 S, 22.050E; 22.950 N, 51.350 E)
Southern Africa (37.850 S, 6.050 E; 6.350 N, 54.550 E)
Spatial Resolution* 0.25 and 0.1 degree (~25, 10km)
Time Period 1/1/1981 - present
Temporal Resolution** 30 minute time steps (Noah), 1 hr (VIC), 3-hourly output fields; dekad (WRSI)
Forcing Multiple datasets derived from satellite measurements and atmospheric analyses
Forcing Heights 2 m for air temperature and specific humidity, 10 m for wind
Elevation Definition SRTM
Vegetation Definition VIC: University of Maryland (AVHRR), 1 km
NOAH: NCEP-modified IGBP(MODIS), 1 km
Soils Definition Reynolds, Jackson, and Rawls [1999]
Land Surface Models Noah3.3, VIC4.1.2, GeoWRSI
Output Format NetCDF
Central Asia Snow Modeling LIS 7
projection Lat-Lon
Spatial extent Central Asia Domain ( 30-100°E, 21-56°N)
Spatial Resolution* 1km x 1 km
Time Period 2001-01 to present
Temporal Resolution** Noah3.6.1 30-min, CLM2 1hr
Forcing GDAS, MERRA-2
Forcing Heights 2 m for air temperature and specific humidity, 10 m for wind
Elevation Definition SRTM
Vegetation Definition IGBP-MODIS
Land mask Definition MOD44w
Soils Definition Reynolds, Jackson, and Rawls [1999]
Land Surface Models Noah3.6.1
Output format netcdf

*coarser scale meterological forcings are spatialy disagregated in the LIS core software using bilinear interpolation.
** daily rainfall inputs are temporally disagregated with LDT software, matching the rainfall distrubution specified in the meterological forcing

The land surface models currently run in FLDAS have following number of vertical levels and depths.

Noah 4 layers 0-0.1 m, 0.1-0.4 m, 0.4-1.0 m, 1.0-2.0 m
VIC 3 layers 0-0.1 m, 0.1-1.6 m, and 1.6-1.9 m
GeoWRSI 1 layer N/A
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