FLDAS 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.
*The tables below scroll to the right
| FLDAS Global | LIS 7.1 Noah.3.6 monthly runs |
| Projection | Lat-Lon |
| Spatial Extent | Global (179.95W, 59.95S; 179.95E, 89.95N) |
| Spatial Resolution* | 0.1 degree (10km) |
| Time Period | 1/1/1981 - present |
| Temporal Resolution** | 15 minute time steps, daily output |
| Forcing | Datasets derived from satellite measurements and atmospheric analyses (CHIRPS rain forcing 50S-50N, MERRA2 reanalysis) |
| Forcing Heights | 2 m for air temperature and specific humidity, 10 m for wind |
| Elevation Definition | SRTM |
| Vegetation Definition | NCEP-modified IGBP(MODIS), 1 km |
| Soils Definition | Reynolds, Jackson, and Rawls [1999] |
| Albedo | monthly climatology, NCEP_Native |
| Max Snow Albedo | Barlage_Native |
| Greenness | NCEP Greenness fraction |
| Soil Texture | STATSGOFAO |
| Landmask | MODIS |
| Land Surface Models | Noah 3.6.1 |
| Output Format | NetCDF |
| Soil layers: 4 | 0-0.1 m, 0.1-0.4 m, 0.4-1.0 m, 1.0-2.0 m |
| Central Asia Snow Modeling | LIS 7.3 daily runs |
| projection | Lat-Lon |
| Spatial extent | Central Asia Domain ( 30-100°E, 21-56°N) |
| Spatial Resolution* | 0.01x0.01 degree (1km x 1 km) |
| Time Period | 2001-01 to present |
| Temporal Resolution** | 30-min |
| Forcing | Datasets derived from satellite measurements and atmospheric analyses (GDAS) |
| Forcing Heights | 2 m for air temperature and specific humidity, 10 m for wind |
| Elevation Definition | SRTM |
| Vegetation Definition | IGBP-MODIS |
| Soil Texture | STATSGOFAO |
| Albedo | monthly climatology, NCEP_Native |
| Max Snow Albedo | Barlage_Native |
| Greenness | NCEP Greenness fraction |
| Land mask Definition | MOD44w |
| Soils Definition | Reynolds, Jackson, and Rawls [1999] |
| Land Surface Models | Noah3.6.1 |
| Soil layers | 4 layers: 0-0.1 m, 0.1-0.4 m, 0.4-1.0 m, 1.0-2.0 m |
| Output format | NetCDF |
*coarser scale meteorological forcing are spatially disaggregated in the LIS core software using bilinear interpolation.
** daily rainfall inputs are temporally disaggregated with LDT software, matching the rainfall distribution specified in the meteorological forcing