Variables of interest for MERRA-2

A full list of variable names can be found in the MERRA-2 README provided by NASA.

Short name Long name Parameter Resolution Depth [m] Units
SFMC water_surface_layer Soil moisture 0.5° x 0.625° 0.00 - 0.05 [m-3 m-3]
RZMC water_root_zone Soil moisture 0.5° x 0.625° 0.10 - 1.00 [m-3 m-3]
GWETTOP surface_soil_wetness Soil moisture 0.5° x 0.625° 0.00 - 0.05 []
GWETROOT root_zone_soil_wetness Soil moisture 0.5° x 0.625° 0.10 - 1.00 []
GWETPROF ave_prof_soil_moisture Soil moisture 0.5° x 0.625° 1.34 - 8.53 []
PRECTOTLAND Total_precipitation_land Rain precipitation rate 0.5° x 0.625° 0 [kg m-2 s-1]
PRECSNOLAND snowfall_land Snow precipitation rate 0.5° x 0.625° 0 [kg m-2 s-1]
SNOMAS Total_snow_storage_land Total snow storage land 0.5° x 0.625° 0 [kg m-2]
TSOIL1 soil_temperatures_layer_1 Soil temperatures layer 1 0.5° x 0.625°
    • 0.0988
[K]
TSOIL2 soil_temperatures_layer_2 Soil temperatures layer 2 0.5° x 0.625°
    • 0.1952
[K]
TSOIL3 soil_temperatures_layer_3 Soil temperatures layer 3 0.5° x 0.625°
    • 0.3859
[K]
TSOIL4 soil_temperatures_layer_4 Soil temperatures layer 4 0.5° x 0.625°
    • 0.7626
[K]
TSOIL5 soil_temperatures_layer_5 Soil temperatures layer 5 0.5° x 0.625°
    • 1.5071
[K]
TSOIL6 soil_temperatures_layer_6 Soil temperatures layer 6 0.5° x 0.625°
    • 10.000
[K]
TSURF surface_temperature_of_land_incl_snow Surface temperature 0.5° x 0.625° 0 [K]