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]