MERRA-2 is NASA's atmospheric reanalysis since 1980. It replaces the original MERRA reanalysis using the upgraded Goddard Earth Observation System model, version 5 (GEOS-5) data assimilation system. MERRA-2 includes the global statistical interpolation (GSI) analysis scheme. The time resolution of the product is one hour, the spatial resolution is 0.5 ° x 0.625 °, and the data format is netCDF. The time span is from January 1, 1980 to September 1, 2022. This data set provides scientific basis for rational allocation of regional water resources.
File name: Snow depth data is stored in text format. The file name is "MERRA2_300. tavg1_2d _lnd_Nx. yyyymmdd. SUB. nc", where yyyy represents the year, mm represents the month, and dd represents the date.
Nasa, N. (2022). MERRA-2 Surface Evapotranspiration Data Set in Southwest China (1980-2022). Upper Yangtze River Scientific Data Center, (Download the reference：
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| East: 112.50 | West: 97.00 |
|---|---|
| South: 20.50 | North: 34.50 |
