GRACE, Gravity Recovery and Climate Experience, jointly developed by NASA and DLR. The data of equivalent liquid water estimation of Mascon RL06 version are provided by Space Research Center (CSR), Jet Power Laboratory (JPL) and Goddard Space Flight Center (GSFC) of the University of Texas in the United States. The spatial resolution is 0.25 °, 0.5 ° and 0.5 ° respectively. The monthly massive grid data (2002-2022) of GRACE in southwest China was obtained by linear time interpolation, mask extraction in China and coordinate system transformation of the original data, and saved in geotiff file format. Its data is true and reliable, and it is the main data used by GRACE to estimate the change of land water reserves.
File name: GRACE monthly mass grid data is stored in geotiff format. The file is named "GRACE_ LWST_ PPP_ XXX°_ RL06_ Mascons_ yyyymmdd_ region. Tif ", where PPP stands for data provider, XXX stands for spatial resolution, yyyy stands for year, mm stands for month, dd stands for day, and region stands for data area. For example," GRACE_ LWST_ CSR_ 0.25°_ RL06_ Mascons_ 20020417_ SW. tif "represents the massive grid data of Southwest China in April 2020 with a resolution of ° provided by CSR.
Data reading method: directly use Arcgis to open, or other TIFF format reading software. The data is band 1, and its value is the graphic expression of the tiff file.
F. W. LANDERER, M. M. WATKINS D. N. Wiese, D.-N. Yuan, C. Boening, ., BYRON D. TAPLEY Himanshu Save,Srinivas Bettadpur, ., BROOKE MEDLEY Bryant D. Loomis,Denis Felikson,Terence J. Sabaka, . (2022). Monthly Massive Grid Data of GRACE in the Upper Reaches of the Yangtze River in China (2002-2022). 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 |
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