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Three satellite products were employed in this study (Table 1), including precipitation from TRMM 3B43 Version 7, evapotranspiration from MODIS MOD16, and TWSC from GRACE, using observations from the period January 2003 to December 2012.

Table 1

Datasets used in this study

Resolution/
DataElementsSourcestation numbersPeriodReferenceDownload site
Grid products Precipitation TRMM 3B43 V7 0.25° × 0.25° 2003–2012 Huffman et al. (2007)  http://disc.sci.gsfc.nasa.gov/ 
Evapotranspiration MODIS MOD16 1 km × 1 km 2003–2012 Mu et al. (2011)  http://www.ntsg.umt.edu/project/et 
GLDAS_NOAH 0.25° × 0.25° 2003–2012 Houser et al. (2001)  http://disc.sci.gsfc.nasa.gov/services/grads-gds/gldas/index.shtml 
GLDAS_VIC 1° × 1° 2003–2012  
GLDAS_CLM 1 ° × 1 ° 2003–2012  
GLDAS_MOS 1 ° × 1 ° 2003–2012  
Total water storage GRACE 1 ° × 1 ° 2003–2012 Landerer & Swenson (2012)  http://www.csr.utexas.edu/grace/ 
Ground-based data Precipitation Meteorological station 160 stations 2003–2012 – China Meteorological Bureau 
Evapotranspiration FLUX station 1 station 2003–2004 – http://www.chinaflux.org/index/index.asp 
Stream flow Hydrological station 2 station 2003–2012 – Yangtze River Hydrological Bureau, China 
Resolution/
DataElementsSourcestation numbersPeriodReferenceDownload site
Grid products Precipitation TRMM 3B43 V7 0.25° × 0.25° 2003–2012 Huffman et al. (2007)  http://disc.sci.gsfc.nasa.gov/ 
Evapotranspiration MODIS MOD16 1 km × 1 km 2003–2012 Mu et al. (2011)  http://www.ntsg.umt.edu/project/et 
GLDAS_NOAH 0.25° × 0.25° 2003–2012 Houser et al. (2001)  http://disc.sci.gsfc.nasa.gov/services/grads-gds/gldas/index.shtml 
GLDAS_VIC 1° × 1° 2003–2012  
GLDAS_CLM 1 ° × 1 ° 2003–2012  
GLDAS_MOS 1 ° × 1 ° 2003–2012  
Total water storage GRACE 1 ° × 1 ° 2003–2012 Landerer & Swenson (2012)  http://www.csr.utexas.edu/grace/ 
Ground-based data Precipitation Meteorological station 160 stations 2003–2012 – China Meteorological Bureau 
Evapotranspiration FLUX station 1 station 2003–2004 – http://www.chinaflux.org/index/index.asp 
Stream flow Hydrological station 2 station 2003–2012 – Yangtze River Hydrological Bureau, China 

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