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.
Datasets used in this study
| . | . | . | Resolution/ . | . | . | . |
|---|---|---|---|---|---|---|
| Data . | Elements . | Source . | station numbers . | Period . | Reference . | Download 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/ . | . | . | . |
|---|---|---|---|---|---|---|
| Data . | Elements . | Source . | station numbers . | Period . | Reference . | Download 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 |