3.2 Data Sets
The DEM data with a spatial resolution of 90 m was provided by the
International Scientific and Technical Data Mirror Site, Computer
Network Information Center, Chinese Academy of Sciences
(http://datamirror.csdb.cn).
The global 1–km land cover classification dataset was obtained from the
University of Maryland (Hansen et al., 2000). The classification of soil
texture (at a resolution of 1 km) based on the Harmonized World Soil
Database (HWSD) was provided by the Food and Agriculture Organization of
the United Nations and the International Institute for Applied Systems
Analysis. Daily precipitation data from 24 rainfall stations and daily
discharge data from the Hengshi hydrological station (Figure 2) were
provided by the Hydrology Bureau of Guangdong Province, China. Daily
maximum and minimum temperature data from 4 meteorological stations were
provided by Meteorological Data Sharing Service System, National
Meteorological Information Center, China Meteorological Administration
(http://cdc.cma.gov.cn/home.do). The data sets from all the stations
spanned the period from 1970 to 2000.