Abstract
With the distributed hydrological model of SWAT, the streamflow in Beijiang River Basin was simulated, and the hydrological response to climate change was analyzed. The simulated results showed that the SWAT model could effectively simulate the streamflow change in Beijiang River Basin. In order to study how the climate change make an influence on runoff for the basin, 15 sets of climate change scenarios are put into the calibrated model under the same land-use situation. Research results show that evapotranspiration (ET) will increase while water yield decreases when temperature increases, rainfall keeps the same. In addition, ET and water yield will increase more or less when rainfall increase while temperature keeps the same.
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