Abstract
AbstractChanges in non‐point source (NPS) pollutants are of particular concern in developing countries. This study investigated the responses of streamflow and NPS pollutant loads to climate change in the 3S River Basin, a trans‐boundary basin of the Mekong River, using Soil and Water Assessment Tool (SWAT). Firstly, the SWAT model in simulations of streamflow and NPS pollutant loads was calibrated and validated against observed data to prove the reliability of the simulation results. Then, the calibrated SWAT model was used to simulate changes in streamflow and NPS pollutants under the impact of climate change. The simulation results indicated that the streamflow and NPS pollutant loads are predicted to increase in the future. Moreover, water shortage in the dry season and soil degradation in the wet season are emphasized to occur in the future.
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