Annual runoff volume and annual sediment discharge as a whole take on a synchronously-decreasing trend, and the evolution process is characterized by obvious stages.
年径流量、年输沙量总体均呈同步减少趋势，在演变过程中表现出明显的阶段性。
Pollution loading of dissolved N and P in ChaoHu lake watershed could be evaluated through export model of N and P after annual runoff volume was work out according to SCS model.
流域溶解态N、P污染负荷估算是由SCS模型得到流域年径流量，然后由溶解态N、P输出模型计算得出。
Pollution loading of dissolved N and P in ChaoHu lake watershed could be evaluated through export model of N and P after annual runoff volume was work out according to SCS model.
流域溶解态N、P污染负荷估算是由SCS模型得到流域年径流量，然后由溶解态N、P输出模型计算得出。
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