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Research Methods of the Soil and Water Conservation

Comprehensive Treatment to Water and Sediment Responds

Iimprove and Discussion

Zhang Pan1,2，Sun Weiying2

1. Hohai University，Nanjing (210098)

2. Yellow River Institute of Hydraulic Research，Zhengzhou（450003)

Abstract

The paper introduced the development survey of soil and water conservation research and calculation methods of water and sediment reduction benefits by water and soil conservation measure, emphatically analyzed the questions exist in the research and calculation methods, and proposed the next diligently direction,that are:①When using“Hydrology method ”calculate water and sediment reduction benefits, we should aim at the different soil erosion types to build Rainfall—flood and Sediment yeild models ;②When using “soil and water conservation method ”calculate water and sediment reduction benefits, we should Strengthen the slope government to the trench influence research;③Further studies the erosion reduction of check dam;④Continue to improve the calculation methods of water and sediment reduction benefits by soil and water conservation measure.

Keywords：water and soil conservation，flood and sediment yeild，water and sediment reduction benefits，runoff and sediment variety，Yellow River