Research on runoff response to soil and water conservation measures inTuwei watershed in Northern Shaanxi Province

For evaluating runoff regulating effects of soil and water conservation measures conducted in Tuwei watershed in Northern Shaanxi Province,the runoff variation of Tuwei watershed is studied by genesis partition method etc.,through reviewing recent research results and collecting measured data in the watershed.The results show that the runoff of Tuwei watershed reduced by comprehensive water and soil conservation measures that are designed taking a watershed as a basic element,thus the benefit of the measures are significant.The study can provide technical support for protecting ecological environment in Northern Shaanxi Province and soil-water loss harnessing work in middle Yellow River,as well as scientific dispatching of water resources.