sediment runoff

A dual box system ( one is rill box and the other is feeder box) with 15 gradient and clay loess is used to quantify effects of runoff and sediment from up slope on down slope rill erosion and sediment under different sediment concentrations and rainfall intensities.

利用双土槽系统径流小区（供沙土槽和试验土槽），定量研究了不同上方来水含沙量和不同降雨强度下15°坡面上方来水来沙对坡下方细沟侵蚀产沙过程的影响。

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The slope gradient has greater influence on runoff and sediment yield processes than stubble height.

坡度对产流产沙过程的影响要大于留茬高度对产流产沙过程的影响。

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Under the condition of same slope steepness and runoff, sediment delivery caused by rainfall erosion is bigger than that caused by feeding runoff washing. Sediment delivery has increased by 50% when rainfall intensity increases 1 time.

在坡度一致和坡面径流量基本相同时，降雨侵蚀产沙量大于供水径流的侵蚀产沙量，降雨强度增大1倍时，坡面侵蚀产沙量增大约50%；

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Soil Mineral Nitrogen Loss in Surface Runoff and Sediment as Affected by Slope Gradient on Loess Slope

坡度对坡面土壤矿质氮素水蚀流失负荷的影响

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Under the experimental condition, splash erosion of slope surface and sediment of runoff have good linear relationship.

相同雨强、坡度、时间段下，坡面溅蚀与径流泥沙二者速率之间有着较好的线性关系。

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Sediment delivery can be gained through measuring the sediment reserving at the exit of runoff plot or small water collection area which slope length is more than 20 meters.

输移量为坡长大于20m的径流小区或小集水区出口处的拦蓄量。

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Change on Characteristics of Runoff and Sediment in the Main Stem of the Yellow River

黄河干流径流泥沙特性变化

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incoming runoff and sediment runoff to yichang hydrometric station affected by the projects on the upstream of yangtze river

长江上游工程对宜昌来水来沙变化的影响

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For the loose and compact surface treatments, the net sediment delivery ( S) caused by up-slope runoff accounts for the total sediment delivery Sft at down-slope 72.4 to 92.7% and 45.5 to 83.7%, separately.

对于疏松土和紧实土处理，上方来水引起坡下方的净侵蚀产沙量S分别占总侵蚀产沙量S（ft）的72.4%-92.7%和45.5%-83.7%。

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Optimization of Water Inlet Conduit for the Time-Accumulating Sediment Sampler Design and testing of the depth profile sediment sampler for runoff plots

AYX2型积时式悬沙采样器进水管路优化设计径流小区集流桶含沙量全深剖面采样器的研制与试验

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Evaluating the measuring methods to sediment concentration in the runoff of slope erosion

坡面侵蚀中径流含沙量测量方法研究与展望

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