The impact of topography on the sediment yield and runoff generation is an important project and at the same time is an little studied problem.
地形对降雨量、产流量和产沙量的影响及其估算是一个十分重要的课题，同时也是一个相当困难和研究基础十分薄弱的课题。
In this research, soil erosion and sediment yield was calculated by runoff shear stress, runoff energy consumption and runoff power theory respectively.
分别利用坡面径流剪切力、坡面径流能耗和坡面径流单位水流功率理论对坡面土壤侵蚀发生过程进行了研究。
With delay of runoff yield time, the nitrogen concentrations in runoff and sediment drop off, whereas, the accumulation amounts of nitrogen loss rise gradually.
泥沙氮素含量随着产流时间的延长呈下降趋势，而流失累积量测呈逐渐增大趋势。
The result showed, that the fastigium of runoff yield and sediment yield were in accordance with the rainfall fastigium.
结果表明：径流小区产流、产沙量的高峰期与降雨量的高峰期相一致。
Results show that the visible difference of runoff yield and sediment yield and land cover pattern were found in the up of Huanjian, Heshuichuan and Ruihe.
结果表明：流域北部的环江上游、合水川与汭河的径流量和输沙量以及土地覆被空间格局分布差异显著；
The results shows, the relationship between individual rainfall runoff depth and it's sediment yield is very close.
结果表明，次降雨径流深与其对应所产生的侵蚀量关系非常密切；
Slope length is one of the important geomorphologic factors affecting the surface runoff and sediment yield.
坡长是影响坡面径流和水流侵蚀产沙的重要地貌因素之一。
The trend of runoff and sediment yield in the Jihe watershed declined evidently first and then remained steady during the research period.
径流与泥沙在多年变化中均呈先下降后平缓趋势。
In addition, the runoff and sediment load exhibits an obvious decrease tendency in recent years, but it is possible that sediment yield may increase sharply under a same intensive rainstorm.
近年来窟野河水沙量有显著减少的趋势，但存在稀遇暴雨下的增沙可能。
Taking Nverzhai small watershed in Wuling Mountain area as study area, the characteristics of runoff and sediment yield events based on 77 typical observed rainfall events in 2004—2008 were studied.
以武陵山区女儿寨小流域为研究区，根据流域2004—2008年77场典型降雨径流观测资料，研究流域次降雨径流与产沙特征。
For water and soil conservation and water pollution control, it is very important to simulate and predict the yield of sediment and pollutant during storm-runoff.
流域泥沙与非点源污染负荷的模拟与预测是水土保持和水污染控制管理的重要基础。 暴雨产沙与产污量过程的计算是模拟预测的一个重要环节。
Base on investigation of soil and water loss in Baipenzhu reservoir catchment area, experimental research on rainfall-runoff-sediment yield of typical erosion landform and vegetation was carried out.
在对白盆珠水库库区开展水土流失实地调查的基础上，选择库区典型的侵蚀地貌类型与植被类型进行降雨—径流—产沙规律的初步研究。
The average sediment yield rate and flow velocity decrease with the increase of coverage, but the influence of coverage on runoff is not remarkable.
草地坡面的平均输沙率及坡面流速随草地盖度的增大而减小，而盖度对草地坡面径流量的影响则不明显。
Under the same other conditions, runoff generation, sediment concentration and sediment yield of the soil with smaller bulk density were relatively greater.
在其它条件相同时，容重较小的土质，其径流量、含沙量和产沙量相对较大。
The paper studied the runoff generation and sediment yield regulations of the natural slope-green-land in loess zone by the simulated rainfall.
通过野外模拟降雨试验，研究黄土区天然草坡的产流、产沙规律。
The paper studied the runoff generation and sediment yield regulations of the natural slope-green-land in loess zone by the simulated rainfall.
通过野外模拟降雨试验，研究黄土区天然草坡的产流、产沙规律。
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