Since the 20th century, a great progress has been made in research on infiltration and runoff yield.
20世纪以来，入渗与产流研究取得了长足进展。
Forest will reduce more runoff yield in strong and short term rainfall processes than in small and long ones.
对强降雨、历时短、产流率大的降雨过程，林地对产流削减作用明显小于对弱降雨、历时长、产流率小的降雨过程。
Abstract: Since the 20th century, a great progress has been made in research on infiltration and runoff yield.
文摘：20世纪以来，入渗与产流研究取得了长足进展。
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。
The research and application of runoff yield and runoff in small watersheds in China are reviewed, compared and analyzed.
水文巡测技术方案的制定对小流域产汇流参数是否存在影响，影响有多大，同样具有一定的研究价值。
Since the 20th century, great progress has been made on the research on forest and slope-runoff yield especially in China.
20世纪以来，森林与坡面产流的研究取得了长足进展，尤其在我国研究得比较深入与广泛。
Results show that sediment yield decrease slightly but runoff yield increase obviously of Jinghe watershed nearly 50 years;
结果表明：泾河流域近50年来的输沙量略有下降，而径流量减少比较显著；
Since the 20th century, research on forest and slope-runoff yield has achieved a great progress, especial-ly in China are deeper and wider.
20世纪以来，森林与坡面产流的研究取得了长足进展，尤其在我国研究得比较深入与广泛。
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；
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。
This text is based on analyzing characteristics of error generation of Zhanghe reservoir flood, establishing anti-error runoff yield and concentration forecastin.
在分析漳河水库入库洪水误差特点的基础上，建立了入库洪水产汇流预报方案。
This method has achieved great success in Fengshuba basin, and raised the qualified rate of forecasting runoff yield from 85.1% of antecedent scheme to 91.7% and overcame…
该法应用于广东枫树坝流域，使产流预报方案的合格率从原来的85.1%提高到91.7%，并克服了原方案在汛初和久旱后预报洪水的产流量远远偏大的问题。
The economical volume of rainwater storage basin of different runoff yield area were calculated by converting area of residential districts with different scale and component.
同时，通过折算不同规模和组成的小区的占地面积，确定了不同产流面积下的雨水蓄水池经济容积。
On the basis of this fact, through analysing mechanism of runoff yield in the watershed, we build up a model which reflects excess infiltration and excess storage simultaneously.
在分析流域产流机制基础上，建立了一个能同时反映超渗产流和蓄满产流作用的流域超渗—蓄满兼容产流模型。
New theory, methods and current trends produced by runoff yield and runoff in small watersheds in combination with remote sensing to apply to practical engineering are introduced.
流域产汇流模型和遥感技术相结合应用到具体工程实践所产生的新的理论技术和研究方向作了分析。
Theoretical basis to construct the models of runoff yield and runoff is explored. Runoff unit hand method corresponding to physical characters and water flow mechanism is studied.
重点是对流域产流模型结构建立的理论基础分析，流域汇流的单位线方法和流域的实际物理特性和水流运动的内部机制之间的对应关系的分析。
Runoff yield and flood peak are larger when the rain center is near the outlet of watershed under the natural environment, but it is not necessarily under the human activities environment.
在自然条件下，降雨集中、强度大、历时短、暴雨中心靠近流域出口，洪峰流量就会比较大，反之则小，但在人类活动影响下则不一定产生这样的结果。
It is worthy to study whether making technique scheme of tour gauging has an influence on the parameters of runoff yield and flow concentration in small catchment, and how big the influence is.
水文巡测技术方案的制定对小流域产汇流参数是否存在影响，影响有多大，同样具有一定的研究价值。
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。
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；
Runoff and silt regulating rate in the times rainfall and the crop yield when used the different regulating measures;
应用定位田间试验的方法，研究了不同耕作方式和秸秆还田方式对作物产量和土壤理化性质的影响。
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。
Leves trench tillage can retain runoff, decrease soil wash and nutrient loss, increase utilization rate of soil water, and further increase crops yield.
水平沟能够显著地拦蓄径流，减少土壤冲刷和养分流失，提高土壤水分利用率，进而提高作物单产。
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。
Slope sediment yield is under the impact of rainfall intensity, the change rules are similar to the runoff dynamic changes.
坡面产沙同样受降雨强度的影响，其变化规律同坡面产流的规律类似。
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 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。
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。
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。
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