产沙量

且细沟发育程度影响产沙量大小，发育越明显，产沙量相对越大，侵蚀程度越严重。

Moreover , the amount and depth of rill affected quantity of sediment yield . The more obvious of the rill development , the great of the sediment yield , and the more serious of the degree of soil erosion . 3 .

月产沙量与月降雨量和径流量之间具有较好的二元一次线性关系；月产输沙量与月降雨量和月径流量单因子之间，具有较好的幂函数关系。

In the monthly level , there is a binary linear relationship among sediment yield , rainfall and runoff , and the relationship between sediment yield and runoff was a power function . 3 .

3种PAM覆盖度和对照下，降雨强度增大，侵蚀产沙量也增大。

With rain intensity increased , erosion sediment increases for 3 PAM coverage and control .

当农业产值占GDP百分比>40%时，农村人口对土地的压力使得侵蚀产沙量突变式增大。

When the percentage of the agricultural output value to the total GDP is larger than 40 % , sediment yield increases suddenly due to the press of population on the land .

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%。

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 .

中国137Cs研究主要集中于：137Cs本底值、土壤侵蚀量计算模型、土壤侵蚀速率和相对产沙量等几个方面。

The key researches focus on the reference inventory of 137 Cs , the models of soil erosion , erosion rates and relative sediment sources .

侵蚀泥沙中＜0.001mm的粘粒含量随细沟水流流速和细沟侵蚀产沙量的增加而呈增大趋势。

0.05-0.001 mm particle size ( silt ) decreases . Meanwhile , clay content in erosive sediment increases as increase of ru flow velocity and nil sediment delivery .

产沙量与汛期水量有良好的相关关系；

The sediment load and flood season runoff has great correlativity .

流域产沙量预测的神经网络模型

Forecasting Model of Drainage Basin Sediment Yielding Based on Neural Networks

粉煤灰能够减少产沙量。

Fly coal ash could decrease the total sediment .

侵蚀产沙量随着坡度和流量的增加而增加，但坡度较流量对产沙变化的影响更大。

But the slope gradient has greater influence on sediment yield than flow rate .

水蚀风蚀交错带小流域不同地层侵蚀产沙量及其特征

The Watershed Erosion-Sediment Yield and Characteristics of Different Stratum in Water-Wind Erosion Crisscross Region

由示踪方法得到的细沟土壤侵蚀量，在一定坡度和流量下，产沙量随着沟长的增加而增加，但增加的幅度越来越小，且渐趋于一个稳定值。

The sediment yield increases with the increase of slope gradient and flow rate .

黄土高原小流域产沙量计算方法研究；

Studying the calculation of sediment yield from a small watershed in the Loess Plateau .

黄河中游流域地貌形态对流域产沙量的影响

Effect of basin morphology on sediment yield in the middle reaches of the Yellow River

沟间地产沙量占总产沙量的15.86%～20.61%。

Whereas the sediment yield in the intervale only accounts for 15.86 % ~ 20.61 % .

工程措施与耕作措施集成的技术模式的径流量和产沙量在两年的监测均小于常规耕作和单一技术模式。

The integration technology modes of engineering measures and tillage measure decreases runoff and sediment production .

要考虑不同地貌类型区对产沙量的影响。

The affects of different types of geomorphy on sediment yield should also be taken into consideration .

通过人工模拟降雨实验，研究分析了强降雨条件下人为弃土的侵蚀产沙量及侵蚀过程。

Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments .

模型参数少，应用方便，既可计算一次洪水产沙量，又可计算年产沙量。

And a model of the sediment yield from watershed is developed by using the soil erosion formula obtained .

黄河中游流域特性对产沙量与降雨关系影响

Effect of Geographical Characteristics of River Basins on Relation of Sediment Yield and Rainfall in the Middle Yellow River

覆盖度较好的小区的径流深及产沙量较低，在降雨集中的季节保持较高的牧草覆盖度是减少水土流失的重要途径之一。

Keeping herbages at high coverage in rainy season is an important way to reduce water and soil losses .

而黄土在坡度20°时径流含沙量和侵蚀产沙量达到最大值。

When purple slope achieved 25 °, or loess achieved 20 ° the runoff and sediment amount is the biggest .

在上方来水量相同时，上方来水引起坡下方的净细沟侵蚀产沙量S随上方来水含沙量的减少而增加。

The net sediment delivery ( S ) caused by up-slope runoff increases with a decrease of sediment concentration in up-slope runoff .

在次降雨过程中，不同部位侵蚀产沙量随时间而变化，变化趋势复杂。

During single rainfall , the erosive amount at different landform varied with time , and the changes trend was very complex .

产沙量在5～10月份最大，占全年总量的90%以上。

The sediment yield was the largest from May to October , which accounting for more than 90 % of the whole year .

4种固化剂可显著增强黄土坡面抗冲蚀性，减小坡面侵蚀产沙量。

Kinds of soil solidifying agents can remarkably enhance the scouring resistance of loess slop , decrease the erosion sediment yield of slop .

小流域泥沙主要来源于沟谷地，占流域总产沙量的72.4%；

In addition , the sediment came from the gully slope mainly , occupying 72.4 % of the total amount sediment in the watershed .

产沙量与降雨强度的相关系数为0.495，相关性比较显著，说明雨强越大，产沙量越高。

Sediment yield and rainfall intensity related coefficient is 0.495 , correlation notability , the sediment yield is increased as the rainfall intensity increased .

在野外利用人工模拟降雨试验，分析了20,40,60m坡长下的输沙率、含沙量及累积产沙量&径流量的变化特征。

The characteristics of sediment transport rate , sediment concentration and accumulative sediment-runoff in slope lengths of 20,40,60 m were analyzed based on field simulated rainfall experiments .