泥沙输移比

水土保持措施对流域泥沙输移比的影响

Effect of erosion control measures on sediment delivery ratio

可见，泥沙输移比的变化是众多因素综合影响的结果。

It suggested that the change of sediment delivery ratio was a result of synthesized influence of many factors .

流域内松散堆积物总体积不超过200万m3，流域的自然泥沙输移比为0.997，接近于1。

In addition , there is at most 2 million m ~ 3 of accumulative deposits in the gully and the natural sediment delivery rate for the gully is 0.997 , which is close to 1 .

山区流域泥沙输移比计算公式

A Calculating Formula of Sediment Delivery Ratio in Mountainous Regions

长江上游泥沙输移比初探

Sediment Delivery Ratio in the Upper Yangtze River

泥沙输移比问题的分析研究

Analysis and Study on Sediment Delivery Ratio

黄土丘陵沟壑区坡面侵蚀泥沙输移比物理模型研究

Calculation Model of the sediment Delivery Ratio on Sloping Land in Gullied Rolling Loess Region

分形自相似原理在建立小流域泥沙输移比模型中的应用

Application on Fractal Character self-similar principle to Construct Statistical Model of Sediment Delivery in Small Watersheds

风沙区河流泥沙输移比远小于1。

The ratio of sediment transportation to movement of rivers in sandy areas is far less than 1 .

黄土塬区坡面及小集水区泥沙输移比变化特征

The Change of the Sediment Delivery Ratio From the Slope and Water-Collected Plot in the Gull Region of Loess Plateau

流域泥沙输移比与流域面积不存在固定的线性关系，其根本原因在于流域面积是度量衡单位，而不是影响因素。

The sediment delivery ratio is not correlative with the river basin area , because which is not a influence factor but a units of measurement .

提出至今所有流域泥沙输移比与流域面积关系其实质都是流域输沙模数与流域面积的关系。

This paper reviews the previous studies on the relationship between sediment delivery ratio and drainage area which reflects essentially the relationship between sediment yield and drainage area .

本文分析了川中丘陵土壤侵蚀的特征及影响因素，探讨了土壤侵蚀与水土流失的关系，以及该地区泥沙输移比的时间变化。

This article analyses characters and causes of soil erosion , deals with the relationship between erosion and water and soil losses and changes of delivery ratio of sediment through time in this region .

泥沙输移比将流域土壤侵蚀量和输沙量很好的联系在一起，长期以来被作为判断流域侵蚀与产沙变化特征的重要因素。

Sediment delivery ratio is a good connection between amount of soil erosion and the sediment discharge . It is a key factor to define the change of erosion and sediment production in a basin .

从长期来看，在治理度达到70%条件下与治理前相比泥沙输移比减小50%左右，治理的效益是十分显著的。

From long term point of view , sediment delivery ratio of a drainage basin with a control degree reaching 70 % can be reduced by around 50 % in contrast to pre control conditions .

利用流域产沙量与流域面积的关系，估算了燕山地区不同岩性流域的侵蚀模数和泥沙输移比。

An estimate of the amount of erosion sediment and delivery ratio from those small drainage basins has been made by establishing a relationship between sediment yield and drainage area and using a " reference drainage basin " .

总之，林地和草地覆盖率的降低、及旱地率与裸地率的增大会导致输沙模数和泥沙输移比增加，甚至可能导致其发生突变。

In brief , the decrease of forest coverage , grassland coverage and the increase of dry land ratio , bare land ratio would drive the increasing or even dramatic change of sediment modulus and SDR of hydrologic station controlled areas .

本文在大量实测资料的基础上，采用成因分析方法建立了黄土地区小流域一次暴雨径流深、产沙量及泥沙输移比公式。

Based on a large amount of field data of erosion and sediment yield in loess zone with different natural and social circumstances , the runoff in depth , the sediment yields and the sediment delivery ratio equations in a small watershed for one storm were derived .

对目前常用的区域土壤侵蚀研究方法分析表明，区域尺度土壤侵蚀方法主要包括区域观测法、观测站点代表法、站点资料函数推广法和泥沙输移比转换法等4种。

The methods of soil erosion research at regional scale are sorted out and analyzed . Regional measurement method , observation stations data using directly , data expansion by equation and converting by sediment delivery ratio are four common kinds of method of soil erosion research at regional scale .