细沟

结果表明坡面土壤侵蚀的发生具有一定的临界能量条件，当径流能耗大于7.38（J）时坡面开始有细沟侵蚀发生。

The rill erosion occurred when the energy consumption exceed 7.38 ( J )?

雨强增至1.14mm/min时，10m小区发生了细沟侵蚀；

When the rainfall intensity is increased to 1.14mm / min , rill erosion occurs on the 10m long plot ;

应用REE示踪法研究细沟流净剥蚀率

Study of detachment rate in rills with the REE tracing method

黄土坡面细沟侵蚀过程的REE示踪

The REE Tracer Method for the Study of Rill Erosion Process on Loess Sloping Surface

覆盖PAM后，细沟发育的临界坡长增加，且PAM覆盖度越大，发生细沟侵蚀的临界坡长越长。

The critical slope length increases when covered with PAM , and the bigger PAM coverage , the longer the critical slope length .

研究了极细沟道NMOSFET器件的随机电报信号噪声（RTS）的特征。

Random telegraph signals ( RTSs ) in NMOSFETs with ultra narrow channels was investigated .

WEPP模型中细沟可蚀性参数估计方法误差的理论分析

Theoretical analysis of estimation error of soil erodibility for rill erosion in WEPP model

WEPP细沟剥蚀率模型正确性的理论分析与实验验证

Theoretical analysis and experimental verification of the detachment rate equation of rill erosion in WEPP

基于土壤侵蚀REE示踪法的技术需要，对全坡长小区细沟侵蚀垂直分布特征进行了分析研究。

Based on the need of soil erosion rare earth element ( REE ) tracer method , the rill erosion spatial characteristic was researched on the field plot .

细沟剥蚀土粒随着细沟股流中含沙量的增加而减少，这一概念已在一些侵蚀模型（如WEPP）中得到应用。

Soil detachment from rill bed decreases with increase in sediment concentration in the flow , as many erosion models such as WEPP suggested .

土壤可蚀性参数是WEPP模型中计算预报/计算细沟土壤侵蚀中极其重要的参数。

Soil erodibility for rill erosion is a very important parameter for soil erosion prediction with Water Erosion Prediction Project ( WEPP ) model .

当坡面细沟水流平均深度小于6mm时，在细沟内同时进行水流侵蚀和降雨溅蚀的计算。

Both runoff erosion and splash erosion in rills is calculated at the same time when its runoff is less then 6 mm .

介绍了稀土元素（REE）示踪和中子活化分析（NAA）方法在土壤侵蚀研究方面的原理和方法，并用该方法对细沟侵蚀过程进行了初步研究。

Based on the principle and method of rare earth elements ( REE ) tracer and NAA for the study of soil erosion , the changeable process of rill erosion on loess sloping surface was researched in runoff scouring experiments .

5m的GPS测量间距是长江上游地区描述地形的理想尺度，可以满足切沟和冲沟研究的需要。当研究对象为细沟、浅沟时，应选择3m及3m以下的测量间距。

A GPS-survey scale of 5 m grid is suitable for assessment of gully erosion whereas a 3 or less than 3 m GPS-survey scale can meet with study needs of rills and shallow gullies in the upper Yangtze River basin ;

基于物理过程基础上的WEPP土壤水蚀预报模型将坡面侵蚀分为细沟侵蚀和细沟间侵蚀，建立了独立的细沟间模型和细沟模型。

WEPP ( Water Erosion Prediction Project ), a physical-process-based soil erosion prediction model partitions the hillslope soil erosion into rill erosion and inter-rill erosion , with independent prediction models .

在降雨强度为50mm/h的条件下，在降雨10min后，在坡面初步形成细沟时，用电解质脉冲法对4种坡度的水流速度进行了测量。

Four types flow velocity are measured using electrolyte pulse method while rills are formed at slope , and when it rain for 10 minutes with intensity of 50 mm / h.

通过间隔为11h的二次人工模拟降雨和冲蚀槽试验研究了10种土壤的侵蚀过程，发现在第2次降雨中大多数土壤出现了细沟侵蚀形式。

The erosion processes of 10 kinds of soil were studied with the experimental erosion slots and 2 artificial rainfalls with an interval of 11 hours .

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 .

适时的翻耕后，对照组的细沟侵蚀发生时间要晚于黄花菜植物篱处理的发生时间；从坡上至坡下表层0～5cm土壤的临界含水量有逐渐增加的趋势。

Timely tillage , the control group occurred late in the day lily time to deal with the occurrence of hedgerow time ; from slope to slope the surface of 0 ~ 5 cm of soil water content , there have been critical of the increasing trend .

而种植灌木的褐黄土和料礓石的坡面细沟发育明显、形态变化复杂，细沟最大宽度为18.4cm，最大深度为16.5cm。

However , rills develop obviously and with complex shape on loess and gravel slopes planted with shrubs . The maximum width and depth of rill is 18 . 4 and 16 . 5 cm respectively .

细沟侵蚀中泥沙含量及其粘粒流失量的试验

Experimental Research on Sediment Concentration and Clay Loss in Rill Erosion

侵蚀细沟水力学特性及细沟侵蚀与形态特征的试验研究

Flume experiments for determining rill hydraulic characteristic erosion and rill patterns

坡面细沟侵蚀产沙时空分布规律试验研究

Study on spatial and temporal characters of rill erosion on slope

黄土坡面细沟侵蚀中的水流阻力规律研究

Study of Flow Resistance Law in Rill Erosion on Loess Slope

细沟侵蚀模型是土壤侵蚀预报模型的重要组成部分。

Rill erosion is an important component of hillslope soil erosion .

本文评价了量测细沟侵蚀量的填土法和容积法。

This paper estimates methods of measuring rill erosion amount .

坡耕地细沟侵蚀影响因素的研究

Study on factors affecting rill erosion on cultivated slope land

基于自组织理论的黄土坡面细沟发育特征分析

Characteristics of loess slope evolution based on concept of self-organization

上方来水来沙对细沟水流水力学参数的影响

Effects of Up-Slope Runoff and Sediment on Rill Hydraulic Parameters

确定陡坡细沟侵蚀含沙量的解析方法

Analytic Method for Computing Sediment Concentration in Eroding Rills on Steep Slope