风力侵蚀

基于遥感和GIS的中国土壤风力侵蚀研究

Remote Sensing and GIS Based Study on the Soil Wind Erosion in China

对影响土壤风力侵蚀的因子进行空间描述：分别对风场强度、土壤可侵蚀性因子、土壤结层状层状因子和积雪因子进行详细分析。

The description of spatial distributions of factors that influence soil wind erosion .

黄河流域的土壤风力侵蚀

Wind erosion of soil in the Yellow River basin

铁路工程施工期风力侵蚀预测方法研究

Prediction of Wind Erosion during Construction of Railway

中国土壤风力侵蚀空间格局及驱动因子分析

Spatial Distribution of Aeolian Erosion of Soil and Its Driving Factors in China Erosion Corrosion

冀北地区土壤侵蚀以风力侵蚀和水力侵蚀为主。

The main erosion patterns in the north of Hebei province are wind-erosion and hydra-erosion .

风力侵蚀及其预报方法

Wind Erosion and Its Prediction Methods

土壤风力侵蚀研究现状与进展

Progress in Wind Erosion Research

水力侵蚀、风力侵蚀减少、最大洪峰流量降低。

Hydraulic power erode and wind force erode are decreasing , volume of flood peak is lowering .

土壤侵蚀按照作用力类别可分为水力侵蚀、风力侵蚀、冻融侵蚀和重力侵蚀，其中水力侵蚀在我国是最为活跃的侵蚀类型，降雨是造成水力侵蚀的主要动力。

Soil erosion can be classified into waterpower erosion , wind power erosion , freeze thawing erosion and gravitation erosion .

随着在风力侵蚀区交通工程建设的增多，交通线路风力侵蚀问题日益受到关注。

With incremented railway construction in wind erosion areas , the problem of wind erosion of railway construction demand more attentions .

对导致土壤风力侵蚀的原因进行分析，指出风速、土壤干燥度、地表植被指数、土壤质地和坡度是土壤风力侵蚀的重要驱动因子。

Wind speed , soil dryness , NDVI , soil property and land surface slope are the key factors to the soil wind erosion .

克拉玛依地区的土壤侵蚀主要包括水力侵蚀、风力侵蚀、风力水力交错侵蚀等，其中风力水力交错侵蚀面积占总面积的67.8%；

Erosion type includes wind erosion , water erosion and combined wind and water erosion , which accounts for 67.8 % of the total area ;

土壤侵蚀依据外力可分为水力蚀、重力侵蚀、风力侵蚀、冻融侵蚀和人为侵蚀。

According to the external force , soil erosion can be divided into hydraulic erosion , gravitational erosion , wind erosion , freeze-thaw erosion and man-made erosion .

尾矿弃渣风力侵蚀模数最高达160000t/（km2.a），比原地表增加了约800倍。

The modulus of gangue and dregs was 160 000 t / ( km ~ 2 · a ) . It is increased more about 800 times than the original surface .

利用主成份分析方法，建立风力侵蚀动力指数模型。

The method of Principal Component is used to pick up the information included in the five factors , and the Soil Wind Erosion Dynamic Index ( SWEDI ) is established .

迎风坡坡脚粒度成分较粗，这是在风力侵蚀作用下细小砂粒被风力搬运带走、剩下了较粗粒的成分决定的。

The coarse particle size composition at the bottom of windward slope was determined by that the fine sand was carried away by the wind erosion and only coarse component was left .

风力侵蚀与水力侵蚀所占比例分别为48.76%和24.32%。

The results show that the wind erosion and water erosion in Inner Mongolia are still serious , the proportions of the former and the latter are 48.76 % and 24.32 % respectively .

下垫面（土壤、植被、微地貌等）是风力侵蚀发生的基质条件，气候特征（风速、风向等）提供了风水侵蚀发生的动力条件。

The underlying surface ( soil , vegetation , landform etc. ) provides matrix of wind erosion , while climatic conditions ( windspeed , wind , etc. ) are dynamic factors of wind erosion .

水力侵蚀与风力侵蚀强度侵蚀以上所占比例分别为68.39%和48.45%。

Waterpower and wind power erosion accounting for 68.39 % and 48.45 % respectively . So constructing protective forest and returning land for farming to forest and grass are the key measures to prevent soil erosion .

利用遥感与地理信息系统方法对全国土壤风力侵蚀状况进行了宏观调查，建立了全国1∶10万土壤风力侵蚀数据库。

Based on the remote sensing and geographic information system , the spatial distribution of national wide soil erosion of wind are studied , and the 1:100 000 national soil map of wind erosion is made .

在全国范围内，对影响土壤风力侵蚀的主要因子，如：风场强度、土壤含水量、植被覆盖、土壤质地、地表起伏等进行空间分析和基于土壤风力侵蚀的知识挖掘。

The analysis of spatial patterns of factors that affect soil wind erosion , such as wind field intensity , soil water content , vegetation index , soil texture , earth surface slope , is carried out through data mining theories of GIS .

从而揭示出其时两者的气候背景是不同的，前者是干旱寒冷气候作用下的风力的侵蚀、搬运与堆积的产物；

It shows that the two climatic backgrounds then were different .

这两种类型元素在风成沙中呈现的含量低值揭示了其时干旱寒冷气候作用下风力的侵蚀搬运与堆积作用；

The low numerical value distribution of these two types trace elements in the Aeolian sand facies represents erosion and accumulation under wind force during the cold-dry climate .

研究结果表明：（1）根据对研究区风沙运动基本参数的律定结果，研究区在观测时期内风力强劲，侵蚀发生频繁，且主要风向为NW、WNW或者NNW。

The results show as follows . ( 1 ) According to determination results of basic aeolian physical parameter , the main wind direction of research area in observation time is NW , WNW or NNW , wind power of research area in observation time strong and frequent .

柴达木盆地是中央亚细亚的极端干旱盆地之一，风力搬运及侵蚀是该地最为明显的地貌动力。

In a extremely arid basin of Central Asia , the Qaidam Depression , wind transport and corrosion are the strongest geomorphological forces .

长久以来人们就知道树木能提高降雨量，原理就是，树木使大地变得更凉爽，同时减慢风力蒸发和侵蚀，并使叶子上的水汽蒸发到空气中去。

It has long been known that trees enhance rainfall by cooling the land , slowing wind evaporation and erosion , and transpiring water into the sky from their leaves .

堤防对防洪安全和保证人民生命财产安全具有重要意义，长江中下游堤防侵蚀主要有水力侵蚀、重力侵蚀、生物潜蚀和风力&水力侵蚀。

It is a great significance for dike to ensure the safety of flood control , the people 's life and properties . The main forms and harmfulness of dike erosion in the lower and middle reaches of Changjiang river are summarized .