Many academicians regard that the cause of formation of sand - dust storm mainly is the vegetation in hungriness is destroyed 摘要关于沙尘暴的成因，学界大多认为其是近期以来人为破坏荒漠植被的结果。
3.
In addition to the development of hungriness , the water environment has been destroyed greatly in west china . shortage of water resources , water pollution and depravation of water environment have become the bottle - neck which restricts the development of west china 加之荒漠化的不断发展，中国西部水环境已受到严重破坏，水资源短缺、水污染、水环境恶化已成为严重制约广大西部地区经济发展的瓶颈。
4.
The water vapor content , in all , is relatively less over the gobi and hungriness and more over the oasis ; there is " the clothesline effect " which influences the stabilization and development of the oasis at the margin of the oasis or the long and narrow protection forest through the deserts or in the neighborhood of the river and the aqueduct 戈壁沙漠上空水汽含量相对较少，绿洲上空水汽含量相对较大；绿洲边缘或通过沙漠的窄长护林带、河流以及水渠附近，存在着影响绿洲稳定和发展的“晒衣绳效应” 。
