The arid northwest China is an undeveloped area in economy, being rich in mineral resources but shortage in water resources due to sparse rainfall and intense evaporation.
我国西北地区降水稀少，蒸发强烈，水资源贫乏，是矿产资源富饶的缺水贫困区。
The paper aims to analyze coupling effects between water resources change and urbanization process in arid area of Hexi corridor of Gansu province in Northwest China.
本文以西北干旱区的甘肃河西走廊为例，分析了水资源变化与城市化过程的交互耦合效应。
Northwest of China, whose area accounts for 38 percent of the total, is one of the typical arid and semi-arid zone in the world.
我国西北地区是世界上典型的干旱半干旱地区之一，占国土面积的38%。
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