The second is wide application. The model may be used other cities in arid area of northwest China.
本文是国家自然科学基金项目“西北干旱区域城市水环境极限承载力研究”的一部分。
The oasis agriculture appears the special characters due to the eco - environment characters of arid area of northwest region.
西北干旱区内陆绿洲的主要生态环境特点，导致其特殊的农业特点；
In the arid area of Northwest China, the whole ecological environment is very vulnerable, and water is an important factor for the sustainment of the oasis ecological environment.
在西北干旱地区，整个生态环境非常脆弱，而水又是维系绿洲区生态环境的重要保证。
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%。
The seepage of irrigation water is an important source of groundwater in the irrigated farm region of arid area Northwest China.
西北干旱地带农业区的灌溉水入渗是地下水补给的重要途径。
Based on the basic principle of the HBV conceptual hydrological model, a hydrological model of the mountainous watersheds in the arid inland area of northwest China was developed by the authors.
根据HBV水文模型的基本原理，建立了西北干旱区内陆河出山径流概念性水文模型。
Drought and water shortage is the main limiting factor on the arid-area of agricultural production in the Northwest Loess Plateau.
干旱和缺水是中国西北黄土高原农业旱作粮食生产区的主要限制因子。
Drought and water shortage is the main limiting factor on the arid-area of agricultural production in the Northwest Loess Plateau.
干旱和缺水是中国西北黄土高原农业旱作粮食生产区的主要限制因子。
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