【摘 要】
：
The 15 provinces and municipalities in the northern territory of China cover 55 percent of the countrys total area,and its total amount of water resources makes up 19.4 percent of the countrys total.D
【出 处】
：
The Journal of Chinese Geography
论文部分内容阅读
The 15 provinces and municipalities in the northern territory of China cover 55 percent of the countrys total area,and its total amount of water resources makes up 19.4 percent of the countrys total.Due to high silt contents of rivers and great intra
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