利用修正后的“流域水资源承载力平衡指数(IWSD)”方法，研究了海河流域1960 - 2030年水生态环境状况的变迁过程。

Using a modified method of Index of water Supply and Demand (IWSD), this paper studies the transitional track of water ecosystem in the Hai River Basin from1960to2030.

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从长武县2007年水资源现状出发对县域范围内的用水结构及水资源承载力平衡指数进行计算与分析。

In this paper, the water resources of Changwu County in the year of 2007 is taken as the example, the water resources usage structure and carrying capacity balance index are calculated separately.

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