除具有巨大的经济效益外，对缓解黄河下游的用水和改善上游的生态环境也有明显的社会和生态效益。
Except the tremendous economical benefit, it can also improve the ecological environment of upstream and mitigate water source in downstream.
城市生态环境用水从城市湖泊环境用水、城市绿化用水、地下水超采恢复用水、城区道路洒水等方面进行分析。
According to analyzing water consumption of urban lake, green Spaces in urban area, recharge of ground water, urban street, calculates urban eco-environmental water consumption.
本文讨论了生态环境用水计算的范畴与方法，提出了生态环境用水研究中值得注意的几个问题。
The paper discusses the category and method of calculation of ecological environment and raises several issues worth being paid attention.
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