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为什么河里的水越来越少
更新时间: 2020-09-19 00:00:00  

1、气候的影响,降雨量减少;

2、源头植被减少,蒸发量增大,地表汇集的水量减少;

3、上游有人建水库蓄水,或者人为大量用水;

4、地下水开采过量,潜水面下降,河水下渗补给地下水;

5、西部降水增加,如青藏高原、塔里木盆地都有明显增加。

关键词: 为什么 河里 越来越

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