OALib Journal期刊
ISSN: 2333-9721
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黄河干流实际来水量不断减少的成因分析
DOI: 10.11821/xb200403001, PP. 323-330
Keywords: 黄河干流,实际来水量,成因分析
Abstract:
20世纪90年代以来,黄河干流实际来水量不断减少,较以往平均来水减少幅度达到了20%~65%不等,黄河下游连年断流。本文基于气候变化(如降水量变化),人类活动(如国民经济用水量不断增加),生态环境(如土地利用的变化)等方面变化特点;根据黄河干流主要水文站的近50年来观测资料,定量地分析黄河干流实际来水量不断减少的数量及其减少的原因。
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