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Studv on Evaporation Variation of Headwater Region of the Yellow River under the Conditions of Global Climate Warm Up
Author(s): 
Pages: 30-31
Year: Issue:  9
Journal: YELLOW RIVER

Keyword:  生态环境人类活动日照百分率蒸发变化气候变暖黄河源区;
Abstract: 对黄河源区近50年来的气候变化特点进行了分析,认为:①在全球气温逐渐变暖的大背景下,黄河源区也出现了气温升高的现象,造成黄河源区蒸散发能力增强,一定程度上造成了河川径流量减少;②黄河源区的土地覆被已经遭受严重破坏,人类活动是造成黄河源区生态环境恶化的主要原因,自然因素也是不可忽视的因素;③气温的变化和蒸发的变化相关性并不明显.
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