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Impacts of Three Gorges-Gezhouba reservoir cascade on the heat flux regime of the Yangtze River

机译:三峡葛洲坝水库梯级对长江热通量的影响

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With population increase and economic growth, the thermal regime of the Yangtze River has been altered to some extent by human activities, particularly dam construction. To assess dam-induced alterations in the thermal regime of the Yangtze River quantitatively, this paper selected two key hydrological stations (Yichang and Cuntan stations) below and above the Three Gorges dam, respectively, as case study sites. The whole study periods were divided into three sub-periods by the years when these two reservoirs started to store water. On the basis of a 50 year-long time series of stream temperature, the annual, seasonal, monthly and daily stream heat flux at Cuntan and Yichang in different sub periods were computed and analysed, and the driving forces were explored. The output of the paper could provide references for the assessment of impacts of dam construction on the health and stability of the Yangtze River ecosystem.
机译:随着人口的增加和经济的增长,长江的热力状况在一定程度上已受到人类活动,特别是大坝建设的影响。为了定量评估长江热态中大坝诱发的变化,本文分别选择了三峡大坝下方和上方的两个主要水文站(宜昌和村滩站)作为案例研究地点。根据这两个水库开始蓄水的年份,整个研究时期分为三个子时期。基于50年的河水温度序列,计算并分析了不同时段亚村村和宜昌河水的年,季,月,日流量,并分析了驱动力。本文的研究成果可为评估大坝建设对长江生态系统健康与稳定的影响提供参考。

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