Impacts of Human Activities on Runoff Change in the Jialing River Basin, China

机译：人类活动对嘉陵江流域径流变化的影响

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In order to analyze the impact of human activities on runoff change, the Jialing River in the upper Yangtze River basin was chosen as a case study and a distributed monthly water balance model—Distributed Time Variant Gain Model (DTVGM) was developed and applied. The application results indicated that the model can simulate monthly runoff well. Then the proposed model was used for assessing the effect of human activities on runoff change in the Jialing River basin. The runoff after 1984 decreased 17.52% than that before 1984. Among them, about 2/3 was caused by human activities and 1/3 by climate changes. So the decreasing trend in the Jialing River discharge is mainly attributed to human activities. The increased water consumption and reservoirs construction are the main influencing factor.

机译：为了分析人类活动对径流变化的影响，以长江流域嘉陵江为例，开发并应用了分布式月水平衡模型-分布式时变增益模型（DTVGM）。应用结果表明，该模型可以较好地模拟月径流。然后将所提出的模型用于评估人类活动对嘉陵江流域径流变化的影响。 1984年之后的径流比1984年之前减少了17.52％。其中，约有2/3是人类活动引起的，而1/3是气候变化引起的。因此，嘉陵江流量的减少趋势主要归因于人类活动。主要的影响因素是用水量增加和水库建设。

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来源
《Flood Forecasting and Water Resources Assessment for IAHS(International Association of Hydrological Sciences)-PUB》|2006年|528-535|共8页
会议地点 Beijing(CN)
作者
Wang Miaolin; Xia Jun; Luo Yisheng; Guan Xuewen; Fu Hua;
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作者单位

Bureau of Hydrology Water Resources Survey of the Upper Yangtze River, Bureau of Hydrology, Yangtze River Water Resources Commission, Chongqing 400014;

Key Lab. Of Water Cycle Related Land Surface Processes, Institute of Geographic Sciences Natural R;

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会议组织
原文格式 PDF
正文语种 eng
中图分类水资源调2查与水利规划;
关键词
climate changes; distributed water balance model; human activities; Jialing River; Time-Variant Gain Model; Yangtze River;

机译：气候变化;分布式水平衡模型；人类活动；嘉陵江时间变量增益模型；扬子江;

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Impacts of Human Activities on Runoff Change in the Jialing River Basin, China

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