Impact of human activity on the estuary of the Qiantang River and the reclamation of tidal flats and river regulation |
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| Authors: | Li-Hua Feng Yi-Xin Bao |
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| Institution: | (1) Department of Geography, Zhejiang Normal University, No. 299 Beishan Road, Jinhua, 321004, China;(2) Department of Biology, Zhejiang Normal University, No. 299 Beishan Road, Jinhua, 321004, China |
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| Abstract: | The swing of the main channel of the Qiantang River is controlled by the high-water and low-water changes in the river, as well as the impact of large-scale reclamation of tidal flats. Its evolution in modern times is the result of the combined functions of natural and man-made factors. This paper analyzes the cause of the formation of the South Channel and Xisan Tidal Furrow and proposes the regulation principle of “To regulate the river and reclaim tidal flats by taking the advantage of local topography”. It is suggested to cut off the South Channel and Xisan Tidal Furrow completely to restrict the swing of the main channel and to increase the reclamation area of the tidal flat at the same time. |
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| Keywords: | Qiantang River River channels Human activity Tidal flats River regulation Stream management Oxbows Meanders China |
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