JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI ›› 2014, Vol. 31 ›› Issue (5): 117-122.DOI: 10.3969/j.issn.1001-5485.2014.05.023

• MONOGRAPH ON THE SYMPOSIUM OF RIVERLAKE EVOLUTION AND REGULATIONIN MIDDLE YANGTZE RIVER 10 YEARS AFTER THREE GORGES PROJECT OPERATION • Previous Articles    

Evolvement of Riverbed Near Bank of Dangerous Reach along Jingjiang River Levee after the Impoundment of Three Gorges Reservoir

DUAN Guang-lei, LONG Hui, GUO Man-jiao   

  1. Jingjiang Bureau of Hydrology and Water Resources Survey, Bureau of Hydrology under Changjiang Water Resources Commission, Jingzhou 434020,China
  • Received:2013-11-13 Revised:2014-05-12 Online:2014-05-12 Published:2014-05-12

Abstract: Jingjiang river levee is of great importance for flood control and disaster reduction. According to field data of bank protection during the initial impoundment of Three Gorges Reservoir (TGR), we analyzed the interannual and annual variations and their inducing factors for riverbed near the bank of dangerous reaches after the TGR impoundment. We also summarized the status of dangerous reaches after the TGR impoundment. Three typical bank revetment reaches, Shashi, Yanguan and Haolong, are selected for case study. Research results show that most of the bank slopes were scoured and steepened, the lowest elevation decreased, and the characteristics of riverbed evolvement are not identical in different dangerous reaches along Jingjiang River levee.

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