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长江河口潮流界与径流量定量关系研究

侯成程 朱建荣

侯成程, 朱建荣. 长江河口潮流界与径流量定量关系研究[J]. 华东师范大学学报(自然科学版), 2013, (5): 18-26.
引用本文: 侯成程, 朱建荣. 长江河口潮流界与径流量定量关系研究[J]. 华东师范大学学报(自然科学版), 2013, (5): 18-26.
HOU Cheng-cheng, ZHU Jian-rong. Study on the quantitative relationship of the location of the tidal current limit and the river discharge in the Changjiang Estuary[J]. Journal of East China Normal University (Natural Sciences), 2013, (5): 18-26.
Citation: HOU Cheng-cheng, ZHU Jian-rong. Study on the quantitative relationship of the location of the tidal current limit and the river discharge in the Changjiang Estuary[J]. Journal of East China Normal University (Natural Sciences), 2013, (5): 18-26.

长江河口潮流界与径流量定量关系研究

详细信息
  • 中图分类号: P731.2

Study on the quantitative relationship of the location of the tidal current limit and the river discharge in the Changjiang Estuary

  • 摘要: 长江河口是径流、潮流相互作用的潮汐河口,潮汐的变化导致河道水体流态发生改变.本文设计高分辨率数值模式,基于河道断面流量的计算,得出了枯季和洪季不同保证率径流量下的长江潮流界位置.枯季潮流界位于芜湖上游70 km附近的太阳洲和镇江水文站之间,洪季潮流界变化范围在江阴上游太平洲叉道中段至民主沙之间100 km范围内.对不同径流量下潮流界位置的计算结果作多次拟〖JP2〗合,得出枯季潮流界y与径流量x的相关关系为y=-410-10x3+110-5x2-0.193 7x+1 232.9(R2=0.984 2),洪季潮流界y与径流量x的定量关系为y=210-13x3+310-8x2-0.007 4x+359.35(R2=0.996 9).本文结果可为长江潮流界的确定提供科学依据.
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出版历程
  • 收稿日期:  2012-11-01
  • 修回日期:  2013-01-01
  • 刊出日期:  2013-09-25

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