| 曹妃甸老龙沟动力地貌体系及演化 |
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| 引用本文： | 黎刚,孙祝友.曹妃甸老龙沟动力地貌体系及演化[J].海洋地质与第四纪地质,2011(1):11-19. |
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| 作者姓名： | 黎刚 孙祝友 |
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| 作者单位： | 南京大学海岸与海岛开发教育部重点实验室; |
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| 基金项目： | 国家“908”专项(JS908-01-05) |
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| 摘 要： | 老龙沟为典型沙坝-泻湖型潮汐汊道,潮汐汊道地貌结构完整.老龙沟口门处潮流动力最强,发育-20m的深槽.口门内涨潮流三角洲上发育完整的多级水道体系.口门外落潮三角洲止于-11 m水深处.以突起的末端坝为地形标志,落潮主水道偏于落潮三角洲东侧发育,落潮三角洲西侧发育宽缓冲流平台.落潮主水道以落潮流为优势,冲流平台上潮流动力...
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| 关 键 词： | 潮汐汊道 涨落潮三角洲 混合动力 曹妃甸 |
MORPHODYNAMIC SYSTEM AND THE EVOLUTION OF LAOLONGGOU TIDAL INLET |
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| LI Gang,SUN Zhuyou.MORPHODYNAMIC SYSTEM AND THE EVOLUTION OF LAOLONGGOU TIDAL INLET[J].Marine Geology & Quaternary Geology,2011(1):11-19. |
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| Authors: | LI Gang SUN Zhuyou |
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| Institution: | LI Gang,SUN Zhuyou(Key laboratory of Coast and Island Development of the Ministry of Education,Nanjing University,Nanjing 210093,China) |
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| Abstract: | Laolonggou is a typical tidal inlet as a part of the barrier-lagoon system of the north Bohai bay.The threshold of the inlet is 2.1 km wide and over 20m deep,and the maximum flood current or ebb current through the threshold may be over 1 m/s.A dendritic tidal drainage system is well developed on the flood delta with little sediment accumulation.According to the morphology of terminal shoal,the edge of the ebb tidal delta is located around-11 m of water depth.A main ebb tidal passage is developed on the eas... |
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| Keywords: | tidal inlet flood tidal delta ebb tidal delta mixed energy |
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