| 中国近岸海区沿岸流和海岸流对沉积物的搬运 |
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| 引用本文： | 薛春汀, 张勇. 中国近岸海区沿岸流和海岸流对沉积物的搬运[J]. 海洋地质与第四纪地质, 2010, 30(1): 1-7. doi: 10.3724/SP.J.1140.2010.01001 |
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| 作者姓名： | 薛春汀 张勇 |
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| 作者单位： | 1 国土资源部 海洋油气资源和环境地质重点实验室, 青岛 266071;;; 2 国土资源部 青岛海洋地质研究所, 青岛 266071 |
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| 基金项目： | 沿海经济带多目标区域地球化学系列图编制(1210820508) |
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| 摘 要： | 中国近岸海区存在两种海流:沿岸流和海岸流。前者是波浪产生的,主要搬运破波带以内的沉积物。后者是中国边缘海环流系统的一部分,位于破波带外,主要搬运粉砂和黏土细粒沉积物。在一些中文文献中两者都称作"沿岸流"。这容易形成概念上的混乱和分析问题上的错误。为了避免混淆,属于边缘海环流系统一部分的"沿岸流"应该称作海岸流,对于具体的"沿岸流"如"渤莱沿岸流"可以直接称呼为渤莱海流。两种海流的方向可以相同、相反或者呈一定角度。山东北部海岸沉积物的空间分布明显地受波浪、近岸环流系统(沿岸流、裂流)及海岸流控制。
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| 关 键 词： | 环流 沿岸流 海岸流 沉积物搬运 中国近岸海区 |
| 收稿时间： | 2009-05-12 |
| 修稿时间： | 2009-08-03 |
SEDIMENT TRANSPORTATION OF LONGSHORE CURRENT AND COASTAL CURRENT IN CHINA LITTORAL ZONE |
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| XUE Chunting, ZHANG Yong. SEDIMENT TRANSPORTATION OF LONGSHORE CURRENT AND COASTAL CURRENT IN CHINA LITTORAL ZONE[J]. Marine Geology & Quaternary Geology, 2010, 30(1): 1-7. doi: 10.3724/SP.J.1140.2010.01001 |
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| Authors: | XUE Chunting ZHANG Yong |
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| Affiliation: | 1 Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071, China;;; 2 Qingdao Institute of Marine Geology, Qingdao 266071, China |
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| Abstract: | The zonal sediment distribution in the coastal zone near Yantai (from Penglai to Chucun,Weihai) results from the processes of wave,wave-produced longshore current and coastal current. Sand is distributed from high tidal level to 10 m water depth and mainly controlled by wave and longshore current. And the sediment source is from the coastal land nearby. Sand-silt-clay is mainly distributed in 10~15 m water depth. A part of sediments are the Yellow River derived sediments transported by the coastal current a... |
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| Keywords: | circulation longshore currents coastal currents sediment transportation China littoral zone |
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