| 华南弧形海岸岸线形态与地貌发育模式 |
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| 引用本文： | 戴志军,李春初.华南弧形海岸岸线形态与地貌发育模式[J].地理学报(英文版),2004,14(4):473-480. |
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| 作者姓名： | 戴志军 李春初 |
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| 作者单位： | [2]InstituteofEstuarineandCoastalResearch,ZhongshanUniversity,Guangzhou510275,China |
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| 摘 要： | Coastline configuration indexes of 34 typical arc-shaped coasts in South China are investigated by the method of principal component analysis, and meanwhile deposition and geomorphologic features of arc-shaped coast are also analyzed. The results show: (1) The configuration of arc-shaped coast in South China is of the characteristic of variability and complexity. (2) The wave power and the openings of the bay are the decisive factors to result in the changes of the configuration of the arc-shaped coast in South China, however, incidence direction of the wave has no effect on configuration development of the coast. (3) Commonly, geomorphologic modes of the arc-shaped coast system in South China consist of barriers, lagoons and tidal-inlets, and can be divided into four types:the openings of the bay leaning to the east, the openings of the bay leaning to the south, the openings of the bay leaning to the west and the openings of the bay leaning to the north.
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| 关 键 词： | 地貌学 海岸线 沉积学 地理环境 |
| 收稿时间： | 2004-06-20 |
Coastline configuration and geomorphologic development mode of arc-shaped coast in South China |
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| DAI Zhijun,LI Chunchu.Coastline configuration and geomorphologic development mode of arc-shaped coast in South China[J].Journal of Geographical Sciences,2004,14(4):473-480. |
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| Authors: | DAI Zhijun LI Chunchu |
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| Institution: | 1. Institute of Estuarine and Coastal Research, Zhongshan University, Guangzhou 510275, China|;
2. State Key Lab of Estuarine &|Coastal Sediment Dynamic and Morphodynamics, East China Normal University, Shanghai 200062, China |
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| Abstract: | Coastline configuration indexes of 34 typical arc-shaped coasts in South China are investigated by the method of principal component analysis, and meanwhile deposition and geomorphologic features of arc-shaped coast are also analyzed. The results show: (1) The configuration of arc-shaped coast in South China is of the characteristic of variability and complexity. (2) The wave power and the openings of the bay are the decisive factors to result in the changes of the configuration of the arc-shaped coast in South China, however, incidence direction of the wave has no effect on configuration development of the coast. (3) Commonly, geomorphologic modes of the arc-shaped coast system in South China consist of barriers, lagoons and tidal-inlets, and can be divided into four types:the openings of the bay leaning to the east, the openings of the bay leaning to the south, the openings of the bay leaning to the west and the openings of the bay leaning to the north. |
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| Keywords: | coastline configuration geomorphologic mode arc-shaped coast South China principal component analysis |
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