| 弧形海岸中间过渡带海滩剖面的地貌动态分析 |
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| 引用本文： | 陈子燊,李春初.弧形海岸中间过渡带海滩剖面的地貌动态分析[J].海洋科学,1990,14(2):6-12. |
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| 作者姓名： | 陈子燊 李春初 |
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| 作者单位： | 中山大学地理系 广州
(陈子燊)，中山大学地理系 广州(李春初) |
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| 摘 要： |
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| 关 键 词： | 海岸 过渡带 海滩 剖面 地貌 |
| 收稿时间： | 4/1/1989 12:00:00 AM |
ANALYSIS ON GEOMORPHOLOGICAL DYNAMICS OF BEACH PROFILE OF INTERMEDIATE TRANSITIONAL ZONE IN ARC-SHAPED SHORE |
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| Chen Zishen and Li Chunchu.ANALYSIS ON GEOMORPHOLOGICAL DYNAMICS OF BEACH PROFILE OF INTERMEDIATE TRANSITIONAL ZONE IN ARC-SHAPED SHORE[J].Marine Sciences,1990,14(2):6-12. |
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| Authors: | Chen Zishen and Li Chunchu |
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| Abstract: | Based on the repeatly measured profile data, and beach sand samples, morphological features and wave observation, the geomorphological dynamics of beach profile in intermediate transitional zone of the arc-shaped Bay of Shuidong in western Guangdong province was dealt with by statistical methods.The result of R-factor analysis of the profile data extracted three factors which accounted for 90% of the total variance of the original data. The first factor showed that the transformation between the beach berm located in the mid-tidal zone and the subaqueous ridge-tunnel below the low-tidal zone, which represented the most important process of the beach profile. The second factor indicated the effect of the backwash process on the beach profile slope. The third represented the cutting action of typhoon waves in backshore.The result of power spectrum estimation of the beach volume showed about 20 days quasiperiod oscillation of the beach in this zone. The cross spectrum estimation between beach volume and wave energy indicated about 10 days lag in response of this beach to the wave variations. |
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| Keywords: | Arc-shaped bay Geomorphological dynamics Beach profile |
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