| 波控弧形海湾近岸平衡剖面特征分析 |
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| 引用本文： | 陈子燊.波控弧形海湾近岸平衡剖面特征分析[J].热带海洋学报,1996(1). |
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| 作者姓名： | 陈子燊 |
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| 作者单位： | 中山大学河口海岸研究所 |
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| 摘 要： | 应用Ｄｅａｎ，Ｂｏｄｇｅ和Ｌｅｅ近岸平衡剖面模式，对粤东靖海波控弧形海湾两条近岸剖面作了分析对比。结果显示拟合的Ｄｅａｎ模式与实际剖面偏差明显，由Ｂｏｄｇｅ模式计算的四度，北剖面小于南剖面，此与沿岸滩面坡度变化趋势一致，由ｔｅｅ模式拟合的结果导出的波周期与实测值相近。文中讨论了海岸反射性与剖面凹度、剖面变化截止水深与泥沙运动的关系。
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| 关 键 词： | 平衡剖面模式，近岸剖面，四度，反射性，截止水深 |
AN ANALYSIS ON THE CHARACTERISTICS OF EQUILIBRIUM NEARSHORE PROFILE IN A WAVE DOMINATED ARC-SHAPED BAY |
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| Chen Zishen.AN ANALYSIS ON THE CHARACTERISTICS OF EQUILIBRIUM NEARSHORE PROFILE IN A WAVE DOMINATED ARC-SHAPED BAY[J].Journal of Tropical Oceanography,1996(1). |
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| Authors: | Chen Zishen |
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| Abstract: | Two nearshore profiles of a wave dominated arc-shaped bay in Jinhai, eastern Guangdong have been analyzed by using the Dean, Bodge and Lee's equilibrium profile models, respectively. The results showed that the fitted Dean's model departure from the measured profile was obvious. The northern profile concavity calculated according to the Bodge's model w,as less than the southern profile's, which was in accordance with the longshore variation trend of the beachface slopes. The derived wave periods through fitted Lee's model parameters were close to the measured waves. The relations between shore reflectivity and nearshore concavity, and that of the profiles and the movement of sea bed are discussed in this paper. |
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| Keywords: | equilibrium profile models nearshore profiles concavity reflectivity Closure depth |
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