| 湛江港潮汐汊道落潮三角洲沉积动力过程 |
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| 引用本文： | 张乔民,郑德延.湛江港潮汐汊道落潮三角洲沉积动力过程[J].地理学报,1995,50(5):421-429. |
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| 作者姓名： | 张乔民 郑德延 |
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| 作者单位： | 中国科学院南海海洋研究所 |
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| 摘 要： | 湛江港是华南海岩规模最大的中潮溺谷湾型潮汊道港湾，口外发育规模巨大、形态典型的落潮三角洲。依据据现场调查资料分析，落潮三角洲具有马蹄形浅滩包围中央深槽的地貌结构，由中心至周边为粗砂至极细砂同心半圆带状分布的表层沉积分布，中央深槽落潮流动力为主，周边浅滩波潮流动力为主的动力场结构。
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| 关 键 词： | 潮汐汊道 落潮 三角洲 沉积动力 湛江港 泥沙 |
A STUDY ON THE SEDIMENT DYNAMICS OF EBB-TIDAL DELTA OF ZHANJIANG HARBOR TIDAL INLET |
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| Zhang Qiaomin,Zheng Deyan,Li Shaoning,Chen Xinshu,Yu Hongping,Li Wei.A STUDY ON THE SEDIMENT DYNAMICS OF EBB-TIDAL DELTA OF ZHANJIANG HARBOR TIDAL INLET[J].Acta Geographica Sinica,1995,50(5):421-429. |
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| Authors: | Zhang Qiaomin Zheng Deyan Li Shaoning Chen Xinshu Yu Hongping Li Wei |
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| Institution: | South China Sea Institute of Oceanology. Academia Sinica. Guangzhou 510301 |
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| Abstract: | Zhanjiang Harbor is the largest tidal inlet along South China coasts and the largest ebb-tidal delta developed in the inlet entrance area. This paper analyzed the basic characteristics of the ebb-tidal delta of Zhanjiang Harbor including the morphological structure (semi-circular shoals around central trough), surface sediment distribution (coarse sand to very fine sand with little silt and clay from center to periphery) and hydrodynamical field structure (ebb tidal current dominant in the main ebb-tidal channel, and wave and flood tidal current domimant in the semi-circular shoals). and discussed the sediment dynamics of the hydrodynamical of ebb-tidal delta, the close interrelation among morphology, sedimentology and hydrodynamics, and the sediment transport pattern of the ebb-tidal delta of Zhanjiang Harbor. |
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| Keywords: | tidal inlets ebb-tidal deltas sediment dynamics Zhanjiang Harbor |
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