| 闽江口水域浑浊带划分的遥感分析 |
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| 引用本文： | 窦亚伟,林敏基.闽江口水域浑浊带划分的遥感分析[J].台湾海峡,1991,10(4):321-326. |
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| 作者姓名： | 窦亚伟 林敏基 |
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| 作者单位： | 国家海洋局第三海洋研究所,国家海洋局第三海洋研究所 厦门 361005,厦门 361005 |
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| 摘 要： | 本文以10幅1975～1987年闽江口表层悬浮泥沙遥感定量分布圈为主要依据,对闽江口浑浊带进行划分。结果表明,它可划分为高浑浊带、中浑浊带(变化浑浊带)和低浑浊带,反映了潮控河口表层悬浮泥沙依潮相的周期性变化、随潮位的瞬时变化、受控于径流作用的季节性变化以及波浪效应、近海水系牵动和水下地形制约的含量变化。闽江口内、外拦门沙主体处于变化浑浊带,水体中的泥沙负载常显现“不饱和”状态,为拦门沙的治理提供了有利的条件。
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| 关 键 词： | 闽江口 水域 浑浊带 泥沙 遥感 |
Division on turbid zones in the Minjiang Estuary by remote sensing analysis |
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| Dou Yawei and Lin Minji.Division on turbid zones in the Minjiang Estuary by remote sensing analysis[J].Journal of Oceanography In Taiwan Strait,1991,10(4):321-326. |
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| Authors: | Dou Yawei and Lin Minji |
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| Abstract: | Ten maps of the quantitative distribution of the suspended silt are provided as the bases for dividing the turbid zones in the Minjiang Estuary based on the remote sensing analysis. The turbid water mass in the Minjiang Estuary is divided into the high, medium(variable) and low turbid zones, reflecting the quantitative variability of the surface suspended silt from the periodic change with the tidal facies and the instantaneous change with the tidal levels in the estuary under tidal control, the seasonal change of the runoff action, the wave effect, the effect of the inshore currents and the restricting by the submarine topography. The synthetical division used multi-images and the division of the relative consistenee for the turbid water mass in the estuary contribute to explain the moving patterns of surface suspended silt in the Minjiang Estuary and its conditions to be controlled. The main body of the Inner and Outer Bar in the Minjiang Estuary are located in the varialbe turbid zone, and the silt load in the water body usually shows a "unsaturated" state, creating a favourable condition for the harness of the bars. |
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| Keywords: | Turbid zones suspended silt remote sensing Fujian |
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