| 连云港近岸海域沉积物粒度空间分布特征及其分析 |
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| 引用本文： | 张存勇,冯秀丽.连云港近岸海域沉积物粒度空间分布特征及其分析[J].海洋学报,2009,31(4):120-127. |
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| 作者姓名： | 张存勇 冯秀丽 |
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| 作者单位： | 1.淮海工学院, 测绘工程学院, 江苏连云港 222001;中国海洋大学, 海洋地球科学学院, 山东青岛 266100 |
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| 基金项目： | 江苏省高校自然科学基础研究资助项目 |
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| 摘 要： | 连云港近岸海域沉积物的粒度在空间上具有"近岸细、远岸粗"的分布特征.为了探讨粒度的这种空间分布特征,利用端元分析模型和多变量分析方法对108个底质样品粒度特征进行了分析,结果表明,可以把连云港近岸海域沉积物划分为具有一定动力意义的3个粒级组,它们代表不同能量环境下形成的沉积物:潮流沉积、潮流-波浪混合沉积和波浪沉积,这些沉积物对应于前三角洲沉积物、动力改造沉积物以及原地海滩沉积物.
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| 关 键 词： | 连云港 近岸海域 沉积物粒度 |
| 收稿时间： | 2008/10/10 0:00:00 |
| 修稿时间： | 2009/2/20 0:00:00 |
The spatial distribution and analysis about the grain-size of sediments in the Lianyungang nearshore sea area |
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| ZHANG Cun-yong and FENG Xiu-li.The spatial distribution and analysis about the grain-size of sediments in the Lianyungang nearshore sea area[J].Acta Oceanologica Sinica (in Chinese),2009,31(4):120-127. |
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| Authors: | ZHANG Cun-yong and FENG Xiu-li |
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| Institution: | 1.School of Geodesy & Geometics Engineering, Huaihai Institute of Technology, Lianyungang 222001, China;College of Marine Geosciences, Ocean University of China, Qingdao 266100, China2.College of Marine Geosciences, Ocean University of China, Qingdao 266100, China |
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| Abstract: | Spatial distribution characteristics of grain-size being "fine in nearshore,but coarse in offshore" have been found along the Lianyungang coastal zone.For discussing this distribution,108 samples collected from this region were analyzed with the end-member analysis model and the multivariables analysis method.Results show that the sediment along the Lianyung ang coastal zone can be divided into three grain-size groups with certain dynamic significance,corresponding to the sediment of prodelta,the dynamo-reworking sediment,and the sediment of in situ deposited on sedentary beach,which deposit under different environments,i.e.,depositional environments of tidal current,wave and both of them. |
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| Keywords: | Lianyungang coastal zone grain-size |
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