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引用本文:王 伟,李安春,徐方建,黄 鹏,李 艳.北黄海表层沉积物粒度分布特征及其沉积环境分析.海洋与湖沼,2009,40(5):525-531.
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北黄海表层沉积物粒度分布特征及其沉积环境分析
王 伟, 李安春, 徐方建, 黄 鹏, 李 艳
中国科学院海洋研究所海洋地质与环境重点实验室
摘要:
对北黄海1140 个表层沉积物样品的粒度进行分析, 探讨其分布特征与物源和水动力环境的关系。结果表明, 研究区底质类型主要有泥、粉砂、砂质粉砂、粉砂质砂、砂五种类型, 少数站位含有砾石。研究区东部沉积作用的主控因素是潮流, 西部主要是山东半岛沿岸流。经过本区的黄海暖流限制了山东半岛沿岸流携带的细粒物质向东运移。研究区西部细粒沉积物的粒度分布是不均匀的, 南北是不对称的, 其形成受控于山东半岛沿岸流、黄海暖流和潮流。
关键词:  表层沉积物, 粒度, 沉积环境, 北黄海
DOI:10.11693/hyhz200905001001
分类号:
基金项目:国家908 专项, 1908-01-CJ03 号和国家自然科学基金资助项目, 40776030 号
附件
DISTRIBUTION OF SURFACE SEDIMENTS AND SEDIMENTARY ENVIRONMENT IN THE NORTH YELLOW SEA
WANG Wei, LI An-Chun, XU Fang-Jian, HUANG Peng, LI Yan
Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences
Abstract:
Distribution of 1140 surface sediment samples in the North Yellow Sea was studied for understanding the provenance and the hydrodynamic condition. The samples can be classified into five types in grain size: mud, silt, sandy silt, silty sand, and sand, plus gravel, occasionally. The controlling factor for sediments distribution is the tide in eastern part of the study area, and coastal current off Shandong Peninsula in the western part. The Yellow Sea Warm Current restricts the eastward transport of fine-grade matter carried by Shandong Peninsula coastal current. Distribution of the fine sediments in western part of the study area is uneven, due to a combination effect of the Shandong Peninsula coastal current, the Yellow Sea Warm Current, and tide.
Key words:  Surface sediments, Distribution, Sedimentary environment, the Yellow Sea
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