| 九龙江河口区现代沉积环境及其物质输运趋势 |
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| 引用本文： | 方建勇,陈坚,王爱军,李东义,黄财宾.九龙江河口区现代沉积环境及其物质输运趋势[J].海洋地质与第四纪地质,2010(2). |
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| 作者姓名： | 方建勇 陈坚 王爱军 李东义 黄财宾 |
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| 作者单位： | 国家海洋局第三海洋研究所; |
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| 基金项目： | 国家海洋局第三海洋研究所基本科研业务费专项资金项目(海三科2008003);;海洋公益性行业科研专项经费项目(200805064) |
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| 摘 要： | 对九龙江河口区58个表层沉积物样品进行了激光粒度分析,并分别应用系统聚类分析和GSTA模型分析,探讨了研究区的沉积特征、沉积环境和表层沉积物输运趋势。结果表明,九龙江河口区表层沉积物由10种沉积物类型组成,与20世纪80年代相比,该海区底质沉积物在类型分布和粒径粗细上发生了一定的变化;将研究区划分为3种与沉积动力特征相对应的主要沉积环境区;表层沉积物输运趋势因受该区特殊的地形和复杂的水动力条件影响而表现为北进南出,海门岛西北海域形成逆时针方向输运趋势,而海门岛以东海域形成三向汇聚的输运趋势。
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| 关 键 词： | 现代沉积环境 粒度参数 粒径趋势分析 九龙江河口 |
THE MODERN SEDIMENTARY ENVIRONMENT AND TRANSPORT TRENDS IN JIULONGJIANG ESTUARY |
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| FANG Jianyong,CHEN Jian,WANG Aijun,LI Dongyi,HUANG Caibin.THE MODERN SEDIMENTARY ENVIRONMENT AND TRANSPORT TRENDS IN JIULONGJIANG ESTUARY[J].Marine Geology & Quaternary Geology,2010(2). |
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| Authors: | FANG Jianyong CHEN Jian WANG Aijun LI Dongyi HUANG Caibin |
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| Institution: | Third Institute of Oceanography;SOA;Xiamen 361005;China |
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| Abstract: | 58 surface sediment samples from the Jiulongjiang estuary were analysed by laser particle sizer.Hierarchical clustering and GSTA model were respectively applied to the analyse.The sedimentary characteristics and environments and migration trends of surface sediments in the study area were discussed.The results show that surface sediments are made up of 10 kinds of sediment types in Jiulongjiang estuary,compared those in 1980's.The sediment type distributions and grain sizes have changed.The study area was d... |
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| Keywords: | modern sedimentary environment grain size parameters grain size trends Jiulongjiang estuary |
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