THE MODERN SEDIMENTARY ENVIRONMENT AND TRANSPORT TRENDS IN JIULONGJIANG ESTUARY
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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。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 divided into three types of depositional environments corresponding to its sedimentary dynamics properties. The migration trends are affected by the special terrain and complex hydrodynamic conditions of surface sediments as follows:in in the north and out in the south, anti-clockwise migration trends in the northwest of the Haimen Island and convergence in three directions of migration in the area east of the Haimen Island.
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[1] 沈焕庭,朱建荣.论我国海岸带陆海相互作用研究[J].海洋通报,1999,18(6):11-17.
[SHEN Huanting,ZHU Jianrong.The land and ocean interactions in the coastal zone of China[J].Marine Science Bulletin,1999,18(6):11-17.]
[2] Halls J R.Significance of statistical parameters for distinguishing sedimentary environments in New South Wales,Australia[J].Journal of Sedimentary Petrology,1967,37:1059-1069.
[3] Friedman G M.Address of retiring President of the International Association of Sedimentology:Difference in size distributions of populations of particles among sands from various origins[J].Sedimentology,1979,26:3-22.
[4] Pejrup M.The Triangular Diagram Used for Classification of Estuarine Sediments:A New Approach,in Tide-Influenced Sedimentary Environments and Facies Dordrecht D[M].Reidel Publishing Company,1987:298-300.
[5] Shepard F P.Nomenclature basede on sand-silt-clay ratios[J].Journal of Sedimentary Petrology,1954,24:151-158.
[6] Visher G S.Grain size distributions and depositional processes[J].Journal of Sedimentary Petrology,1969,39:1074-1106.
[7] 张富元,章伟艳,杨群慧.南海东部海域沉积物粒度分布特征[J].沉积学报,2003,21(3):452-460.
[ZHANG Fuyuan,ZHANG Weiyan,YANG Qunhui.Characteristics of grain size distributions of surface sediments in the eastern South China Sea[J].Acta Sedimentologica Sinica,2003,21(3):452-460.]
[8] 李玉中,陈沈良.系统聚类分析在现代沉积环境划分中的应用——以崎岖列岛海区为例[J].沉积学报,2003,21(3):487-494.
[LI Yuzhong,CHEN Shenliang.Application of system cluster analysis to classification of modern sedimentary environment:A case study in Qiqu Archipelago Area[J].Acta Sedimentologica Sinica,2003,21(3):487-494.]
[9] 王蒙光,雷怀彦,史跃进.应用因子分析与系统聚类方法划分现代沉积环境——以九龙江河口区为例[J].厦门大学学报:自然科学版,2008,47(3):431-437.
[WANG Mengguang,LEI Huaiyan,SHI Yuejin.Application of factor analysis and system cluster analysis to classification of modern sedimentary environment:A case study in Jiulongjiang Estuary[J].Journal of Xiamen University(Natural Science),2008,47(3):431-437.]
[10] Mclaren P,Bowles D.The cffects of sediment transport on grain-size distributions[J].Journal of Sedimentary Petrology,1985,55:457-470.
[11] Gao S,Collins M B.Net sediment transport patterns inferred from grain-size trends,based upon definition of"transport vectors"[J].Sedimentary Petrology,1992,81(3/4):47-60.
[12] 汪亚平,高抒,贾建军.胶州湾及邻近海域沉积物分布特征和运移趋势[J].地理学报,2000,55(4):449-458.
[WANG Yaping,GAO Shu,JIA Jianjun.Sediment distribution and transport patterns in Jiaozhou Bay and adjoining areas[J].Acta Geographica Sinica,2000,55(4):449-458.]
[13] 王爱军,汪亚平,杨旸.江苏王港潮间带表层沉积物特征及疏运趋势[J].沉积学报,2004,22(1):124-129.
[WANG Aijun,WANG Yaping,YANG Yang.Surface sediment characteristics and transport trends on the Wanggang intertidal flat,Jiangsu Province[J].Acta Sedimentologica Sinica,2004,22(1):124-129.]
[14] McManus J.Nomenclature based on sand-silt-clay ratios[J].Journal of Sedimentary Petrology,1954,24:151-158.
[15] 李桂海,曹志敏,蓝东兆,等.厦门海域现代沉积环境与重金属环境地球化学特征[J].沉积学报,2006,24(6):870-876.
[LI Guihai,CAO Zhimin,LAN Dongzhao,et al Environmental geochemistry characteristics of heavy metals and depositional environment in Xiamen seas[J].Acta Sedimentologica Sinica,2006,24(6):870-876.]
[16] 李伟,王建新.R型聚类分析在确定成矿岩体中的应用——以延边复兴——杜荒岭金矿化集中区为例[J].世界地质,2003,22(2):147-151.
[LI Wei,WANG Jianxin.Application of R title clustering analyses in defining mineralization——related rock body——taking example for gold minerogenetic focus region in fuxing——Duhuangling of Yanbian Area[J].Global Geology,2003,22(2):147-151.]
[17] 张光威.南黄海陆架沉积环境的聚类分析[J].海洋地质与第四纪地质,1993,13(3):67-74.
[ZHANG Guangwei.Cluster analysis of sedimentary environment of the South Yellow Sea shelf[J].Marine Geology and Quaternary Geology,1993,13(3):67-74.]
[18] GAO S,Collins M B.Net sediment transport patterns inferred from grain-size trends,based upon definition of"transport vectors"[J]. Sedimentary Geology,1992,81(3/4):47-60.
[19] 蔡锋,黄敏纷,苏贤泽,等.九龙江河口湾泥沙运移特点与沉积动力机制[J].台湾海峡,1999,18(4):418-424.
[CAI Feng,HUANG Minfen,SU Xianze,et al.Characteristics of silt movement and sedimentary dynamic mechanism in Jiulongjiang Estuary[J].Journal of Oceanography in Taiwan Strait,1999,18(4):418-424.]
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