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Article Navigation >  Acta Sedimentologica Sinica  > 2003  >  21(3): 487-494

LI Yu-zhong, CHEN Shen-liang. 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.
Citation: LI Yu-zhong, CHEN Shen-liang. 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.
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Application of System Cluster Analysis to Classification of Modern Sedimentary Environment———A Case Study in Qiqu Archipelago Area

  • State Key Laboratory of Estuarine & Coastal Research, East China Normal University, Shanghai 200062

  • Received Date: 2002-07-09
  • Rev Recd Date: 2002-09-11
  • Publish Date: 2003-09-10
  • By system cluster analysis on sorting coefficient, percentage of sand and clay i n modern sediments, The modern sedimentary environment in Qiqu Archipelago area can be well classified into three types of sub-environments, which are in line with the environmental features there. In addition to hydrodynamic function, sediment ary environment is strongly affected by material sources and topography. Among 3 factors by which sedimentary environment is well classified, the factor of perc entage of sand is the variable which is most significantly affected by material sources, and sorting coefficient is the parameter which is most sensible to the reciprocal functions between currents and topography. The sensibility of skewnes s to variation of sedimentary environment is finite. Kurtosis can hardly be used to classify sedimentary environment. Particular hydrodynamic condition should b e also taken into account.
  • [1] Friedman G M. Dynamic processes and statistical parameters compared of the grain-size distribution of beach and river sand[J]. Journal of Sedimentary Petrology,1967, 37: 514～529
    [2] Passega R H. Grain-size representation by CM patterns as a geological tool[J]. Journal of Sedimentary Petrology, 1964, 34: 830～847
    [3] Visher G S. Grain size distributions and depositional processes[J]. Journal of Sedimentary Petrology, 1969, 39: 1074～1106
    [4] 佩蒂庄F J. 沉积岩(中译本)[M]. 北京: 石油工业出版社, 1981. 49[Pettijohn F J. Sedimentary rocks[M]. Beijing: Petroleum Industry Press, 1981. 49]
    [5] 刘岫峰. 粒度分析及其在沉积学研究中的应用[A]. 沉积专辑[C]. 成都地质学院沉积岩研究室, 1981. 21～61[Liu Xiufeng. Grain size analyses and its application in sedimentology[A]. In: Sedimentary rocks teaching and researching section of Chengdu Geology University ed. Sedimentology Subject[C]. 1981. 21～61]
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    [7] 陈沈良. 崎岖列岛海区的水文泥沙及其峡道效应[J]. 海洋学报, 2000a, 22(3): 123～131[Chen Shenliang. Hydrodynamics, sediments and strait-channel effects for the Qiqu Archipelago[J]. Acta Oceanologica Sinica, 2000a, 22(3): 123～131]
    [8] 陈沈良. 崎岖列岛海区百年冲淤特征及其原因[J]. 海洋通报, 2000b, 19(1): 58～66 [Chen Shenliang. Erosion and accretion characteristic and their causes in the Qiqu Archipelago in the recent century[J]. Marine Science Bulletin, 2000b, 19(1): 58～66]
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    [10] Folk R L. The distinction between grain size and mineral composition in sedimentary rock nomenclature[J]. Journal of Geology, 1954, 62: 344～359
    [11] 弗里德曼G M,桑德斯J E. 沉积学原理(中译本)[M]. 北京: 科学出版社, 1987. 82～87 [Fridman G M, Sanders J E. Principle of sedimentology (translated in Chinese)[M]. Beijing: Science Press, 1987. 82～87]
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    [14] 邵磊, 李文厚, 袁明生. 吐鲁番-哈密盆地陆源碎屑沉积环境及物源分析[J]. 沉积学报, 1999, 17(3): 435～442 [Shao Lei, Li Wenhou, Yuan Mingsheng. Sedimentary environments and source rock analysis of the Turpan Basin[J]. Acta Sedimentologica Sinica, 1999, 17(3): 435～442]
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  • Received:  2002-07-09
  • Revised:  2002-09-11
  • Published:  2003-09-10

Application of System Cluster Analysis to Classification of Modern Sedimentary Environment———A Case Study in Qiqu Archipelago Area

  • State Key Laboratory of Estuarine & Coastal Research, East China Normal University, Shanghai 200062
  • Received Date: 2002-07-09
  • Rev Recd Date: 2002-09-11
  • Publish Date: 2003-09-10

Abstract: By system cluster analysis on sorting coefficient, percentage of sand and clay i n modern sediments, The modern sedimentary environment in Qiqu Archipelago area can be well classified into three types of sub-environments, which are in line with the environmental features there. In addition to hydrodynamic function, sediment ary environment is strongly affected by material sources and topography. Among 3 factors by which sedimentary environment is well classified, the factor of perc entage of sand is the variable which is most significantly affected by material sources, and sorting coefficient is the parameter which is most sensible to the reciprocal functions between currents and topography. The sensibility of skewnes s to variation of sedimentary environment is finite. Kurtosis can hardly be used to classify sedimentary environment. Particular hydrodynamic condition should b e also taken into account.

LI Yu-zhong, CHEN Shen-liang. 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.
Citation: LI Yu-zhong, CHEN Shen-liang. 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.
shu

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