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长江口及邻近海域现代沉积物中正构烷烃分子组合特征及其对有机碳运移分布的指示

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Keywords: 关键字:正构烷烃,分布曲线,PN断面,运移,沉积格局

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Abstract:

报道了长江口及邻近海域现代沉积物中正构烷烃的浓度及分布特征,通过因子分析法对正构烷烃来源进行了探讨.结果表明,调查站位正构烷烃主要可归纳为3种类型:陆源输入优势型(单峰群)、陆源和海洋内生混合类型(双峰群)和石油类污染类型(单峰型,不具奇偶优势).长江口邻近站位正构烷烃色谱指标的突变,是长江河口区2种不同水团造成沉积物差异的客观反映.除P4外,研究站位总正构烷烃含量(∑n-Alk)与有机碳总量(TOC)相关性良好,且长江口东南-浙江沿岸软泥区正构烷烃的陆源高等植物组分(TER-Alk)、海洋内生组分(PL-1)、奇偶碳优势指数(CPI)等指标与运移距离呈线形关系.在因子分析显示不同来源的4种正购烷烃中,以陆源烷烃输入比重最大(51.5%),在陆源烷烃中又以东海河流物质贡献最大(49.1%);根据因子负荷差异,推测东海北部沉积有机质可能多数来源于苏北沿岸及老黄河口水下三角洲,冲绳海槽区则可能大部分来源于长江及东海内陆架物质,并探讨了其运移机理.

References

[1]  郭志刚,杨作升,陈致林,等.东海陆架泥质区沉积有机质的物源分析[J].地球化学,2001,30(5):416-424
[2]  JAUME S, SALAU I, ROMA T, et al. Input characterization of sedimentary organic contaminants and molecular markers in the northwestern Mediterranean Sea by exploratory data analysis[J]. Environ Sci Technol, 1997, 31(12): 3 482-3 490.
[3]  李春初,雷亚平.全球变化与我国海岸研究问题[J].地球科学进展,1999,14(2):189-192.
[4]  YANAGI T, TAKAHASHI S, HOSHIKA A. Seasonal variation in the transport of suspend matter in the East China Sea[J]. Journal of Oceanography, 1996(5),52: 539-552.
[5]  HU Dun-xin. The role of vertical circulation in sediment dynamics. YE Du-zheng, LIN Hai. China Contribution to Global Change Studies[M]. Beijing: China Science Press, 1995. 168-170.
[6]  胡敦欣,韩舞鹰,章申,等.长江、珠江口及邻近海域陆海相互作用[M].北京:海洋出版社,2001.57-156.
[7]  张兰生.全球变化[M].北京:高等教育出版社,2000.
[8]  MANTOURA R F C, MARTIN J M, WOLLAQST R. Ocean Margin Process in Global Change[M]. Pari:John Wiley and Sons Ltd,1991.
[9]  胡敦欣.东海海洋通量关键过程[M].北京:海洋出版社,2000.
[10]  WANG Shu-lun, CHEN Chen-tung Arthur, HONG Gihoon, et al. Carbon dioxide and related parameters in the East China Sea[J]. Continental Shelf Research, 2000, 20(4-5): 525-544.
[11]  唐运千,徐鲁强,郑士龙,等.东海沉积物中类脂化合物[J].东海海洋,1985,3(1):64-72.
[12]  吴德云,程桂英.我国滨海现代沉积物的有机地球化学特征及其与油气关系的探讨[J].海洋地质与第四纪地质,1984,4(1):1-9.
[13]  张经.中国主要河口的生物地球化学研究[M].北京:海洋出版社,1996.107-132.
[14]  MAZUREK M A, SIMONEIT B R T. Characterization of biologic and petroleum-derived organic matter in aerosols over vemote rural and urban areas in identification and analysis of organic pollutants in air[A]. Keith L H. Ann Arbox Science[M]. Boston: Butlerworth Publisher, 1984. 353-370.
[15]  沈焕庭.长江河口物质通量[M].北京:海洋出版社,2001.
[16]  郭玉洁,杨则禹.长江口悬浮植物的数量变动及生态分析[J].海洋科学集刊,1992,33(2):167-189.
[17]  CARLES P. Terrigenous n-alkane input in the South China Sea: high-resolution records and surface sediments[J]. Chemical Geology,2003(1-2), 200: 89-103.
[18]  TANS P P, FUNGI Y, TAKAHASHI T. Observational constraints on the global atmospheric CO2 budget[J]. Science, 1990,247(4 949): 1 431-1 438.
[19]  段毅,罗斌杰,徐雁前,等.南沙海洋沉积物中生物标志化合物的组成及地化意义[J].海洋与湖沼,1996,27(3):258-263.
[20]  唐运千,史继扬.南海和冲绳海槽沉积物的生物标记化合物[J].热带海洋,1993,12(1):57-63.
[21]  段毅,宋之光,罗斌杰,等.南沙海洋柱状沉积物的有机地球化学研究[J].海洋通报,1996,15(4):42-48.
[22]  叶新荣,朱桂海.海水悬浮物质中脂肪酸的毛细管气相色谱测定[J].海洋与湖沼,1992,23(6):669-676.
[23]  唐运千,郑士龙,刘可文.南海柱状样中生物标记化合物的分布[A].南海海洋沉积作用过程与地球化学研究[M].北京:海洋出版社,1993.136-159.
[24]  中国科学院地球化学研究所有机地球化学与沉积学研究室.有机地球化学[M].北京:科学出版社,1982.
[25]  JOHNSON R W, CALDER J A. Early diagenesis of fatty acids and hydrocarbons in a salt marsh environment[J]. Geochim Cosmochim Acta,1973,37(12):1 943-1 956.
[26]  NING Xiu-ren, LIU Zheng-sheng, LIU zi-lin. Environmental regulation of potential primary production in the Changjiang Estuary[M].Beijing: China Ocean Press, 1990. 150-155.
[27]  胡辉,胡方西.长江河口水系和锋面[J].中国水产科学,1995,2(1):81-90.
[28]  BOULOUBASSI E L, SALIOT A, TOLOSA J M, et al. Carbon source and cycle in the western Mediterranean-the use of molecular markers to determine the origin of organic matter[J]. Deep-Sea Research Ⅱ, 1997, 44(4-5):781-799.
[29]  邓宏文,钱凯.沉积地球化学与环境分析[M].甘肃:甘肃科学技术出版社,1993.
[30]  AMUEL C S, PETER W G, DARREN G R, et al. Distribution of n-alkanes in marine Samples from Southeast Florida[J]. Marine Pollution Bulletin, 1995, 30(1): 83-89.
[31]  金翔龙.东海海洋地质[M].北京:海洋出版社,1992.
[32]  卢冰,潘建明,王自磐,等.北极沉积物中正构烷烃的组合特征及古沉积环境的研究[J].海洋学报,2002,24(6):34-48.
[33]  SHAW P M,JOHNS R B. The identification of organic input sources of sediments from the Santa Catalina Basin using factor analysis[J].Org Geochem, 1986,10(8) : 951-958.
[34]  RADKE M, RULKOTTER J, WRIEND S P. Distribution of naphthalenes in crude oils from the Java Sea: source and maturation effects [J]. Geochim Cosmochim Acta, 1994(18), 58: 3 675-3 689.
[35]  李凡.海岸带陆海相互作用(LOICZ)研究及我们的策略[J].地球科学进展,1996,11(1):19-23.
[36]  WU Y, ZHANG J, LID J, et. Isotope variability of particulate organic matter at the PN section in the East China Sea[J]. Biogeochemistry, 2003, 65(1): 31-49.
[37]  杨作升,郭志刚,王兆祥,等.黄东海陆架悬浮体向其东部深海区输送的宏观格局[J].海洋学报,1992,14(2):81-90.
[38]  ISEKI K M. East China Sea project: particulate flux patterns at the Okinawa Trough[J]. Japanese JGOFS News Letter, 1994, 1: 8-10.

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