南海深水区晚更新世以来沉积速率、沉积通量与物质组成

章伟艳; 张富元; 陈荣华; 张霄宇

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南海深水区晚更新世以来沉积速率、沉积通量与物质组成

章伟艳, 张富元, 陈荣华, 张霄宇

文章导航 > 沉积学报 > 2002 > 20(4): 668-674

章伟艳, 张富元, 陈荣华, 张霄宇. 南海深水区晚更新世以来沉积速率、沉积通量与物质组成[J]. 沉积学报, 2002, 20(4): 668-674.

引用本文:

章伟艳, 张富元, 陈荣华, 张霄宇. 南海深水区晚更新世以来沉积速率、沉积通量与物质组成[J]. 沉积学报, 2002, 20(4): 668-674.

ZHANG Wei yan, ZHANG Fu yuan, CHEN Rong hua, ZHANG Xiao yu. Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea[J]. Acta Sedimentologica Sinica, 2002, 20(4): 668-674.

Citation:

章伟艳, 张富元, 陈荣华, 张霄宇. 南海深水区晚更新世以来沉积速率、沉积通量与物质组成[J]. 沉积学报, 2002, 20(4): 668-674.

引用本文:

章伟艳, 张富元, 陈荣华, 张霄宇. 南海深水区晚更新世以来沉积速率、沉积通量与物质组成[J]. 沉积学报, 2002, 20(4): 668-674.

Citation:

南海深水区晚更新世以来沉积速率、沉积通量与物质组成

1 国家海洋局第二海洋研究所、国家海洋局海底科学重点实验室,杭州,310012;
2 浙江大学地球科学系,杭州,310012

基金项目: “九五”国家专项重大资助项目;国家海洋局青年海洋科学基金资助项目 (批准号 :2001510)

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作者简介:
章伟艳女 1972年出生助理研究员硕士海洋地质

中图分类号: P714⁺.6

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Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea

1 Second Institute of Oceanography,SOA,Key Lab of Submarine Science,SOA, Hangzhou 310012;
2 Department of the Earth Science, Zhejiang University, Hangzhou 310012

摘要

摘要: 通过调查所获得柱样沉积物氧碳同位素测年资料及多学科综合分析表明,晚更新世以来南海沉积速率和沉积通量具有以下几个特征 :(1)总体上为间冰期沉积速率低、冰期沉积速率高,冰期沉积速率是间冰期沉积速率的 1.3～ 1.6倍;(2 )南海沉积速率趋势面分析表明,氧同位素 1期东北陆坡和西南陆坡沉积速率高,氧同位素 2、3期沉积速率分布特征相似,与 1期有所不同,东北陆坡沉积速率高于西南陆坡,表明氧同位素 2期之后,南海的沉积环境发生明显的改变,造成上述沉积速率分布的主要控制因素是南海周围的河流分布、季风、海流等;(3)南海东部沉积通量与物质组成分析表明,末次冰期以来沉积总通量北部陆坡区明显高于深海区,前者是后者 2～ 3倍,并有自北向南逐渐降低的趋势;(4)硅质生物沉积通量冰期明显高于间冰期,末次冰期以来东北部陆坡区的硅质生物沉积通量最高,末次冰期之前恰好相反,深海盆高于陆坡区;(5 )末次冰期以来,陆源沉积约占南海东部海域沉积的 4 4 %以上。
- 南海 /
- 晚更新世 /
- 沉积通量 /
- 沉积速率
Abstract: Based on the integrated study of sediment cores in the South China Sea, the sedimentation rates fea-ture during the Late Pleistocene has been shown. ( 1)On the whole, the rates of glacial stages is 1. 3 ～ 1. 6 timesfor the interglacials. ( 2) T rend analysis on the sedimentation rate is performed, which indicates that the rates of cores during δ¹⁸ O Stage 1 were high in the northeastern and south western continental slope. The features resulted from trend analysis were the main controlling factorsof the river distribution, monsoon and ocean current etc. The sedimentation rates of cores during δ¹⁸ O Stage 2 and 3 were similar, which were different from that of during δ ¹⁸ O Stage 1, only that were high on the northeastern continental slope. So the sediment environment in the South Chi-na Sea was significantly modified after the δ¹⁸ O Stage 2.Based on the study of sediment cores in the Eastern South China Sea, the constituents of the main matter and sedimentation fluxes feature were obtained. ( 1) From the last glacial stage, the sedimentation fluxes on the north- ern continental slope were higher than that of the deep basin. ( 2)The sedimentation fluxes of silicon -organic-sub-stances during the glacial stage were higher than that of the interglacials. ( 3) From the last glacial stage, the ter-rigenous constituents were 44 %above in the abyssal plains sediments.
- South China Sea /
- Late Pleistocene /
- sedimentation fluxes /
- sedimentation rates

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参考文献(17)

[1]	赵泉鸿,汪品先.南海第四纪古海洋学研究进展[J].第四纪研究,1999,6:481～501[Zhao Quanhong, Wang Pinxian. Progress in Quaternary Paleoceanography of the South China Sea:A Review[J].Quaternary Sciences,1999,6:481～501 ]
[2]	汪品先主编.十五万年来的南海[M].上海:同济大学出版社,1995.1～8[Wang Pinxian.The South China Sea from 150,000a[M].Shanghai:Tongji Unviersity Press,1995.1～8 ]
[3]	钱建兴.晚第四纪以来南海古海洋学研究[M].北京:科学出版社,1999.26[Qian Jianxin. A study of Paleoceanography in the South China Sea during the Late Quaternary[M].Beijing:Science Press,1999.26 ]
[4]	郑连福,郭育廷,K Winn等.南海北部晚第四纪碳酸盐旋回及其地层学意义[A]. 见:南海海洋沉积作用过程与地球化学研究[C].北京:海洋出版社,1993.109～123[Zheng Lianfu, Ke Jingtang, Kyaw Winn, Peter Sooffers. Carbonate sedimentation cycles in the Northern South China Sea during the late Quaternary[A]. In:Study of Marine sedimentation and Geochemistry in the northern South China Sea[C].Beijing:Ocean Press, 1993.109～123]
[5]	章伟艳,张富元,马维林. 东太平洋多金属结核分布的二维趋势面分析[J].东海海洋,2001,19(1):27～34[Zhang Weiyan, Zhang Fuyuan, Ma Weilin. Two-dimensional trend analysis of the distribution of polymetallic nodules in the Eastern Pacific[J]. Donghai Marine Science,2001,19(1):27～34]
[6]	Nittouer C A, Wright L D. Transport of particles across continental shelves[J]. Review Geophysics. 1994,32(1):85～113
[7]	李乃胜,赵松龄,鲍.瓦西里耶夫著.西太平洋边缘海地质[M].哈尔滨:黑龙江教育出版社,2001.62～68,507[Li Naisheng, Zhao Songling, Boris Wasilie. Geology of marginal seas in the northwest Pacific[M]. Ha'erbin: Heilongjiang Education Press, 2001. 62～68,507 ]
[8]	魏菊英,王关玉.同位素地球化学[M].北京:地质出版社,1984.225[Wei Juying,Wang Guanyu. Isotope Geochemistry[M].Beijing:Geological Publishing House,1984.225 ]
[9]	中国自然地理编委会.中国自然地理(地表水)[M].北京:科学出版社,1981.185[Physical geography editor committee in China. Physical geography in China ( surface water)[M].Beijing:Science Press,1981.185 ]
[10]	Millian J D,Meade R H. World-wide delivery of river sediment to the ocean[J]. Journal of Geology, 1983,91(1):1～21
[11]	冯文科,薛万俊,杨达源著.南海北部晚第四纪地质环境[J].广州:广东科学出版社,1988.147[Feng Wenke,Xue Wanjun,Yang Dayuan. The geological environment of late Quaternary in the northern South China Sea[J].Guangzhou:Guangdong Science and Technology Press,1988.147 ]
[12]	黄维,汪品先.末次冰期以来南海深水区的沉积速率[J].中国科学(D辑),1998,28(1):13～17[Huang Wei,Wang Pinxian. Sedimentation rates of deep water areas from the late glaciation in the South China Sea[J]. Science in Chnia(D),1998,28(1):13～17]
[13]	Pinxian Wang. Response of western Pacific marginal seas to glacial cycles: paleoceanographic and sedimentological features[J]. Marine Geology,1999,156:5～39
[14]	陈木宏,蔡慧梅,涂霞等.南沙群岛及邻近海区的微体生物与环境研究[J].科学通报,1997,42(11):1 121～1 128[Chen Muhong,Cai Huimei,Tu Xia, et al. Study on the microbiology and environment of Nansha islands and adjacent sea area[J].Chinese Science Bulletin, 1997,42(11):1 121～1 128]
[15]	Wang P X, Wang L J, Bian Y H, et al.Late Quaternary paleoceangraphy of the South China Sea:surface circulation and carbonate cycles[J].Marine Geology, 1995, 127: 145～165
[16]	陈文斌,徐鲁强, Jennerjahn T C.南海北部颗粒通量的研究[A].见:南海海洋沉积作用过程与地球化学研究[C].北京:海洋出版社,1993.191～201[Chen Wenbin,Xu Luqiang, Jennerjahn T C.A preliminary study of the particle flux in the northern South China Sea[A]. In:Study of Marine sedimentation and Geochemistry in the northern South China Sea[C].Beijing:Ocean Press, 1993.191～201]
[17]	魏国彦,李孟扬,段威武等.南海东北部末次冰期-全新世古海洋学[J].海洋地质与第四纪地质,1999,19(3):19～27[Wei Guoyang, Lee Mengyang, Duan Weiwu, et al.Late glaciation-Holocene Paleo ceanography of the northeastern South China Sea[J].:Core RC-26.Marine Geology & Quaternary Geology,1999,19(3):19～27]

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南海深水区晚更新世以来沉积速率、沉积通量与物质组成

1 国家海洋局第二海洋研究所、国家海洋局海底科学重点实验室,杭州,310012;

2 浙江大学地球科学系,杭州,310012

基金项目: “九五”国家专项重大资助项目;国家海洋局青年海洋科学基金资助项目 (批准号 :2001510)

作者简介:
章伟艳女 1972年出生助理研究员硕士海洋地质

收稿日期: 2001-12-20
修回日期: 2002-04-05

中图分类号: P714⁺.6

关键词:

南海 /

晚更新世 /

沉积通量 /

沉积速率

摘要: 通过调查所获得柱样沉积物氧碳同位素测年资料及多学科综合分析表明,晚更新世以来南海沉积速率和沉积通量具有以下几个特征 :(1)总体上为间冰期沉积速率低、冰期沉积速率高,冰期沉积速率是间冰期沉积速率的 1.3～ 1.6倍;(2 )南海沉积速率趋势面分析表明,氧同位素 1期东北陆坡和西南陆坡沉积速率高,氧同位素 2、3期沉积速率分布特征相似,与 1期有所不同,东北陆坡沉积速率高于西南陆坡,表明氧同位素 2期之后,南海的沉积环境发生明显的改变,造成上述沉积速率分布的主要控制因素是南海周围的河流分布、季风、海流等;(3)南海东部沉积通量与物质组成分析表明,末次冰期以来沉积总通量北部陆坡区明显高于深海区,前者是后者 2～ 3倍,并有自北向南逐渐降低的趋势;(4)硅质生物沉积通量冰期明显高于间冰期,末次冰期以来东北部陆坡区的硅质生物沉积通量最高,末次冰期之前恰好相反,深海盆高于陆坡区;(5 )末次冰期以来,陆源沉积约占南海东部海域沉积的 4 4 %以上。

English Abstract

Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea

1 Second Institute of Oceanography,SOA,Key Lab of Submarine Science,SOA, Hangzhou 310012;

2 Department of the Earth Science, Zhejiang University, Hangzhou 310012

Received Date: 2001-12-20
Rev Recd Date: 2002-04-05

Keywords:

Abstract: Based on the integrated study of sediment cores in the South China Sea, the sedimentation rates fea-ture during the Late Pleistocene has been shown. ( 1)On the whole, the rates of glacial stages is 1. 3 ～ 1. 6 timesfor the interglacials. ( 2) T rend analysis on the sedimentation rate is performed, which indicates that the rates of cores during δ¹⁸ O Stage 1 were high in the northeastern and south western continental slope. The features resulted from trend analysis were the main controlling factorsof the river distribution, monsoon and ocean current etc. The sedimentation rates of cores during δ¹⁸ O Stage 2 and 3 were similar, which were different from that of during δ ¹⁸ O Stage 1, only that were high on the northeastern continental slope. So the sediment environment in the South Chi-na Sea was significantly modified after the δ¹⁸ O Stage 2.Based on the study of sediment cores in the Eastern South China Sea, the constituents of the main matter and sedimentation fluxes feature were obtained. ( 1) From the last glacial stage, the sedimentation fluxes on the north- ern continental slope were higher than that of the deep basin. ( 2)The sedimentation fluxes of silicon -organic-sub-stances during the glacial stage were higher than that of the interglacials. ( 3) From the last glacial stage, the ter-rigenous constituents were 44 %above in the abyssal plains sediments.

章伟艳, 张富元, 陈荣华, 张霄宇. 南海深水区晚更新世以来沉积速率、沉积通量与物质组成[J]. 沉积学报, 2002, 20(4): 668-674.

引用本文:

章伟艳, 张富元, 陈荣华, 张霄宇. 南海深水区晚更新世以来沉积速率、沉积通量与物质组成[J]. 沉积学报, 2002, 20(4): 668-674.

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南海深水区晚更新世以来沉积速率、沉积通量与物质组成

作者简介:
章伟艳女 1972年出生助理研究员硕士海洋地质

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Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea

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南海深水区晚更新世以来沉积速率、沉积通量与物质组成

1 国家海洋局第二海洋研究所、国家海洋局海底科学重点实验室,杭州,310012;

2 浙江大学地球科学系,杭州,310012

作者简介:
章伟艳女 1972年出生助理研究员硕士海洋地质

English Abstract

Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea

1 Second Institute of Oceanography,SOA,Key Lab of Submarine Science,SOA, Hangzhou 310012;

2 Department of the Earth Science, Zhejiang University, Hangzhou 310012

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[1]	李忠. “从最高到最深”—从第17届国际沉积学大会看沉积学研究前沿 . 沉积学报, 2006, (6): 928-933.
[2]	李忠. “从最高到最深”—从第17届国际沉积学大会看沉积学研究前沿 . 沉积学报, 2006, 24(06): 928-933.

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南海深水区晚更新世以来沉积速率、沉积通量与物质组成

作者简介: 章伟艳 女 1972年出生 助理研究员 硕士 海洋地质

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Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea

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出版历程

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南海深水区晚更新世以来沉积速率、沉积通量与物质组成

1 国家海洋局第二海洋研究所、国家海洋局海底科学重点实验室,杭州,310012; 2 浙江大学地球科学系,杭州,310012

作者简介: 章伟艳 女 1972年出生 助理研究员 硕士 海洋地质

English Abstract

Constituents of Matter and Sedimentation Fluxes and Sedimentation Rates of Deep-water Sedimentation during the Late Pleistocene in the South China Sea

1 Second Institute of Oceanography,SOA,Key Lab of Submarine Science,SOA, Hangzhou 310012; 2 Department of the Earth Science, Zhejiang University, Hangzhou 310012

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作者简介:
章伟艳女 1972年出生助理研究员硕士海洋地质

1 国家海洋局第二海洋研究所、国家海洋局海底科学重点实验室,杭州,310012;

2 浙江大学地球科学系,杭州,310012

作者简介:
章伟艳女 1972年出生助理研究员硕士海洋地质

1 Second Institute of Oceanography,SOA,Key Lab of Submarine Science,SOA, Hangzhou 310012;

2 Department of the Earth Science, Zhejiang University, Hangzhou 310012