珠江口沉积地球化学特征与古环境演化过程

王珊珊; 曹志敏; 兰东兆; 郑志昌

doi:10.3799/dqkx.2010.026

Volume 35 Issue 2

Mar. 2010

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Article Navigation > Earth Science > 2010 > 35(2): 261-267

WANG Shan-shan, CAO Zhi-min, LAN Dong-zhao, ZHENG Zhi-chang, 2010. Geochemical Characteristics of Sediment of Pearl River Estuary and Its Paleoenvironmental Evolution. Earth Science, 35(2): 261-267. doi: 10.3799/dqkx.2010.026

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WANG Shan-shan, CAO Zhi-min, LAN Dong-zhao, ZHENG Zhi-chang, 2010. Geochemical Characteristics of Sediment of Pearl River Estuary and Its Paleoenvironmental Evolution. Earth Science, 35(2): 261-267. doi: 10.3799/dqkx.2010.026

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Geochemical Characteristics of Sediment of Pearl River Estuary and Its Paleoenvironmental Evolution

doi: 10.3799/dqkx.2010.026

1.
Zhejiang Institute of Hydraulics & Estuary, Hangzhou 310020, China
2.
College of Marine Geosciences, Ocean University of China, Qingdao 266100, China
3.
Third Institute of Oceanography, SOA, Xiamen 590100, China
4.
Guangzhou Marine Geological Survey, Ministry of Land and Resources, Guangzhou 510760, China

Received Date: 2009-02-15
Publish Date: 2010-03-01

Abstract

Abstract

The trace metal elements and average grain size were determined for sediments of Pearl River Estuary and three important factors were identified using factor analysis method, which controls chemical compositions of sediments, such as catchment erosion, biogenic deposit, marine dominated condition. Moreover, further research indicates that the factor score curves of the three factors can be used to represent the changes of humidity, temperature and the hydrodynamics, respectively, which provides a good effective approach to paleoenviromental reconstruction. On the basis of the study, the evolution history of the regional climate and environment is evaluated and it is revealed that the basic climate succession in the region of Pearl River Delta is the cool-humid, cool-dry, warm-dry, warm-dry, warm-humid and warm-dry successively.
- Pearl River Estuary,
- factor analysis,
- geochemistry,
- paleoenvironment

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References(40)

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Geochemical Characteristics of Sediment of Pearl River Estuary and Its Paleoenvironmental Evolution

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