珠江口表层沉积物石油类含量、分布及变化趋势

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Abstract

The oil contents in surface sediment in the Pearl River Estuary(PRE)during the summer of 2006,2009,2010 and 2011 were determined by fluorescence spectrophotometry.The average oil contents in the four years were 127.2μg/g,318.0μg/g,134.1μg/g and 118.5μg/g,respectively.The oil contents in surface sediment of PRE in the first decade of the 21^st century were much higher than those in 80-90's of the 20^th century.According to the 1^st class of Marine Sediment Quality,the over-standard rates of oil contents in surface sediment were 0,25%,10% and 5%,respectively.The main factors influencing the oil contents in surface sediment of the Pearl River Estuary were land-based runoff,oil spill pollution and hydrodynamic conditions.

Key words： oil contents sediment Pearl River Estuary

Received: 25 October 2012

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	Articles by authors
	WU Ling-ling
	ZHOU Jun-jie
	LI Hai-tao
	CHEN Jie
	HU Ping
	HUANG Chu-guang
	FANG Hong-da

Cite this article:

WU Ling-ling,ZHOU Jun-jie,LI Hai-tao, et al. Distribution and variation trend of oil contents in surface sediment in the Pearl River Estuary[J]. , 2012, 31(5): 543-547.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2012/V31/I5/543

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