Black carbon and polycyclic aromatic hydrocarbons (PAHs) in surface sediments of China's marginal seas

CORC > 厦门大学 > 海洋环境－已发表论文

	Black carbon and polycyclic aromatic hydrocarbons (PAHs) in surface sediments of China's marginal seas
	Kang, YJ ; Wang, XC ; Dai, MH ; Feng, H ; Li, AC ; Song, Q ; Dai MH(戴民汉)
刊名	http://dx.doi.org/10.1007/s00343-009-9151-x
	2009-06
关键词	PEARL RIVER ESTUARY SOOT CARBON CHEMICAL OXIDATION ORGANIC-COMPOUNDS MARINE-SEDIMENTS HARBOR SEDIMENTS YELLOW SEA EMISSIONS SOILS ACCUMULATION
英文摘要	This study investigates the distribution of black carbon (BC) and its correlation with total polycyclic aromatic hydrocarbons (I PAH) pound in the surface sediments of China's marginal seas. BC content ranges from < 0.10 to 2.45 mg/g dw (grams dry weight) in the sediments studied, and varied among the different coastal regions. The Bohai Bay sediments had the highest BC contents (average 2.18 mg/g dw), which comprises a significant fraction (27%-41%) of the total organic carbon (TOC) preserved in the sediments. In comparison, BC in the surface sediments of the North Yellow Sea, Jiaozhou Bay, East China Sea and the South China Sea is less abundant and accounted for an average of 6%, 8%, 14% and 5%, respectively, of the sedimentary organic carbon pool. The concentration of I PAH pound in the surface sediments ranges from 41 to 3 667 ng/g dw and showed large spatial variations among the sampling sites of different costal regions. The Bohai Bay has the highest I PAH pound values, ranging from 79 to 3 667 ng/g dw. This reflects the high anthropogenically contaminated nature of the sediments in the bay. BC is positively correlated to TOC but a strong correlation is not found between BC and I PAH pound in the surface sediments studied, suggesting that BC and PAHs preserved in the sediments are derived from different sources and controlled by different biogeochemical processes. Our study suggests that the abundance of BC preserved in the sediments could represent a significant sink pool of carbon cycling in China's marginal seas.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/60232]
专题	海洋环境－已发表论文
推荐引用方式 GB/T 7714	Kang, YJ,Wang, XC,Dai, MH,et al. Black carbon and polycyclic aromatic hydrocarbons (PAHs) in surface sediments of China's marginal seas[J]. http://dx.doi.org/10.1007/s00343-009-9151-x,2009.
APA	Kang, YJ.,Wang, XC.,Dai, MH.,Feng, H.,Li, AC.,...&戴民汉.(2009).Black carbon and polycyclic aromatic hydrocarbons (PAHs) in surface sediments of China's marginal seas.http://dx.doi.org/10.1007/s00343-009-9151-x.
MLA	Kang, YJ,et al."Black carbon and polycyclic aromatic hydrocarbons (PAHs) in surface sediments of China's marginal seas".http://dx.doi.org/10.1007/s00343-009-9151-x (2009).