文献类型：期刊文献

中文题名：雷州近海、流沙湾和深圳湾沉积物PAHs污染特征分析

英文题名：Characteristics of PAHs Pollution in Sediments from Leizhou Coastal Marine Area,Liusha Bay and Shenzhen Bay

作者：赵利容[1];孙省利[1];柯盛[1]

机构：[1]广东海洋大学海洋资源与环境监测中心,湛江524088

年份：2012

卷号：33

期号：4

起止页码：1198

中文期刊名：环境科学

外文期刊名：Environmental Science

收录：MEDLINE(收录号：22720565)、CSTPCD、、北大核心2011、Scopus(收录号：2-s2.0-84860121683)、CSCD2011_2012、北大核心、CSCD、PubMed

基金：海洋公益性行业科研专项(200905005-05);广东省海洋渔业科技推广专项(A200899J01)

语种：中文

中文关键词：近海;海湾;沉积物;多环芳烃

外文关键词：coastal marine area; bay; sediment; PAHs

中文摘要：雷州近海、流沙湾和深圳湾分别代表近海开阔海域和海湾,探讨它们在PAHs浓度水平、成份组成、空间分布和来源方面的特征差异.研究表明,15种PAHs单体在雷州近海、流沙湾和深圳湾的检出率均达100%,组份构成以3环和4环为主,其中Phe、Fla、Pry和Bbf是主要成份;由于水体交换等因素影响,海湾PAHs浓度水平明显高于近海,ΣPAHs的浓度变化趋势为流沙湾>深圳湾>雷州近海.雷州近海ΣPAHs空间分布特征表现为东部<南部<西部,3环百分含量依次减少,4～6环相反;与氮、磷等水质指标研究相同,深圳湾和流沙湾ΣPAHs浓度水平养殖区>非养殖区,湾内>湾外,其中养殖区站点以4环为主,非养殖区以3环为主.PAHs特征比值显示石化燃烧和生物燃烧,以及石油源等是雷州近海、流沙湾和深圳湾PAHs的主要来源.

外文摘要：Leizhou coastal marine area,Liusha Bay and Shenzhen Bay represented open coastal area and half-closed bay,respectively.This study discussed the differences of PAHs concentration levels,spatial distribution and sources in sediments from these three marine areas.The results showed that detected ratios of 15 PAHs were 100%,and major compounds were 3-ring and 4-ring PAHs,especialy Phe,Fla,Pry and Bbf;ΣPAHs concentration was LeizhouShenzhenLiusha.In spatial distribution,PAHs concentrations were the eastthe souththe west in Leizhou;the insidethe outside,and the aquaculturethe non-aquaculture in Liusha Bay and Shenzhen Bay.It suggested that large-scale mariculture inside bay played an important role in PAHs pollution and might make it serious.Oil,fossil fuels and biomass burning were the dominant sources of PAHs in sediments from Leizhou coastal area,Liusha Bay and Shenzhen Bay.