珠江三角洲沉积物钻孔中多溴联苯醚的垂直变化规律研究
Vertical distributions of polybrominated diphenyl ethers of sediment core in the Pearl River Delta
查看参考文献23篇
文摘
|
采用GC/MS分析方法测定了珠江三角洲水体5个钻孔(分别采自东江东莞段、珠江广州段、北江中段、西江入海口和顺德段)80个样品中10种多溴联苯醚(PBDEs,BDE209和∑_9BDEs)的含量,对其沉积规律进行研究和探讨.∑_9 BDEs含量范围为1.54~94.8ng·g~(-1),平均值为15.4ng·g~(-1).BDE209含量范围为14.4~ 588ng·g~(-1),平均值为136 ng·g~(-1),占总PBDEs含量的70%以上.钻孔中PBDEs含量从底部到表层呈现上升趋势,表明近年来珠江三角洲PBDEs环境排放仍在增加.5个钻孔中低溴代∑_9 BDEs从表层至底部逐渐增加,而高溴代∑_9BDEs逐渐减少,意味着钻孔中可能存在脱溴降解行为. |
其他语种文摘
|
To investigate the temporal distribution of polybrominated diphenyl ethers (PBDEs) in the Pearl River Delta,five sediment cores from Pearl River were collected and 10 PBDE congeners were measured using GC / MS. ∑_9BDEs (sum of PBDE congeners excluded BDE209) concentrations in the sediment cores were in the range of 1.54 ~ 94.8 ng·g~(-1) with the average of 15.4 ng·g~(-1). Concentrations of BDE209 were between 14.4 ng·g~(-1) and 588 ng·g~(-1) with the average of 136 ng·g~(-1). BDE209 was the predominant congener accounting for more than 70% of total PBDEs. Increasing trends for PBDE concentration along with the decrease of sediment core depth were observed for all sediment cores,especially in Dongguan reach,indicating an increased emission of PBDEs in study area in recent years. The relative abundance of high brominated PBDEs decreased whereas abundance of low brominated PBDEs increased from top to bottom of sediment cores,which implied a debromination degradation of PBDEs in sediment cores. |
来源
|
环境科学学报
,2014,34(9):2362-2366 【核心库】
|
DOI
|
10.13671/j.hjkxxb.2014.0623
|
关键词
|
多溴联苯醚
;
钻孔
;
垂直分布
;
珠江三角洲
;
降解
|
地址
|
1.
顺德职业技术学院, 顺德, 528300
2.
广东产品质量监督检验研究院, 顺德, 528300
3.
中国科学院广州地球化学研究所, 有机地球化学国家重点实验室, 广州, 510640
|
语种
|
中文 |
文献类型
|
研究性论文 |
ISSN
|
0253-2468 |
学科
|
环境科学基础理论 |
基金
|
国家自然科学基金项目
|
文献收藏号
|
CSCD:5232087
|
参考文献 共
23
共2页
|
1.
Bezares-Cruz J. Solar photodecomposition of decabromodiphenyl ether:products and quantum yield.
Environmental Science & Technology,2004,38(15):4149-4156
|
被引
27
次
|
|
|
|
2.
Bradley P W. PBDEs and methoxylated analogues in sediment cores from two Michigan,USA,inland lakes.
Environmental Toxicology and Chemistry,2011,30(6):1236-1242
|
被引
4
次
|
|
|
|
3.
Chen S J. Polybrominated diphenyl ethers in surface sediments of the Yangtze River Delta:Levels,distribution and potential hydrodynamic influence.
Environmental Pollution,2006,144(3):951-957
|
被引
35
次
|
|
|
|
4.
Chen S J. Time trends of polybrominated diphenyl ethers in sediment cores from the Pearl River Estuary,South China.
Environmental Science & Technology,2007,41(16):5595-5600
|
被引
17
次
|
|
|
|
5.
Chen S J. Current levels and composition profiles of PBDEs and alternative flame retardants in surface sediments from the Pearl River Delta,southern China:Comparison with historical data.
Science of The Total Environment,2013,444:205-211
|
被引
21
次
|
|
|
|
6.
Cristale J. Development and validation of a multiresidue method for the analysis of polybrominated diphenyl ethers,new brominated and organophosphorus flame retardants in sediment,sludge and dust.
Journal of Chromatography A,2013,1305:267-275
|
被引
20
次
|
|
|
|
7.
He J Z. Microbial reductive debromination of polybrominated diphenyl ethers (PBDEs).
Environmental Science & Technology,2006,40(14):4429-4434
|
被引
34
次
|
|
|
|
8.
Hu X B. Pollution characteristics and potential health risk of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD / Fs) in soil / sediment from Baiyin City,North West,China.
Environmental Geochemistry and Health,2013,35(5):593-604
|
被引
3
次
|
|
|
|
9.
Latimer J S. Historical trends and current inputs of hydrophobic organic compounds in an urban estuary:The sedimentary record.
Environmental Science & Technology,1996,30(2):623-633
|
被引
13
次
|
|
|
|
10.
林瑞芬. 珠江口沉积柱样^210Pb法年龄测定结果及其环境地球化学意义.
地球化学,1998,27(5):401-441
|
被引
33
次
|
|
|
|
11.
马召辉. 太湖沉积物中多溴联苯醚和类二英多氯联苯的水平垂直分布.
环境科学,2013,34(3):1136-1141
|
被引
13
次
|
|
|
|
12.
Mai B X. Distribution of polybrominated diphenyl ethers in sediments of the Pearl River Delta and adjacent South China Sea.
Environmental Science & Technology,2005,39(10):3521-3527
|
被引
78
次
|
|
|
|
13.
Minh N H. Spatial distribution and vertical profile of polybrominated diphenyl ethers and hexabromocyclododecanes in sediment core from Tokyo Bay,Japan.
Environmental Pollution,2007,148(2):409-417
|
被引
17
次
|
|
|
|
14.
Peng X. Concentrations,transport,fate,and releases of polybrominated diphenyl ethers in sewage treatment plants in the Pearl River Delta,South China.
Environment International,2009,35(2):303-309
|
被引
7
次
|
|
|
|
15.
邱孟德. 典型电器工业区河涌沉积物中的多溴联苯醚空间和垂直分布.
环境科学,2012,33(2):580-586
|
被引
12
次
|
|
|
|
16.
Richman L A. Polybrominated diphenyl ethers in sediment and caged mussels (Elliptio complanata) deployed in the Niagara River.
Chemosphere,2013,92(7):778-786
|
被引
5
次
|
|
|
|
17.
Song W L. Polybrominated diphenyl ethers in the sediments of the Great Lakes. 1. Lake Superior.
Environmental Science & Technology,2004,38(12):3286-3293
|
被引
25
次
|
|
|
|
18.
Song W L. Polybrominated diphenyl ethers in the sediments of the Great Lakes. 2. Lakes Michigan and Huron.
Environmental Science & Technology,2005,39(10):3474-3479
|
被引
13
次
|
|
|
|
19.
Song W L. Polybrominated diphenyl ethers in the sediments of the Great Lakes. 3. Lakes Ontario and Erie.
Environmental Science & Technology,2005,39(15):5600-5605
|
被引
8
次
|
|
|
|
20.
Wania F. Assessing the long-range transport potential of polybrominated diphenyl ethers:a comparison of four multimedia models.
Environmental Toxicology and Chemistry,2003,22(6):1252-1261
|
被引
37
次
|
|
|
|
|