| 巢湖悬浮物中有机氯农药的分布、来源与风险 |
| |
| 引用本文： | 王卿梅,何玘霜,王雁,何伟,秦宁,孔祥臻,刘文秀,徐福留.巢湖悬浮物中有机氯农药的分布、来源与风险[J].湖泊科学,2014,26(6):887-896. |
| |
| 作者姓名： | 王卿梅 何玘霜 王雁 何伟 秦宁 孔祥臻 刘文秀 徐福留 |
| |
| 作者单位： | 北京大学城市与环境学院地表过程分析与模拟教育部重点实验室,北京,100871 |
| |
| 基金项目： | 国家自然科学基金项目，国家水体污染控制与治理科技重大专项项目，国家杰出青年基金项目 |
| |
| 摘 要： | 利用GC-MS测定了2010年5月至2011年4月巢湖4个采样点悬浮物中有机氯农药(OCPs)含量,分析了悬浮物中OCPs残留水平的时空变化及其组成特征,探讨了悬浮物中主要OCPs的可能来源与生态风险.结果表明:(1)巢湖悬浮物中共检出17种OCPs,分别为六六六类(HCHs)农药的4种异构体(α-、β-、γ-、δ-HCH)、滴滴涕类(DDTs)农药的两种母体(o,p'-、p,p'-DDT)和3种代谢产物(o,p'-、p,p'-DDE,p,p'-DDD)、六氯苯、七氯、艾氏剂、异艾氏剂、氯丹的两种异构体(α-、γ-chlordane)、硫丹-I和灭蚁灵.(2)巢湖悬浮物中∑OCPs含量为172.7±434.9 ng/g,其中∑HCHs含量为15.1±10.3 ng/g,∑DDTs含量为138.8±407.3 ng/g;DDTs在夏季污染水平达到最高;空间上,污染程度为:东部湖区西部湖区中部湖区.(3)DDTs在总OCPs中占有绝对优势,DDTs比例夏季最高而秋季最低;HCHs仅在秋季为主要污染物.(4)HCHs主要来源于近期林丹的非法使用;而DDT主要来源于工业DDT的使用,在春季可能存在DDT的非法使用;悬浮物中DDT的降解环境主要为有氧环境.(5)巢湖悬浮物中p,p'-DDT和o,p'-DDT会对水生生物产生潜在的不利影响.
|
| 关 键 词： | 巢湖 悬浮物 有机氯农药 残留水平 来源 风险 |
| 收稿时间： | 2013/12/30 0:00:00 |
| 修稿时间： | 2014/4/14 0:00:00 |
Distribution, source identification and risk assessment of organochlorine pesticides (OCPs) in suspended particulate matter (SPM) from Lake Chaohu |
| |
| WANG Qingmei,HE Qishuang,WANG Yan,HE Wei,QIN Ning,KONG Xiangzhen,LIU Wenxiu and XU Fuliu.Distribution, source identification and risk assessment of organochlorine pesticides (OCPs) in suspended particulate matter (SPM) from Lake Chaohu[J].Journal of Lake Science,2014,26(6):887-896. |
| |
| Authors: | WANG Qingmei HE Qishuang WANG Yan HE Wei QIN Ning KONG Xiangzhen LIU Wenxiu and XU Fuliu |
| |
| Institution: | MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China,MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China,MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China,MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China,MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China,MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China,MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China and MOE Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871, P.R.China |
| |
| Abstract: | |
| |
| Keywords: | Lake Chaohu SPM OCPs residuals sources risk |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《湖泊科学》浏览原始摘要信息 |
| 点击此处可从《湖泊科学》下载免费的PDF全文 |
|
