globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-10-2533-2016
Scopus记录号: 2-s2.0-84994036280
论文题名:
Brief communication: Organochlorine pesticides in an archived firn core from Law Dome, East Antarctica
作者: Bigot M; , Curran A; J; M; , Moy A; D; , Muir D; C; G; , Hawker D; W; , Cropp R; , Teixeira C; F; , Nash S; M; B
刊名: Cryosphere
ISSN: 19940416
出版年: 2016
卷: 10, 期:5
起始页码: 2533
结束页码: 2539
语种: 英语
英文关键词: chemical analysis ; concentration (composition) ; equipment ; ice core ; meltwater ; organic pollutant ; organochlorine pesticide ; polar region ; Antarctica ; Arctic ; East Antarctica ; Law Dome
英文摘要: Organochlorine pesticides (OCPs) were, for the first time, quantified in archived firn cores from East Antarctica representative of 1945–1957 and 1958–1967 (current era, C.E.). The core sections were melted under high-purity nitrogen atmosphere, and the meltwater was analysed. Methods allowed quantification of hexachlorocyclohexanes, heptachlor, trans-chlordane, dieldrin and endrin. While the core presented evidence of nominal contamination by modern-use chemicals, indicating handling and/or storage contamination, legacy OCP concentrations and deposition rates reported are orders of magnitude lower than those from Arctic regions, lending support for their validity. The study further provides a description of equipment used and suggests methods to overcome logistical challenges associated with trace organic contaminant detection in polar regions. © Author(s) 2016. CC Attribution 3.0 License.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75054
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: Environmental Futures Research Institute, Griffith University, 170 Kessels Rd, Nathan, QLD, Australia; Australian Antarctic Division, 203 Channel Highway, Kingston, TAS, Australia; Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart, TAS, Australia; Aquatic Contaminants Research Division, Environment Canada, 867 Lakeshore Rd, Burlington, ON, Canada; School of Environment, Griffith University, 170 Kessels Rd, Nathan, QLD, Australia

Recommended Citation:
Bigot M,, Curran A,J,et al. Brief communication: Organochlorine pesticides in an archived firn core from Law Dome, East Antarctica[J]. Cryosphere,2016-01-01,10(5)
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