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Temporal variation (2011–2014) of atmospheric OCPs at King George Island, west Antarctica
Atmospheric Environment ( IF 4.2 ) Pub Date : 2018-10-01 , DOI: 10.1016/j.atmosenv.2018.08.036 Pu Wang , Wenying Meng , Yingming Li , Qinghua Zhang , Lin Zhang , Jianjie Fu , Ruiqiang Yang , Guibin Jiang
Atmospheric Environment ( IF 4.2 ) Pub Date : 2018-10-01 , DOI: 10.1016/j.atmosenv.2018.08.036 Pu Wang , Wenying Meng , Yingming Li , Qinghua Zhang , Lin Zhang , Jianjie Fu , Ruiqiang Yang , Guibin Jiang
Abstract A three-year sampling campaign (Jan 2011–Jan 2014) was conducted on organochlorine pesticides (OCPs) using high-volume air sampling nearby the Chinese Great Wall Station, west Antarctica. The concentrations of ∑23OCPs ranged between 5.87 and 27.9 pg m−3 (mean 14.3 ± 5.4 pg m−3), and no temporal trend was observed over the entire sampling period. However, the dominant compound, hexachlorobezene (HCB) (71% on average of ∑23OCPs), exhibited a seasonal variation with higher levels in the austral winter. Gas-particle partitioning of OCPs was explored based on KOA absorption model, steady-state model and Junge–Pankow adsorption model. LogKP showed significantly negative correlations with logPL0 of OCPs (p
更新日期：2018-10-01
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