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Pb concentrations and isotopic record preserved in northwest Greenland snow

Cited 13 time in wos
Cited 13 time in scopus

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dc.contributor.authorKang, Jung-Ho-
dc.contributor.authorHong, Sung-Min-
dc.contributor.authorKim, Seong-Joong-
dc.contributor.authorHur, Soon Do-
dc.contributor.authorHan, Changhee-
dc.contributor.authorHwang, Heejin-
dc.coverage.spatialArctic-
dc.coverage.spatialGreenland-
dc.date.accessioned2018-03-20T13:39:22Z-
dc.date.available2018-03-20T13:39:22Z-
dc.date.issued2017-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/6053-
dc.description.abstractWe present high-resolution lead (Pb) concentrations and isotopic ratios from a northwest Greenland snow pit covering a six-year period between 2003 and 2009. Pb concentrations ranged widely from 2.7 pg g?1 to 97.3 pg g?1, with a mean concentration of 21.6 pg g?1. These values are higher than those recorded for the pre-industrial period. Pb concentrations exhibit seasonal spikes in winter?spring layers. Crustal Pb enrichment factors (EF) suggest that the northwest Greenland snow pit is highly enriched with Pb of predominantly anthropogenic origin. The 206Pb/207Pb ratios ranged from 1.144 to 1.169 with a mean value of 1.156, which fall between less radiogenic Eurasian-type and more radiogenic Canadian-type signatures. This result suggests that several potential source areas of Pb impact on northwest Greenland. Abrupt changes in Pb concentrations and Pb isotope ratios were observed and related to seasonal shifts in source regions of aerosol transport. The 206Pb/207Pb isotope ratio increased steadily between 2003 and 2009. The similarity in isotope ratios between some of our samples and Chinese urban aerosols suggests a steadily increasing contribution of Chinese Pb to northwest Greenland snow.-
dc.languageEnglish-
dc.subjectEnvironmental Sciences & Ecology-
dc.titlePb concentrations and isotopic record preserved in northwest Greenland snow-
dc.title.alternative북서 그린랜드 눈에 나타난 납 농도와 납안정동위원소 비의 기록-
dc.typeArticle-
dc.identifier.bibliographicCitationKang, Jung-Ho, et al. 2017. "Pb concentrations and isotopic record preserved in northwest Greenland snow". <em>CHEMOSPHERE</em>, 187(1): 294-301.-
dc.citation.titleCHEMOSPHERE-
dc.citation.volume187-
dc.citation.number1-
dc.identifier.doi10.1016/j.chemosphere.2017.08.101-
dc.citation.startPage294-
dc.citation.endPage301-
dc.description.articleClassificationSCI-
dc.description.jcrRateJCR 2015:16.444-
dc.identifier.localId2017-0157-
dc.identifier.scopusid2-s2.0-85028373219-
dc.identifier.wosid000412618900035-
Appears in Collections  
2017-2018, Reconstruction of past climate and environmental changes using high resolution ice core records in Victoria Land, Antarctica (17-18) / Hur, Soon Do (PE17040; PE18040)
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