globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068244
论文题名:
Provenance of dust to Antarctica: A lead isotopic perspective
作者: Gili S.; Gaiero D.M.; Goldstein S.L.; Chemale F.; Koester E.; Jweda J.; Vallelonga P.; Kaplan M.R.
刊名: Geophysical Research Letters
ISSN: 0094-9266
EISSN: 1944-8997
出版年: 2016
卷: 43, 期:5
起始页码: 2291
结束页码: 2298
语种: 英语
英文关键词: Antarctica ; dust ; Patagonia ; Pb isotopes ; Puna-Altiplano
Scopus关键词: Isotopes ; Lead ; Antarctica ; Atmospheric dust ; Interglacial periods ; Patagonia ; Pb isotopes ; Potential sources ; Puna-Altiplano ; Southern Hemisphere ; Dust
英文摘要: Antarctic ice preserves an ~800 kyr record of dust activity in the Southern Hemisphere. Major efforts have been dedicated to elucidate the origin of this material in order to gain greater insight into the atmospheric dust cycle. On the basis of Pb isotopes in Antarctic dust samples and potential sources, this contribution demonstrates for the first time that Patagonia is the main contributor of dust to Antarctica during interglacial periods as well as glacials, although the potential importance of Tierra del Fuego remains unclear because of its geochemical similarities to Patagonia. An important new finding is that the Puna-Altiplano sector of the continent is a second important dust source to eastern Antarctica during both glacials and interglacials, being more prominent during interglacials. The data indicate South America is the primary dust source to Antarctica during both glacials and interglacials. © 2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84960433674&doi=10.1002%2f2016GL068244&partnerID=40&md5=7abcf8101bd38e9b1f5af4c7a60b83bf
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10229
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: CICTERRA/CONICET, Universidad Nacional de Córdoba, Córdoba, Argentina

Recommended Citation:
Gili S.,Gaiero D.M.,Goldstein S.L.,et al. Provenance of dust to Antarctica: A lead isotopic perspective[J]. Geophysical Research Letters,2016-01-01,43(5).
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