NDLI: Seasonal variations in heavy metals concentrations in Mt. Qomolangma Region snow

Content Provider	Springer Nature Link
Author	Duan, Jianping Wang, Lily Ren, Jiawen Li, Lun Han, Junqing
Copyright Year	2009
Abstract	The concentrations of heavy metals Ba, Pb, Cu, Zn and Co in snow pit collected in September, 2005 from the accumulation area of the East Rongbuk Glacier (6523 m a.s.l.), which lies on the northern slope of Mt. Qomolangma, were determined by inductively coupled plasma mass spectrometry (ICP-MS). Concentrations (pg/ml) of heavy metals are Ba2-227, Co2.8-15.7, Cu10-120, Zn29-4948 and Pb14-142, respectively. The δ$^{18}$O was determined by MAT-252. The time period of the snow pit spans from autumn 2005 to summer 2004. Seasonal variations of the concentrations and δ$^{18}$O are observed, of which Pb, Cu, Zn and Co are much lower in summer monsoon season than that in non summer monsoon season, suggesting that different sources of heavy metals contributed to the site. EF$_{c}$ (crustal enrichment factors) is Co3.6, Cu27, Pb33 and Zn180, respectively. Higher EF$_{c}$ values of Pb, Cu and Zn suggest that Pb, Cu especially Zn are mainly contributed by anthropogenic sources.
Starting Page	249
Ending Page	256
Page Count	8
File Format	PDF
ISSN	1009637X
Journal	Journal of Geographical Sciences
Volume Number	19
Issue Number	2
e-ISSN	18619568
Language	English
Publisher	SP Science in China Press
Publisher Date	2009-04-06
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	heavy metals seasonal variations Mt. Qomolangma Region Remote Sensing/Photogrammetry Geographical Information Systems/Cartography Nature Conservation Physical Geography
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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