Title
Present century record of mercury species pollution in high altitude alpine snow and ice Present century record of mercury species pollution in high altitude alpine snow and ice
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Les Ulis ,
Subject
Physics
Chemistry
Source (journal)
Journal de physique: 4. - Les Ulis, 1991 - 2006
Volume/pages
107(2003) :1 , p. 683-686
ISSN
1155-4339
ISI
000183782300168
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Mercury speciation analysis has been performed in an ice/snow core drilled at an altitude of 4250 m in the Col du D (o) over cap me glacier on the Mont Blanc, France. The study provides the first time series for mercury speciation analysis in the Alpine snow/ice for the last century. Measured concentrations range from 0.25 to 3.96 pg g(-1) for MeHg+ and 0.20 to 1.80 pg g(-1) for Hg2+. Since the beginning of 20(th) century, a clear increase in total mercury concentration is observed with a maximum for 1965 with an approximately 5-fold increase compared to 1885. A drop in both methylmercury and total mercury concentrations was observed after 1965 and might be linked with the reduction in the mercury emissions from anthropogenic activities.
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