Physics
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.3225e&link_type=abstract
Geophysical Research Letters, Volume 27, Issue 19, p. 3225-3228
Physics
5
Atmospheric Composition And Structure, Atmospheric Composition And Structure: Constituent Sources And Sinks, Atmospheric Composition And Structure: Evolution Of The Atmosphere, Atmospheric Composition And Structure: Troposphere-Constituent Transport And Chemistry
Scientific paper
Ice-core records of an Alpine glacier from the southern Swiss Alps were used to reconstruct sources of inorganic F and Cl- in precipitation. Our results suggest that sea salt transported together with mineral dust mainly from the Saharan area is the predominant source of Cl- in the southern Alps. However, on the average 16% of the Cl- and most of the F- deposition in the period 1937-94 could be related to HCl and HF emissions from anthropogenic sources. The record of non-sea-salt Cl- was found to represent the historical development of HCl emissions mainly from waste incineration in the Swiss Plateau, whereas the F- deposition record reflects HF emissions from the aluminum industry in the Swiss Rhone valley. Thus, our data indicate a strong impact of emissions of short lived atmospheric species such as HCl and HF on local and regional precipitation chemistry.
Eichler Anja
Gaggeler Heinz W.
Schwikowski Margit
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