The development of loads of cations, anions, Cd and Pb in precipitation and of atmospheric concentrations of N-components, in Switzerland from 1988 to 2003.

The development of loads of cations, anions, Cd and Pb in precipitation and of atmospheric concentrations of N-components, in Switzerland from 1988 to 2003. Research Abstract Details 

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The development of loads of cations, anions, Cd and Pb in precipitation and of atmospheric concentrations of N-components, in Switzerland from 1988 to 2003. Abstract Text:

Lotti Thöni,Eva Seitler,Markus Meier,Fritz Zürcher,Jürg Hertz,

This study presents the results of the analyses of Cd, Pb, cations and anions present in precipitation and dust at a pre-alpine and a suburban site in Switzerland in the period from 1988 to 2003. The aim of these measurements was to monitor the success of measures taken to diminish pollutant emissions. No change was found for Ca(2+), K(+), Na(+) and Mg(2+) loads - in line with expectations, as no reducing measures had been taken. Statistically significant and largely decreasing values (50-90%) were found for Cl(-) and Cd (linked to the fitting of filters in incineration plants), Pb (unleaded petrol), [Formula: see text] (diminishing the use of mineral oil with high S content), and the proton (lower HCl and SO(2) emissions). A smaller decrease (up to 30%) or none was registered for oxidised nitrogen components (fitting cars with catalytic converters, but an increase in numbers of cars and trucks). No significant change was found for NH(3) as farming techniques had undergone no major changes. The long-term measurements show that the measures taken to reduce emissions were successful. A shorter monitoring period would have been misleading owing to data variability and temporary incidents e.g. amount of precipitation.

The development of loads of cations, anions, Cd and Pb in precipitation and of atmospheric concentrations of N-components, in Switzerland from 1988 to 2003. Publishing Authors By Initials

L Thöni,E Seitler,M Meier,F Zürcher,J Hertz,

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The development of loads of cations, anions, Cd and Pb in precipitation and of atmospheric concentrations of N-components, in Switzerland from 1988 to 2003. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Environmental monitoring and assessment

VOLUME: 138

Page Numbers: 207-18

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ISSN: 0167-6369

DAY: 12

MONTH: 06

YEAR: 2007

The development of loads of cations, anions, Cd and Pb in precipitation and of atmospheric concentrations of N-components, in Switzerland from 1988 to 2003. Information

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LANGUAGE: eng

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AFFILIATION: FUB - Research Group for Environmental Monitoring, Untere Bahnhofstrasse 30, P.O. 1645, CH-8640, Rapperswil, Switzerland, lotti.thoeni@fub-ag.ch.

Country: Netherlands

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MEDLINETA: Environ Monit Assess

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