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Concentration and deposition of acidifying air pollutants over Sweden: Estimates for 1991 based on the match model and observations
SMHI, Forskningsavdelningen, Luftmiljö.ORCID-id: 0000-0002-2757-2864
SMHI, Forskningsavdelningen, Luftmiljö.
SMHI, Forskningsavdelningen, Luftmiljö.ORCID-id: 0000-0003-2738-5556
1995 (Engelska)Ingår i: Water, Air and Soil Pollution, ISSN 0049-6979, E-ISSN 1573-2932, Vol. 85, nr 4, s. 2021-2026Artikel i tidskrift (Refereegranskat) Published
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Text
Abstract [en]

The MATCH (Mesoscale Atmospheric Transport and CHemistry) model has been developed as a tool for air pollution assessment studies on different geographical scales. MATCH is an Eulerian atmospheric dispersion model, including physical and chemical processes governing sources, atmospheric transport and sinks of oxidized sulfur and oxidized and reduced nitrogen. Using a combination of air and precipitation chemistry measurements and the MATCH model, the national and long-range transport contributions to air pollution and deposition can be quantified in the model region. The calculations for the year 1991 show that the Swedish import was about 4.5 times larger than the export for sulfur and about six times larger for reduced nitrogen, while the Swedish import of oxidized nitrogen only exceeded the export by 10%. Using the MATCH system we estimate the long-range transport in an independent way compared to EMEP. Comparison between the EMEP and MATCH calculations for 1991 show that the total deposition of oxidized nitrogen over Sweden is similar, while the EMEP-values for total deposition of oxidized sulfur and reduced nitrogen are 25% respectively 40% smaller than what is obtained from MATCH.

Ort, förlag, år, upplaga, sidor
1995. Vol. 85, nr 4, s. 2021-2026
Nationell ämneskategori
Meteorologi och atmosfärforskning
Forskningsämne
Miljö
Identifikatorer
URN: urn:nbn:se:smhi:diva-1648DOI: 10.1007/BF01186131ISI: A1995UE15800027OAI: oai:DiVA.org:smhi-1648DiVA, id: diva2:897603
Konferens
5th International Conference on Acidic Deposition - Science and Policy: Acid Reign 95, JUN 26-30, 1995, GOTHENBURG, SWEDEN
Tillgänglig från: 2016-01-26 Skapad: 2015-12-22 Senast uppdaterad: 2017-11-30Bibliografiskt granskad

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Langner, JoakimPersson, ChristerRobertson, Lennart

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Langner, JoakimPersson, ChristerRobertson, Lennart
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Water, Air and Soil Pollution
Meteorologi och atmosfärforskning

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