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Global scale transport of acidifying pollutants
SMHI, Forskningsavdelningen, Luftmiljö.ORCID-id: 000-0002-2757-2864
SMHI, Forskningsavdelningen, Klimatforskning - Rossby Centre.ORCID-id: 0000-0002-6495-1038
1995 (engelsk)Inngår i: Water, Air and Soil Pollution, ISSN 0049-6979, E-ISSN 1573-2932, Vol. 85, nr 1, s. 37-50Artikkel i tidsskrift (Fagfellevurdert) Published
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Text
Abstract [en]

During the past few years several attempts have been made to use three-dimensional tracer transport models to simulate the global distribution of sulfur and nitrogen compounds from both natural and anthropogenic sources. We review these studies and show examples of estimated distributions of the total deposition of sulfur, oxidized nitrogen and ammonium as well as the pH of precipitation. The simulated patterns are compared with observations. Weaknesses in these estimates resulting from lack of knowledge of emissions, chemical transformations and removal processes are emphasized and discussed. We also show examples of how the models can be used to estimate past and future deposition patterns. In particular, we use the IPCC scenario IS92a to estimate the possible sulfur deposition around the world in the year 2050. A comparison with critical load values for sulfur deposition indicates that substantial parts of South and East Asia are at risk for acidification problems in the future.

sted, utgiver, år, opplag, sider
SWEDISH METEOROL & HYDROL INST, S-60176 NORRKOPING, SWEDEN., 1995. Vol. 85, nr 1, s. 37-50
Emneord [en]
global models, sulfate, nitrate, ammonium
HSV kategori
Forskningsprogram
Miljö
Identifikatorer
URN: urn:nbn:se:smhi:diva-1647DOI: 10.1007/BF00483687ISI: A1995UB05100007OAI: oai:DiVA.org:smhi-1647DiVA, id: diva2:897719
Konferanse
5th International Conference on Acidic Deposition - Science and Policy: Acid Reign 95, JUN 26-30, 1995, GOTHENBURG, SWEDEN
Tilgjengelig fra: 2016-01-26 Laget: 2015-12-22 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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