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The natural aerosol...
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Tunved, Peter
(författare)
The natural aerosol over Northern Europe and its relation to anthropogenic emissions - implications of important climate feedbacks
- Artikel/kapitelEngelska2008
Förlag, utgivningsår, omfång ...
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2008-01-01
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Stockholm University Press,2008
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:41b54233-4f5f-41cf-a7c1-08a41b6ed583
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https://lup.lub.lu.se/record/1286177URI
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https://doi.org/10.1111/j.1600-0889.2008.00363.xDOI
Kompletterande språkuppgifter
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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We use a recently developed parametrization to estimate the regional particle field in the summer time troposphere over Scandinavia that would result if the forest were the only source of particles. The calculated field is compared with available observational data. It is concluded that the needle leaf forest above 58 degrees N alone is capable of producing aerosol mass concentrations corresponding to 12-50% of today's values in the boundary layer over Scandinavia. We also demonstrate that the forest itself could produce up to 200 CCN per cubic centimetre on average over Scandinavia and further show that an increase in temperature by 5.8 degrees C compared to today's average temperature could increase this CCN population by 40%. The study shows that we are able to approximate the natural aerosol field resulting from biogenic emissions over the boreal forest in the northern hemispheric region. This information provide an important contribution in the evaluation of the climate effect caused by anthropogenic emissions of particles over the forest and also opens the possibility to better address the climate feedbacks believed to be associated with the boreal region.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Johan, Ström
(författare)
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Markku, Kulmala
(författare)
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Veli-Matti, Kerminen
(författare)
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Mikka, Dal Maso
(författare)
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Svenningsson, BirgittaLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Dept of Physical Geography and Ecosystem Science,Faculty of Science(Swepub:lu)milj-bsv
(författare)
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Chris, Lunder
(författare)
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Hans Christen, Hansson
(författare)
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KärnfysikFysiska institutionen
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Tellus. Series B: Chemical and Physical Meteorology: Stockholm University Press60 B:4, s. 473-4840280-65091600-0889
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