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- Horst, AxelStockholms universitet,Institutionen för tillämpad miljövetenskap (ITM) (author)
Stable bromine isotopic composition of atmospheric CH3Br
- Article/chapterEnglish2013
Publisher, publication year, extent ...
- 2013-01-01
- Stockholm University Press,2013
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-94875
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-94875URI
- https://doi.org/10.3402/tellusb.v65i0.21040DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- AuthorCount:6;
- Tropospheric methyl bromide (CH3Br) is the largest source of bromine to the stratosphere and plays an important role in ozone depletion. Here, the first stable bromine isotope composition (delta Br-81) of atmospheric CH3Br is presented. The delta Br-81 of higher concentration Stockholm samples and free air subarctic Abisko samples suggest a source/background value of -0.04 +/- 0.28 parts per thousand ranging up to +1.75 +/- 0.12 parts per thousand. The Stockholm delta Br-81 versus concentration relationship corresponds to an apparent isotope enrichment factor of -4.7 +/- 3.7 parts per thousand, representing the combined reaction sink. This study demonstrates the scientific potential of atmospheric delta Br-81 measurements, which in the future may be combined with other isotope systems in a top-down inverse approach to further understand key source and sink processes of methyl bromide.
Subject headings and genre
- NATURVETENSKAP Geovetenskap och miljövetenskap Meteorologi och atmosfärforskning hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Meteorology and Atmospheric Sciences hsv//eng
- tropospheric methyl bromide
- 81Br/79Br
- bromine isotopes
- halogens
- Stordalen
- Arctic
- ICPMS
Added entries (persons, corporate bodies, meetings, titles ...)
- Thornton, Brett F.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)brtho (author)
- Holmstrand, HenryStockholms universitet,Institutionen för tillämpad miljövetenskap (ITM)(Swepub:su)hehol (author)
- Andersson, Per (author)
- Crill, Patrick M.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)pcril (author)
- Gustafsson, ÖrjanStockholms universitet,Institutionen för tillämpad miljövetenskap (ITM)(Swepub:su)ogust (author)
- Stockholms universitetInstitutionen för tillämpad miljövetenskap (ITM) (creator_code:org_t)
Related titles
- In:Tellus. Series B, Chemical and physical meteorology: Stockholm University Press65, s. 21040-0280-65091600-0889
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