Atmospheric composition change: Climate–Chemistry interactions
Chemically active climate compounds are either primary compounds like methane (CH4), removed by oxidation in the atmosphere, or secondary compounds like ozone (O3), sulfate and organic aerosols, both formed and removed in the atmosphere. Man-induced climate–chemistry interaction is a two-way process...
Published in: | Atmospheric Environment |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Elsevier
2009
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Online Access: | https://elib.dlr.de/61072/ http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VH3-4X1J78C-3&_user=100058&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000007338&_version=1&_urlVersion=0&_userid=100058&md5=f8664e7ca32bacfd0d376bae8794d8c7 |
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Open Polar |
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German Aerospace Center: elib - DLR electronic library |
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Dynamik der Atmosphäre |
spellingShingle |
Dynamik der Atmosphäre Isaksen, I.S.A. Granier, C. Myhre, G. Berntsen, T. Dalsøren, S. B. Gauss, M. Klimont, Z. Benestad, R. Bousquet, P. Collins, W.J. Cox, T. Eyring, Veronika Fowler, D. Fuzzi, S. Jöckel, Patrick Laj, P. Lohmann, U. Maione, M. Monks, P.S. Prevot, A.S.H. Raes, F. Richter, A. Rognerud, B. Schulz, M. Shindell, D.T. Stevenson, D.S. Storelvmo, T. Wang, W.-C. van Weele, M. Wild, M. Wuebbles, D. Atmospheric composition change: Climate–Chemistry interactions |
topic_facet |
Dynamik der Atmosphäre |
description |
Chemically active climate compounds are either primary compounds like methane (CH4), removed by oxidation in the atmosphere, or secondary compounds like ozone (O3), sulfate and organic aerosols, both formed and removed in the atmosphere. Man-induced climate–chemistry interaction is a two-way process: Emissions of pollutants change the atmospheric composition contributing to climate change through the aforementioned climate components, and climate change, through changes in temperature, dynamics, the hydrological cycle, atmospheric stability, and biosphere-atmosphere interactions, affects the atmospheric composition and oxidation processes in the troposphere. Here we present progress in our understanding of processes of importance for climate–chemistry interactions, and their contributions to changes in atmospheric composition and climate forcing. A key factor is the oxidation potential involving compounds like O3 and the hydroxyl radical (OH). Reported studies represent both current andfuture changes. Reported results include new estimates of radiative forcing based on extensive model studies of chemically active climate compounds like O3, and of particles inducing both direct and indirect effects. Through EU projects like ACCENT, QUANTIFY, and the AeroCom project, extensive studies on regional and sector-wise differences in the impact on atmospheric distribution are performed. Studies have shown that land-based emissions have a different effect on climate than ship and aircraft emissions, and different measures are needed to reduce the climate impact. Several areas where climate change can affect the tropospheric oxidation process and the chemical composition are identified. This can take place through enhanced stratospheric–tropospheric exchange of ozone, more frequent periods with stable conditions favoring pollution build up over industrial areas, enhanced temperature induced biogenic emissions, methane releases from permafrost thawing, and enhanced concentration through reduced biospheric uptake. During the last 5–10 years, new observational data have been made available and used for model validation and the study of atmospheric processes. Although there are significant uncertainties in the modeling of composition changes, access to new observational data has improved modeling capability. Emission scenarios for the coming decades have a large uncertainty range, in particular with respect to regional trends, leading to a significant uncertainty range in estimated regional composition changes and climate impact. |
format |
Other Non-Article Part of Journal/Newspaper |
author |
Isaksen, I.S.A. Granier, C. Myhre, G. Berntsen, T. Dalsøren, S. B. Gauss, M. Klimont, Z. Benestad, R. Bousquet, P. Collins, W.J. Cox, T. Eyring, Veronika Fowler, D. Fuzzi, S. Jöckel, Patrick Laj, P. Lohmann, U. Maione, M. Monks, P.S. Prevot, A.S.H. Raes, F. Richter, A. Rognerud, B. Schulz, M. Shindell, D.T. Stevenson, D.S. Storelvmo, T. Wang, W.-C. van Weele, M. Wild, M. Wuebbles, D. |
author_facet |
Isaksen, I.S.A. Granier, C. Myhre, G. Berntsen, T. Dalsøren, S. B. Gauss, M. Klimont, Z. Benestad, R. Bousquet, P. Collins, W.J. Cox, T. Eyring, Veronika Fowler, D. Fuzzi, S. Jöckel, Patrick Laj, P. Lohmann, U. Maione, M. Monks, P.S. Prevot, A.S.H. Raes, F. Richter, A. Rognerud, B. Schulz, M. Shindell, D.T. Stevenson, D.S. Storelvmo, T. Wang, W.-C. van Weele, M. Wild, M. Wuebbles, D. |
author_sort |
Isaksen, I.S.A. |
title |
Atmospheric composition change: Climate–Chemistry interactions |
title_short |
Atmospheric composition change: Climate–Chemistry interactions |
title_full |
Atmospheric composition change: Climate–Chemistry interactions |
title_fullStr |
Atmospheric composition change: Climate–Chemistry interactions |
title_full_unstemmed |
Atmospheric composition change: Climate–Chemistry interactions |
title_sort |
atmospheric composition change: climate–chemistry interactions |
publisher |
Elsevier |
publishDate |
2009 |
url |
https://elib.dlr.de/61072/ http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VH3-4X1J78C-3&_user=100058&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000007338&_version=1&_urlVersion=0&_userid=100058&md5=f8664e7ca32bacfd0d376bae8794d8c7 |
genre |
permafrost |
genre_facet |
permafrost |
op_relation |
Isaksen, I.S.A. und Granier, C. und Myhre, G. und Berntsen, T. und Dalsøren, S. B. und Gauss, M. und Klimont, Z. und Benestad, R. und Bousquet, P. und Collins, W.J. und Cox, T. und Eyring, Veronika und Fowler, D. und Fuzzi, S. und Jöckel, Patrick und Laj, P. und Lohmann, U. und Maione, M. und Monks, P.S. und Prevot, A.S.H. und Raes, F. und Richter, A. und Rognerud, B. und Schulz, M. und Shindell, D.T. und Stevenson, D.S. und Storelvmo, T. und Wang, W.-C. und van Weele, M. und Wild, M. und Wuebbles, D. (2009) Atmospheric composition change: Climate–Chemistry interactions. Atmospheric Environment, 43, Seiten 5138-5192. Elsevier. DOI:10.1016/j.atmosenv.2009.08.003 ISSN 1352-2310 |
op_doi |
https://doi.org/10.1016/j.atmosenv.2009.08.003 |
container_title |
Atmospheric Environment |
container_volume |
43 |
container_issue |
33 |
container_start_page |
5138 |
op_container_end_page |
5192 |
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1766166906543276032 |
spelling |
ftdlr:oai:elib.dlr.de:61072 2023-05-15T17:58:19+02:00 Atmospheric composition change: Climate–Chemistry interactions Isaksen, I.S.A. Granier, C. Myhre, G. Berntsen, T. Dalsøren, S. B. Gauss, M. Klimont, Z. Benestad, R. Bousquet, P. Collins, W.J. Cox, T. Eyring, Veronika Fowler, D. Fuzzi, S. Jöckel, Patrick Laj, P. Lohmann, U. Maione, M. Monks, P.S. Prevot, A.S.H. Raes, F. Richter, A. Rognerud, B. Schulz, M. Shindell, D.T. Stevenson, D.S. Storelvmo, T. Wang, W.-C. van Weele, M. Wild, M. Wuebbles, D. 2009 https://elib.dlr.de/61072/ http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VH3-4X1J78C-3&_user=100058&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000007338&_version=1&_urlVersion=0&_userid=100058&md5=f8664e7ca32bacfd0d376bae8794d8c7 unknown Elsevier Isaksen, I.S.A. und Granier, C. und Myhre, G. und Berntsen, T. und Dalsøren, S. B. und Gauss, M. und Klimont, Z. und Benestad, R. und Bousquet, P. und Collins, W.J. und Cox, T. und Eyring, Veronika und Fowler, D. und Fuzzi, S. und Jöckel, Patrick und Laj, P. und Lohmann, U. und Maione, M. und Monks, P.S. und Prevot, A.S.H. und Raes, F. und Richter, A. und Rognerud, B. und Schulz, M. und Shindell, D.T. und Stevenson, D.S. und Storelvmo, T. und Wang, W.-C. und van Weele, M. und Wild, M. und Wuebbles, D. (2009) Atmospheric composition change: Climate–Chemistry interactions. Atmospheric Environment, 43, Seiten 5138-5192. Elsevier. DOI:10.1016/j.atmosenv.2009.08.003 ISSN 1352-2310 Dynamik der Atmosphäre Zeitschriftenbeitrag PeerReviewed 2009 ftdlr https://doi.org/10.1016/j.atmosenv.2009.08.003 2019-01-14T00:56:55Z Chemically active climate compounds are either primary compounds like methane (CH4), removed by oxidation in the atmosphere, or secondary compounds like ozone (O3), sulfate and organic aerosols, both formed and removed in the atmosphere. Man-induced climate–chemistry interaction is a two-way process: Emissions of pollutants change the atmospheric composition contributing to climate change through the aforementioned climate components, and climate change, through changes in temperature, dynamics, the hydrological cycle, atmospheric stability, and biosphere-atmosphere interactions, affects the atmospheric composition and oxidation processes in the troposphere. Here we present progress in our understanding of processes of importance for climate–chemistry interactions, and their contributions to changes in atmospheric composition and climate forcing. A key factor is the oxidation potential involving compounds like O3 and the hydroxyl radical (OH). Reported studies represent both current andfuture changes. Reported results include new estimates of radiative forcing based on extensive model studies of chemically active climate compounds like O3, and of particles inducing both direct and indirect effects. Through EU projects like ACCENT, QUANTIFY, and the AeroCom project, extensive studies on regional and sector-wise differences in the impact on atmospheric distribution are performed. Studies have shown that land-based emissions have a different effect on climate than ship and aircraft emissions, and different measures are needed to reduce the climate impact. Several areas where climate change can affect the tropospheric oxidation process and the chemical composition are identified. This can take place through enhanced stratospheric–tropospheric exchange of ozone, more frequent periods with stable conditions favoring pollution build up over industrial areas, enhanced temperature induced biogenic emissions, methane releases from permafrost thawing, and enhanced concentration through reduced biospheric uptake. During the last 5–10 years, new observational data have been made available and used for model validation and the study of atmospheric processes. Although there are significant uncertainties in the modeling of composition changes, access to new observational data has improved modeling capability. Emission scenarios for the coming decades have a large uncertainty range, in particular with respect to regional trends, leading to a significant uncertainty range in estimated regional composition changes and climate impact. Other Non-Article Part of Journal/Newspaper permafrost German Aerospace Center: elib - DLR electronic library Atmospheric Environment 43 33 5138 5192 |