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The natural greenho...
The natural greenhouse effect of atmospheric oxygen (O2) and nitrogen (N2)
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- Höpfner, M. (author)
- Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
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- Milz, Mathias (author)
- Luleå tekniska universitet,Rymdteknik
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- Buehler, Stefan (author)
- Luleå tekniska universitet,Rymdteknik
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- Orphal, J. (author)
- Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
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- Stiller, G. (author)
- Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: Geophysical Research Letters. - 0094-8276 .- 1944-8007. ; 39:10
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The effect of collision-induced absorption by molecular oxygen (O 2) and nitrogen (N 2) on the outgoing longwave radiation (OLR) of the Earth's atmosphere has been quantified. We have found that on global average under clear-sky conditions the OLR is reduced due to O 2 by 0.11 Wm -2 and due to N 2 by 0.17 Wm -2. Together this amounts to 15% of the OLR-reduction caused by CH 4 at present atmospheric concentrations. Over Antarctica the combined effect of O 2 and N 2 increases on average to about 38% of CH 4 with single values reaching up to 80%. This is explained by less interference of H 2O spectral bands on the absorption features of O 2 and N 2 for dry atmospheric conditions.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
Keyword
- Space Technology
- Rymdteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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