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| Titel |
Variability and trends in the OH airglow layer observed by GOMOS/ENVISAT |
| VerfasserIn |
Alain Hauchecorne, Laurent Blanot, Christophe Bellisario, Philippe Keckhut, Pierre Simoneau, Jean-Loup Bertaux |
| Konferenz |
EGU General Assembly 2016
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| Medientyp |
Artikel
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| Sprache |
en
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 18 (2016) |
| Datensatznummer |
250136332
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| Publikation (Nr.) |
 EGU/EGU2016-17349.pdf |
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| Zusammenfassung |
| The OH near-infrared nigthglow emission in the upper mesosphere is a marker of the chemistry and dynamics occurring at this level. The stellar occultation spectrometer GOMOS on board ENVISAT allowed to observe the OH(8-4) Meinel band in the spectral range 930-955 nm with a spectrometer dedicated to the observation of the water vapour. Climatology of OH emission has been established for the period 2002-2012. It allowed to confirm already published results as the maximum of intensity and semi-annual variation at the equator. The causes of variability and trends in the brightness and maximum altitude of the OH layer will be discussed. A new result concerns the apparent correlation of the emission rate with the solar activity. |
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