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| Titel |
Retrieving the vertical distribution of stratospheric OClO from Odin/OSIRIS limb-scattered sunlight measurements |
| VerfasserIn |
P. Krecl, C. S. Haley, J. Stegman, S. M. Brohede, G. Berthet |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 6, no. 7 ; Nr. 6, no. 7 (2006-05-31), S.1879-1894 |
| Datensatznummer |
250003894
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| Publikation (Nr.) |
 copernicus.org/acp-6-1879-2006.pdf |
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| Zusammenfassung |
| The first vertical profiles of stratospheric OClO retrieved from Odin/OSIRIS
limb-scattered sunlight radiances are presented. The retrieval method is
based on a two-step approach, using differential optical absorption
spectroscopy combined with the maximum a posteriori estimator. The details
of the spectral window selection, spectral corrections and inversion
technique are discussed. The results show that OClO can be detected inside
the South polar vortex region between about 14 and 22 km altitude with a 2–5 km
height resolution and an estimated retrieval error better than 50% at
the peak. OClO concentrations show the expected relation to the atmospheric
conditions in the lower stratosphere in the austral spring 2002. This unique
data set of OClO profiles is very promising to study the stratospheric
chlorine activation in both polar regions. |
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