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| Titel |
Odin–OSIRIS detection of the Chelyabinsk meteor |
| VerfasserIn |
L. A. Rieger, A. E. Bourassa, D. A. Degenstein |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 7, no. 3 ; Nr. 7, no. 3 (2014-03-24), S.777-780 |
| Datensatznummer |
250115647
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| Publikation (Nr.) |
 copernicus.org/amt-7-777-2014.pdf |
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| Zusammenfassung |
| On 15 February 2013 an 11 000 ton meteor entered Earth's atmosphere
southeast of Chelyabinsk, creating a large fireball at 23 km altitude. The
resulting stratospheric aerosol loading was detected by the Ozone Mapping and
Profiler Suite (OMPS) in a high-altitude polar belt. This work confirms the
presence and lifetime of the stratospheric debris using the Optical
Spectrograph and InfraRed Imaging System (OSIRIS) onboard the Odin satellite.
Although OSIRIS coverage begins in mid-March, the measurements show a belt of
enhanced scattering near 35 km altitude between 50° N and
70° N. Initially, enhancements show increased scattering of up to
15% over the background conditions, decaying in intensity and dropping in
altitude until they are indistinguishable from background conditions by
mid-May. An inversion is also attempted using the standard OSIRIS processing
algorithm to determine the extinction in the meteoric debris. |
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