Despois, Didier and Ricaud, Philippe and Lautié, Nicolas and Schneider, Nicola and Jacq, Thierry and Biver, Nicolas and Lis, Dariusz C. and Chamberlin, Richard A. and Phillips, Thomas G. and Miller, Martin and Jenniskens, Peter (2000) Search for Extraterrestrial Origin of Atmospheric Trace Molecules — Radio Sub-Mm Observations during the Leonids. In: Leonid Storm Research. Springer Netherlands , Dordrecht, pp. 129-140. ISBN 9789048156245. https://resolver.caltech.edu/CaltechAUTHORS:20190829-131533738
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Abstract
To identify the effect of meteor showers on the molecular content of the upper atmosphere of the Earth, we have carried out ground-based observations of atmospheric HCN. HCN radio observations at CSO (Hawaii) on Nov 18/19, 1999, the night after the second Leonid shower maximum, show unusually low HCN abundances above 45 km altitude, which are only recovered after sunrise. We also investigated UARS/HALOE satellite data on H_2O and O_3. No correlation appears of year round H_2O and O_3 around 55 km with annual meteor showers, nor with meteor activity at the time of the 1998 Leonid shower.
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| Additional Information: | © Springer Science+Business Media Dordrecht 2000. Reprinted from Earth, Moon, and Planets, Volumes 82-83, 1998 (Published in 2000) We thank referees Steve Charnley and Frans Rietmeijer for helpfull comments. This work was supported by grants from CNRS/INSU (G.D.R. Exobiologie and Action Spécifique" Grands Telescopes Etrangers") and CNES, which also provided financial support to Nicolas Lautié. Didier Despois and Philippe Ricaud thank the CSO for providing excellent working conditions, very valuable technical help, and free accomodation at the telescope. CSO is supported by the National Science Foundation grant AST-9980846. Editorial handling: M. Fonda. | ||||||||||
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| Subject Keywords: | Early Earth, H_2O, HeN, Leonids 1999, lower thermosphere, O_3, mesosphere, meteors, micro-wave, radio | ||||||||||
| DOI: | 10.1007/978-94-017-2071-7_10 | ||||||||||
| Record Number: | CaltechAUTHORS:20190829-131533738 | ||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190829-131533738 | ||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||
| ID Code: | 98348 | ||||||||||
| Collection: | CaltechAUTHORS | ||||||||||
| Deposited By: | George Porter | ||||||||||
| Deposited On: | 30 Aug 2019 17:26 | ||||||||||
| Last Modified: | 16 Nov 2021 17:38 |
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