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Atmospheric Composition, Chemistry, and Clouds

Mills, Franklin P. and Esposito, Larry W. and Yung, Yuk L. (2007) Atmospheric Composition, Chemistry, and Clouds. In: Exploring Venus as a Terrestrial Planet. Geophysical monograph series. No.176. American Geophysical Union , Washington, DC, pp. 73-100. ISBN 9780875904412. https://resolver.caltech.edu/CaltechAUTHORS:20140825-083854023

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Abstract

Venus’ atmosphere has a rich chemistry involving interactions among sulfur, chlorine, nitrogen, hydrogen, and oxygen radicals. The chemical regimes in the atmosphere range from ion-neutral reactions in the ionosphere to photochemistry in the middle atmosphere to thermal equilibrium chemistry and surface-atmosphere reactions in the lower atmosphere. This variety makes Venus an important planet to understand within the context of terrestrial-like planets, both in our own solar system and outside it. The primary chemical cycles are believed known but surprisingly few details about these cycles have been fully verified by concurrence among observations, experiments, and modeling. Good models have been developed that account for many properties of the cloud layers, but the size distribution, shape, and composition of the majority of the aerosol mass are still open issues. This chapter reviews the state of knowledge prior to the Venus Express mission for the composition, chemistry, and clouds of the neutral atmosphere on Venus. Observations by instruments on Venus Express, in combination with ground-based observations, laboratory experiments, and numerical modeling, should answer some of the major open questions regarding the composition, chemistry, and clouds of Venus’ atmosphere.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1029/176GM06DOIArticle
http://onlinelibrary.wiley.com/doi/10.1029/176GM06/summaryPublisherArticle
ORCID:
AuthorORCID
Yung, Yuk L.0000-0002-4263-2562
Additional Information:© 2007 American Geophysical Union. Helpful comments were received from two anonymous referees and Dr. Thomas Cravens. YLY was supported in part by NASA grant NN X07AI63G to the California Institute of Technology. This research was partially supported under the Australian Research Council’s Discovery Projects funding scheme.
Funders:
Funding AgencyGrant Number
NASANN X07AI63G
Australian Research CouncilUNSPECIFIED
Subject Keywords:Venus (Planet)—Exploration; Venus (Planet)—Surface
Series Name:Geophysical monograph series
Issue or Number:176
DOI:10.1029/176GM06
Record Number:CaltechAUTHORS:20140825-083854023
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140825-083854023
Official Citation:Mills, F. P., Esposito, L. W. and Yung, Y. L. (2013) Atmospheric Composition, Chemistry, and Clouds, in Exploring Venus as a Terrestrial Planet (eds L. W. Esposito, E. R. Stofan and T. E. Cravens), American Geophysical Union, Washington, D. C.. doi: 10.1029/176GM06
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48830
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:25 Aug 2014 19:21
Last Modified:10 Nov 2021 18:36

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