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Extensive MRO CRISM Observations of 1.27 micron O2 Airglow in Mars Polar Night and Their Comparison to MRO MCS Temperature Profiles and LMD GCM SimulationsThe Martian polar night distribution of 1.27 micron (0-0) band emission from O2 singlet delta [O2(1Delta(sub g))] is determined from an extensive set of Mars Reconnaissance Orbiter (MRO) Compact Reconnaissance Imaging Spectral Mapping (CRISM) limb scans observed over a wide range of Mars seasons, high latitudes, local times, and longitudes between 2009 and 2011. This polar nightglow reflects meridional transport and winter polar descent of atomic oxygen produced from CO2 photodissociation. A distinct peak in 1.27 micron nightglow appears prominently over 70-90NS latitudes at 40-60 km altitudes, as retrieved for over 100 vertical profiles of O2(1Delta(sub g)) 1.27 micron volume emission rates (VER). We also present the first detection of much (x80+/-20) weaker 1.58 micron (0-1) band emission from Mars O2(1Delta(sub g)). Co-located polar night CRISM O2(1Delta(sub g)) and Mars Climate Sounder (MCS) (McCleese et al., 2008) temperature profiles are compared to the same profiles as simulated by the Laboratoire de Météorologie Dynamique (LMD) general circulation/photochemical model (e.g., Lefèvre et al., 2004). Both standard and interactive aerosol LMD simulations (Madeleine et al., 2011a) underproduce CRISM O2(1Delta(sub g)) total emission rates by 40%, due to inadequate transport of atomic oxygen to the winter polar emission regions. Incorporation of interactive cloud radiative forcing on the global circulation leads to distinct but insufficient improvements in modeled polar O2(1Delta(sub g)) and temperatures. The observed and modeled anti-correlations between temperatures and 1.27 mm band VER reflect the temperature dependence of the rate coefficient for O2(1Delta(sub g)) formation, as provided in Roble (1995).
Document ID
20140005702
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1029/2011JE004018
Authors
Clancy, R. Todd (Space Science Inst. Boulder, CO, United States)
Sandor, Brad J. (Space Science Inst. Boulder, CO, United States)
Wolff, Michael J. (Space Science Inst. Boulder, CO, United States)
Smith, Michael Doyle (NASA Goddard Space Flight Center Greenbelt, MD United States)
Lefevre, Franck (Institut Pierre-Simon Laplace (IPSL) France)
Madeleine, Jean-Baptiste (Laboratoire de Meteorologie Dynamique Paris, France)
Forget, Francois (Laboratoire de Meteorologie Dynamique Paris, France)
Murchie, Scott L. (Johns Hopkins Univ. Columbia, MD, United States)
Seelos, Frank P. (Johns Hopkins Univ. Columbia, MD, United States)
Seelos, Kim D. (Johns Hopkins Univ. Columbia, MD, United States)
Nair, Hari A. (Johns Hopkins Univ. Columbia, MD, United States)
Toigo, Anthony D. (Johns Hopkins Univ. Columbia, MD, United States)
Humm, David (Johns Hopkins Univ. Columbia, MD, United States)
Kass, David M. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kleinbahl, Armin (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Heavens, Nicholas (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
May 13, 2014
Publication Date
August 22, 2012
Publication Information
Publication: Journal of Geophysical Research - Planets
Publisher: Wiley
Volume: 117
Issue: E11
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
GSFC-E-DAA-TN8903
Funding Number(s)
CONTRACT_GRANT: NNX10AL61G
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
Atmosphere
Mars
CRISM

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