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PROGRAM AND ABSTRACTS LPI Contribution No. 1376 Workshop on Planetary Atmospheres November 6–7, 2007 Greenbelt, Maryland SPONSORED BY Lunar and Planetary Institute National Aeronautics and Space Administration SCIENTIFIC ORGANIZING COMMITTEE Don Banfield, Cornell University Jay T. Bergstralh, NASA Langley Research Center Mark Bullock, Southwest Research Institute Philippe Crane, NASA Headquarters Neil Dello Russo, Johns Hopkins University, Applied Physics Laboratory Heidi B. Hammel, Space Science Institute David L. Huestis, SRI International, Molecular Physics Laboratory Carey M. Lisse, Johns Hopkins University, Applied Physics Laboratory Julianne I. Moses, Lunar and Planetary Institute Adam P. Showman, University of Arizona Amy A. Simon-Miller, NASA Goddard Space Flight Center LOCAL ORGANIZING COMMITTEE Philippe Crane, NASA Headquarters Monica Washington, NASA Research and Education Support Services Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1113 LPI Contribution No. 1376 Compiled in 2007 by LUNAR AND PLANETARY INSTITUTE The Institute is operated by the Universities Space Research Association under Agreement No. NCC5-679 issued through the Solar System Exploration Division of the National Aeronautics and Space Administration. Any opinions, findings, and conclusions or recommendations expressed in this volume are those of the author(s) and do not necessarily reflect the views of the National Aeronautics and Space Administration. Material in this volume may be copied without restraint for library, abstract service, education, or personal research purposes; however, republication of any paper or portion thereof requires the written permission of the authors as well as the appropriate acknowledgment of this publication. Abstracts in this volume may be cited as Author A. B. (2007) Title of abstract. In Workshop on Planetary Atmospheres, p. XX. LPI Contribution No. 1376, Lunar and Planetary Institute, Houston. This volume is distributed by ORDER DEPARTMENT Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1113, USA Phone: 281-486-2172 Fax: 281-486-2186 E-mail: [email protected] Mail orders requestors will be invoiced for the cost of shipping and handling. ISSN No. 0161-5297 Preface This volume contains abstracts that have been accepted for presentation at the Workshop on Planetary Atmospheres, November 6–7, 2007, Greenbelt, Maryland. Administration and publications support for this meeting were provided by the staff of the Publications and Program Services Department at the Lunar and Planetary Institute. Workshop on Planetary Atmospheres v Contents Program .........................................................................................................................................................................1 UV Emission Processes in Planetary Atmospheres by Electron Impact: Titan UVIS Airglow Observations J. M. Ajello, R. S. Mangina, C. P. Malone, P. V. Johnson, M. Stevens, L. Esposito, H. Abgrall, and E. Roueff ..........................................................................................................11 Comparative Atmospheres of Earth-like Bodies: Titan, Mars and Venus S. K. Atreya ...................................................................................................................................................12 Io’s Atomic and Molecular Atmosphere: Auroral Emissions and the Electrodynamic Interaction F. Bagenal, P. Delamere, and V. Dols ..........................................................................................................13 Convection, Clouds and Precipitation on Titan Simulated with the Titan Regional Atmospheric Modeling System (TRAMS) E. L. Barth and S. C. Rafkin ..........................................................................................................................14 Three Dimensional Modeling of the Atmosphere of Enceladus and Its Interaction with the Magnetosphere of Saturn M. Benna and W. T. Kasprzak.......................................................................................................................16 Modeling Gas-Phase Chemistry in Cometary Atmospheres D. C. Boice ....................................................................................................................................................17 Laboratory Spectroscopy of Planetary Molecules L. Brown, B. Drouin, C. Miller, J. Pearson, G. Orton, R. Toth, C. Benner, M. Devi, T. Blake, T. Masiello, R. Sams, R. Butler, J. Champion, P. Chelin, A. Dehayem, I. Kleiner, J. Orphal, L. Sagui, R. Gamache, C. Humphrey, W. Liu, A. Predoi-Cross, A. Unnikrishnan, H. Muller, A. Nikitini, C. Rinsland, and M. Smith.............................................................19 Trace Components of Europa’s Atmosphere T. A. Cassidy and R. E. Johnson....................................................................................................................20 Numerical Simulations of Jupiter’s 5-Micron Hot Spots D. S. Choi, A. P. Showman, T. E. Dowling, and C. J. Palotai.......................................................................21 Laboratory Determination of Water Ice Cloud Properties Under Mars Conditions A. Colaprete, L. Iraci, and B. Phebus ...........................................................................................................23 Laboratory Studies of OH Vibrational Relaxation by Carbon Dioxide at Martian Temperatures R. A. Copeland, Z. M. Geballe, G. P. Smith, and K. S. Kalogerakis .............................................................25 14 CO2 Laser Heterodyne Measurements of Frequencies and Intensities of Ethane near 12 Microns J. D. Delgado, W. E. Blass, T. Hewagama, and T. Kostiuk...........................................................................27 Cometary Atmospheres N. Dello Rosa ................................................................................................................................................29 Interpreting High-Resolution Infrared Spectra of Comets N. Dello Russo, R. J. Vervack Jr., and H. A. Weaver....................................................................................30 Modeling Formaldehyde Emission in Comets M. A. DiSanti, D. C. Reuter, B. P. Bonev, M. J. Mumma, and G. L. Villanueva...........................................32 vi LPI Contribution No. 1376 Ammonia and Phosphine on Jupiter and Saturn S. G. Edgington and A. Simon-Miller............................................................................................................33 Atmospheres and Oceans from Initial Degassing in Terrestrial Planets L. T. Elkins-Tanton and S. Seager.................................................................................................................34 Product Yields from Vinyl Reactions with Ethyl Radicals and Ethylene and Photodissociation of Propene A. Fahr, J. B. Halpern, A. H. Laufer, Y. L. Zhao, and D. C. Tardy...............................................................36 Radial Surface Brightness Profiles as Diagnostic Tools in Cometary Dust Comae T. L. Farnham................................................................................................................................................37 Probing Mars’ Vertical Ozone Profile and Atmospheric Photochemistry K. E. Fast, T. Kostiuk, T. A. Livengood, and T. Hewagama..........................................................................39 Zonostrophic Turbulence: A Paradigm of Zonation on Giant Planets and in the Earth’s Oceans B. Galperin and S. Sukoriansky.....................................................................................................................41 Evolution of the D/H Ratio in Water on the Earth: Implication for the Origin of the Oceans H. Genda and M. Ikoma ................................................................................................................................43 Modeling of SO2 IR Radiation in 19 µm from the Sublimation Atmosphere of Io S. L. Gratiy, A. C. Walker, D. A. Levin, D. B. Goldstein, P. L. Varghese, L. M. Trafton, and B. D. Larignon ................................................................................................................44 + + + Dissociative Recombination of N2 , CO and OH S. L. Guberman..............................................................................................................................................46 Mars Water Cycle Simulations with the NASA/Ames GCM R. M. Haberle, F. Montmessin, M. A. Kahre, J. L. Hollingsworth, and J. Schaeffer ....................................48 Low Temperature Absorption of Sulfur Dioxide Between 280 and 330 nm J. B. Halpern, D. Carliss, C. Knight, and J. F. Burris ..................................................................................50 Optical Properties of Titan Haze Laboratory Analogs Using Cavity Ring Down Spectroscopy C. A. Hasenkopf, M. R. Beaver, M. A. Tolbert, O. B. Toon, and C. P. McKay..............................................51 High Resolution IR Spectroscopy: A Laboratory Program in Support of Planetary Atmospheric Research T. Hewagama, W. E. Blass, T. Kostiuk, and J. Delgado ...............................................................................52 Large-Scale Extratropical Cyclogenesis and Frontal Waves: Effects on Mars Dust J. L. Hollingsworth, M. A. Kahre, and R. M. Haberle...................................................................................54 Mathematics of Radiation Propagation in Planetary Atmospheres: Absorption, Refraction, Time Delay,