31st Annual Meeting of the DPS, October 1999
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All findings are embargoed until the time of presentation at the meeting.

Session 69. Outer Planet Chemistry

Contributed Oral Parallel Session, Chair: P.N. Romani, V.S. Meadows, Friday, October 15, 1999, 10:30-12:00noon, Sala Astrolabio Kursaal

69.01 The Effects of External Material on the Physics and Chemistry of Outer-Planetary Atmospheres (Invited)
J. I. Moses (LPI)
69.02 The Origin of Carbon Monoxide on Jupiter
B. B\'ezard (Obs.\ Paris), D. Strobel (JHU), J.-P. Maillard (IAP), P. Drossart, E. Lellouch (Obs.\ Paris)
69.03 Photochemistry of Oxygen Compounds in Neptune's Stratosphere
P.N. Romani (NASA - GSFC), E. Lellouch, B. B\'{e}zard (Observatoire de Paris, Section de Meudon), H. Feuchtgruber (Max-Planck Inst. fur Extraterrestrische Physik)
69.04 Detection of C2H4 in Neptune from ISO/PHT-S Observations
Th. Encrenaz, B. B\'ezard, E. Lellouch (DESPA, Obs. Paris), B. Schulz (ISO Data Center, ESA, Madrid), P. N. Romani (NASA/GSFC), S. K. Atreya (Un. of Michigan)
69.05 Evidence for lightning-production of acetylene in Jupiter's equatorial troposphere.
Y. B\'{e}tremieux (Boston University), R.V. Yelle (Northern Arizona University)
69.06 Hydrocarbons in Jupiter as seen by ISO-SWS
T. Fouchet, E. Lellouch, P. Drossart, B. B\'ezard, Th. Encrenaz (DESPA), H. Feuchtgruber (MPI Garching)
69.07 The Composition of the SL9 Impact Plumes from Time-Resolved Near-Infrared Spectra
V.S. Meadows, D. Crisp (JPL)
69.08 Temporal Behavior Of Ammonia And Temperature In The Jovian Stratosphere Following The SL9 Impacts: New Results
T. Kostiuk (NASA/Goddard Space Flight Center), K. Fast, T.A. Livengood (University of Maryland/NASA GSFC), D. Buhl, F. Espenak, P. Romani (NASA/Goddard Space Flight Center), A.L. Betz, R. Boreiko (University of Colorado, Boulder)

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