Sushil K. Atreya

Webpage: http://www.umich.edu/~atreya/

Areas of Expertise: Origin and evolution of planetary and satellite atmospheres, astrobiology, photochemistry, electrochemistry.

• Fellow - AAAS (American Association for the Advancement of Science), Elected in 2005, for "Pioneering contributions to planetary atmosphere structure, mixing, and gas chemistry throughout the solar system".
• Co-Investigator - Mars Science Laboratory: Sample Analysis at Mars (SAM Suite: Gas Chromatograph Mass Spectrometer and Tunable Laser Spectrometer). Also, Science Lead in the EPO Program of MSL/SAM Suite, 2004-
• Co-Investigator - Juno - Jupiter Polar Orbiter, 2004-
• Co-Investigator - Venus Express: U.S. Participating Scientist (NASA) and Co Investigator (ESA), 2003-
• Co-Investigator - Cassini-Huygens: Gas Chromatograph-Mass Spectrometer, and Aerosol Collector Pyrolyzer on Huygens Probe, 1990-
• Co-Investigator - Mars Express: Planetary Fourier Spectrometer, 1998-

Recent publications:
Coupled Chemistry and Clouds of the Giant Planets - A Case for Multiprobes, S. K. Atreya and A. S. Wong, in The Outer Planets and their Moons (T. Encrenaz, R. Kallenbach, T. C. Owen, C. Sotin, eds.), pp. 121-136, Springer Publishers, New York-Heidelberg, 2005.

Chemical Markers of Possible Hot Spots on Mars, A.-S. Wong, S. K. Atreya, Th. Encrenaz, J. Geophys. Res.-Planets, 108(E4), 5026, doi:10.1029/2002JE002003, 2003. Correction and Update in JGR,110,E10002, doi:10.1029/2005JE,002509, 2005.

Jupiter's Ammonia Clouds - Localized or Ubiquitous?, S. K. Atreya, A. S. Wong, T. C. Owen, M. H. Wong, K. H. Baines, Planet. Space Sci., 53, 498, 2005.

Hydrogen Peroxide on Mars: Spatial Distribution and Seasonal Variations, with Th. Encrenaz, B. Bezard, T. Greathouse, M. Richter, J. Lacey, A. S. Wong, S. Lebonnois, F. Lefevere, F. Forget, Icarus, 170, 424, 2004.

Detection of Methane in the Atmosphere of Mars, V. Formisano, S. K. Atreya, T. Encrenaz, N. Ignatiev, M. Giuranna, Science, 306, 1758, 2004.