P11D:
Mars Upper Atmosphere, Ionosphere, Solar Wind Interactions, and Escape I

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Session ID#: 14960

Session Description:
The MAVEN (Mars Atmosphere and Volatile EvolutioN) mission at Mars, now into its second year, has been fruitfully investigating the science of the Mars upper atmosphere/plasma system, its interactions with the solar wind and atmospheric escape.  MAVEN is expanding on the earlier pathfinder observations made by the Viking Probes, the Phobos mission, Mars Global Surveyor, and in particular, the voluminous complete solar cycle coverage by the still operating Mars Express mission.  This session will seek contributions of new research developments using MAVEN and other compemetary Mars measurement assets as a further step in filling gaps in our understanding of the upper envelop of the Mars environment, its loss to space, and its control by the Sun.
Primary Convener:  Joseph M Grebowsky, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Conveners:  Bruce Martin Jakosky, Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States and Dmitri V. Titov, ESA-ESTEC, Noordwijk, Netherlands
Chairs:  Mats Holmström, IRF Swedish Institute of Space Physics Kiruna, Kiruna, Sweden and Glyn Collinson, NASA Goddard Space Flight Center, Greenbelt, MD, United States
OSPA Liaison:  Janet G Luhmann, Space Sciences Laboratory, University of California Berkeley, Berkeley, United States
Index Terms:

5210 Planetary atmospheres, clouds, and hazes [PLANETARY SCIENCES: ASTROBIOLOGY]
6225 Mars [PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS]
7899 General or miscellaneous [SPACE PLASMA PHYSICS]
7999 General or miscellaneous [SPACE WEATHER]

Abstracts Submitted to this Session:

The Ion Escape From Mars: 13 Years of Measurements From Mars Express (Invited) (177520)
Stanislav V Barabash1, Robin Ramstad2 and Mats Holmström1, (1)IRF Swedish Institute of Space Physics Kiruna, Kiruna, Sweden, (2)Department of Astrophysical and Planetary Sciences, University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States
MAVEN Measurements of Ion Escape Rates from Mars (Invited) (145059)
Dave A Brain1, James P McFadden2, Jasper S Halekas3, John E P Connerney4, Dr. Francis Gerard Eparvier, Ph.D.5, David L Mitchell2, Stephen W Bougher6, Charles Fleshner Bowers1, Shannon Curry7, Chuanfei Dong2, Yaxue Dong8, Xiaohua Fang5, Yuki Harada9, Bruce Martin Jakosky10, Robert J Lillis2, Janet G Luhmann11, Yingjuan Ma12, Ronan Modolo13 and Tristan David Weber14, (1)University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (2)University of California Berkeley, Berkeley, CA, United States, (3)University of Iowa, Iowa City, IA, United States, (4)Space Research Corporation, Annapolis, United States, (5)University of Colorado at Boulder, Boulder, United States, (6)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering Department, Ann Arbor, MI, United States, (7)University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (8)University of Colorado at Boulder, Boulder, CO, United States, (9)Space Sciences Laboratory, Berkeley, CA, United States, (10)Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States, (11)Space Sciences Laboratory, University of California Berkeley, Berkeley, United States, (12)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (13)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (14)University of Michigan, Ann Arbor, United States
Atmospheric escape at Mars during ICMEs (161872)
Shannon Curry1, Janet G Luhmann2, Jacob Gruesbeck3, Christina O Lee2, Dr. Takuya Hara4, Ronan Modolo5, Francois Leblanc6, Chuanfei Dong7, Jasper S Halekas8, Lan Jian9, Yingjuan Ma10, Dave A Brain11, Yaxue Dong12, Dr. Francis Gerard Eparvier, Ph.D.13, James P McFadden7, Jared R Espley14, John E P Connerney15, Davin E Larson4, David L Mitchell7 and Bruce M Jakosky16, (1)University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (2)Space Sciences Laboratory, University of California Berkeley, Berkeley, United States, (3)NASA GSFC, Greenbelt, United States, (4)Space Sciences Laboratory, Berkeley, United States, (5)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (6)LATMOS/IPSL, CNRS, Sorbonne Université, UVSQ, Paris, France, (7)University of California Berkeley, Berkeley, CA, United States, (8)University of Iowa, Iowa City, IA, United States, (9)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (10)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (11)University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (12)University of Colorado at Boulder, Boulder, CO, United States, (13)University of Colorado at Boulder, Boulder, United States, (14)NASA Goddard Space Flight Center, Greenbelt, United States, (15)Space Research Corporation, Annapolis, United States, (16)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States
MAVEN Observations of Present-Day Atmospheric Loss to Space: Implications for Long-Term Volatile Evolution (142362)
Bruce Martin Jakosky, Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States
The Mars-Solar wind coupling function – Investigations with Mars Express (143071)
Robin Ramstad1, Stas Barbash2, Yoshifumi Futaana2, Hans Nilsson2 and Mats Holmstrom2, (1)Department of Astrophysical and Planetary Sciences, University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (2)IRF Swedish Institute of Space Physics Kiruna, Kiruna, Sweden
Effect of crustal field rotation on ion loss rate and seasonal variation (142758)
Yingjuan Ma, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, Xiaohua Fang, University of Colorado at Boulder, Boulder, United States, Steven J Schwartz, Russian Academy of Sciences, Moscow, Russia, Andrew F Nagy, University of Michigan Ann Arbor, Ann Arbor, MI, United States, Janet G Luhmann, Space Sciences Laboratory, University of California Berkeley, Berkeley, United States and Dave A Brain, University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States
Seasonal variabilities of Martian planetary ion escape through the plume and tail (164206)
Yaxue Dong1, Xiaohua Fang2, Dave A Brain3, James P McFadden4, Jasper S Halekas5, John E P Connerney6, Dr. Francis Gerard Eparvier, Ph.D.2 and Bruce Martin Jakosky7, (1)University of Colorado at Boulder, Boulder, CO, United States, (2)University of Colorado at Boulder, Boulder, United States, (3)University of Colorado at Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (4)University of California Berkeley, Berkeley, CA, United States, (5)University of Iowa, Iowa City, IA, United States, (6)Space Research Corporation, Annapolis, United States, (7)LASP, University of Colorado Boulder, Boulder, United States

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