Three-dimensional, multifluid, high spatial resolution MHD model studies of the solar wind interaction with Mars
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In this paper, a 3D, multifluid MHD model is used to study the interaction of the solar wind with Mars, where the authors obtain asymmetric densities, velocities, and magnetic pileup in the plane containing both the direction of solar wind and the convective electric field.Abstract:
[1] Our newly developed 3‐D, multifluid MHD model is used to study the interaction of the solar wind with Mars. This model is based on the BATS‐R‐US code, using a spherical grid and a radial resolution equal to 10 km in the ionospheric regions. We solve separate continuity, momentum, and energy equations for each ion fluid and run our model for both solar minimum and maximum conditions. We obtain asymmetric densities, velocities, and magnetic pileup in the plane containing both the direction of the solar wind and the convective electric field. These asymmetries are the result of the decoupling of the individual ions; therefore, our model is able to account for the respective dynamics of the ions and to show new physical processes that could not be observed by the single‐fluid model. Our results are consistent with the measured bow shock and magnetic pileup locations and with the Viking‐observed ion densities. We also compute the escape fluxes for both solar minimum and solar maximum conditions and compare them to the single‐fluid results and the observed values from Mars Express.read more
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MAVEN observations of the response of Mars to an interplanetary coronal mass ejection
Bruce M. Jakosky,Joseph M. Grebowsky,Janet G. Luhmann,John E. P. Connerney,Frank Eparvier,Robert E. Ergun,Jasper Halekas,D. Larson,Paul Mahaffy,J. P. McFadden,D. F. Mitchell,Nicholas M. Schneider,Richard W. Zurek,Stephen W. Bougher,David Brain,Yingjuan Ma,Christian Mazelle,Laila Andersson,David Andrews,D. Baird,Daniel N. Baker,Jared Bell,Mehdi Benna,Michael Chaffin,Phillip C. Chamberlin,Y.-Y. Chaufray,John Clarke,Glyn Collinson,Michael R. Combi,F. J. Crary,Thomas E. Cravens,Matteo Crismani,Shannon Curry,D. W. Curtis,Justin Deighan,Gregory T. Delory,R. M. Dewey,Gina A. DiBraccio,Chuanfei Dong,Yaxue Dong,P. Dunn,Meredith Elrod,Scott L. England,Anders Eriksson,Jared Espley,Scott Evans,Xiaohua Fang,Matthew Fillingim,K. Fortier,Christopher M. Fowler,Jane L. Fox,Hannes Gröller,Scott D. Guzewich,Takuya Hara,Yuki Harada,Gregory M. Holsclaw,Sonal Jain,R. Jolitz,François Leblanc,Christina O. Lee,Yuni Lee,Franck Lefèvre,Robert Lillis,Roberto Livi,Daniel Lo,Majd Mayyasi,William E. McClintock,T. McEnulty,Ronan Modolo,Franck Montmessin,Michiko Morooka,A. F. Nagy,Kirk Olsen,W. K. Peterson,Ali Rahmati,Suranga Ruhunusiri,Christopher T. Russell,Shotaro Sakai,J. A. Sauvaud,Kanako Seki,M. Steckiewicz,Michael L. Stevens,A. I. F. Stewart,Arnaud Stiepen,S. Stone,Valeriy Tenishev,Edward Thiemann,R. Tolson,D. Toublanc,Marissa F. Vogt,Tristan Weber,Paul Withers,Thomas N. Woods,Roger V. Yelle +93 more
TL;DR: Observations and models both show an enhancement in escape rate of ions to space during the Mars upper atmosphere, ionosphere, and interactions with the Sun and solar wind during an interplanetary coronal mass ejection impact in March 2015.
Journal ArticleDOI
Strong plume fluxes at Mars observed by MAVEN: An important planetary ion escape channel†
Yaxue Dong,Xiaohua Fang,David Brain,J. P. McFadden,Jasper Halekas,John E. P. Connerney,Shannon Curry,Yuki Harada,Janet G. Luhmann,Bruce M. Jakosky +9 more
TL;DR: The accepted version of the above article was posted prematurely on September 11, 2015 The final version of record will be made fully available at later date along with a special collection of related papers as discussed by the authors.
Journal ArticleDOI
Characterizing Atmospheric Escape from Mars Today and Through Time, with MAVEN
Robert Lillis,David Brain,Stephen W. Bougher,François Leblanc,Janet G. Luhmann,Bruce M. Jakosky,Ronan Modolo,Jane L. Fox,Justin Deighan,Xiaohua Fang,Yung-Ching Wang,Yuni Lee,Chuanfei Dong,Yingjuan Ma,Thomas E. Cravens,L. Andersson,Shannon Curry,Nicholas M. Schneider,Michael R. Combi,I. Stewart,John Clarke,J. M. Grebowsky,David L. Mitchell,Roger V. Yelle,Andrew F. Nagy,Daniel N. Baker,Robert P. Lin +26 more
TL;DR: In this paper, a collection of complementary models of the neutral and plasma environments of Mars' upper atmosphere and near-space environment are used to constrain the history of atmospheric loss on Mars.
Journal ArticleDOI
Early MAVEN Deep Dip campaign reveals thermosphere and ionosphere variability
S. W. Bougher,Bruce M. Jakosky,Jasper Halekas,J. M. Grebowsky,Janet G. Luhmann,Paul Mahaffy,John E. P. Connerney,Frank Eparvier,Robert E. Ergun,Davin Larson,J. P. McFadden,David L. Mitchell,Nicholas M. Schneider,Richard W. Zurek,Christian Mazelle,Laila Andersson,David Andrews,D. Baird,Daniel N. Baker,Jared Bell,Mehdi Benna,David Brain,Michael Chaffin,Phillip C. Chamberlin,Jean-Yves Chaufray,John Clarke,Glyn Collinson,Michael R. Combi,F. J. Crary,Thomas E. Cravens,Matteo Crismani,Shannon Curry,D. W. Curtis,Justin Deighan,G. T. Delory,R. M. Dewey,Gina A. DiBraccio,Chuanfei Dong,Yaxue Dong,P. Dunn,Meredith Elrod,Scott L. England,Anders Eriksson,Jared Espley,Scott Evans,Xiaohua Fang,Matthew Fillingim,K. Fortier,Christopher M. Fowler,Jane L. Fox,Hannes Gröller,Scott D. Guzewich,Takuya Hara,Yuki Harada,Gregory M. Holsclaw,Sonal Jain,R. Jolitz,F. Leblanc,Christina O. Lee,Yuni Lee,Franck Lefèvre,Robert Lillis,Roberto Livi,Daniel Lo,Yingjuan Ma,Majd Mayyasi,William E. McClintock,T. McEnulty,Ronan Modolo,Franck Montmessin,Michiko Morooka,A. F. Nagy,Kirk Olsen,W. K. Peterson,Ali Rahmati,Suranga Ruhunusiri,Christopher T. Russell,Shotaro Sakai,J. A. Sauvaud,Kanako Seki,M. Steckiewicz,Michael L. Stevens,A. I. F. Stewart,Arnaud Stiepen,S. Stone,Valeriy Tenishev,Edward Thiemann,Robert H. Tolson,D. Toublanc,Marissa F. Vogt,Tristan Weber,Paul Withers,Thomas N. Woods,Roger V. Yelle +93 more
TL;DR: In situ measurements of the upper atmosphere reveal previously unmeasured populations of neutral and charged particles, the homopause altitude at approximately 130 kilometers, and an unexpected level of variability both on an orbit-to-orbit basis and within individual orbits.
Journal ArticleDOI
The Aeronomy of Mars: Characterization by MAVEN of the Upper Atmosphere Reservoir That Regulates Volatile Escape
TL;DR: Jakosky et al. as mentioned in this paper used in-situ and remote measurements of the state variables of the Martian TIE system to determine present day escape rates from Mars, and provide an estimate of integrated loss to space throughout Mars history.
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