Improving solar wind modeling at Mercury: Incorporating transient solar phenomena into the WSA‐ENLIL model with the Cone extension
dc.contributor.author | Dewey, Ryan M. | en_US |
dc.contributor.author | Baker, Daniel N. | en_US |
dc.contributor.author | Anderson, Brian J. | en_US |
dc.contributor.author | Benna, Mehdi | en_US |
dc.contributor.author | Johnson, Catherine L. | en_US |
dc.contributor.author | Korth, Haje | en_US |
dc.contributor.author | Gershman, Daniel J. | en_US |
dc.contributor.author | Ho, George C. | en_US |
dc.contributor.author | McClintock, William E. | en_US |
dc.contributor.author | Odstrcil, Dusan | en_US |
dc.contributor.author | Philpott, Lydia C. | en_US |
dc.contributor.author | Raines, Jim M. | en_US |
dc.contributor.author | Schriver, David | en_US |
dc.contributor.author | Slavin, James A. | en_US |
dc.contributor.author | Solomon, Sean C. | en_US |
dc.contributor.author | Winslow, Reka M. | en_US |
dc.contributor.author | Zurbuchen, Thomas H. | en_US |
dc.date.accessioned | 2015-09-01T19:30:53Z | |
dc.date.available | 2016-08-08T16:18:39Z | en |
dc.date.issued | 2015-07 | en_US |
dc.identifier.citation | Dewey, Ryan M.; Baker, Daniel N.; Anderson, Brian J.; Benna, Mehdi; Johnson, Catherine L.; Korth, Haje; Gershman, Daniel J.; Ho, George C.; McClintock, William E.; Odstrcil, Dusan; Philpott, Lydia C.; Raines, Jim M.; Schriver, David; Slavin, James A.; Solomon, Sean C.; Winslow, Reka M.; Zurbuchen, Thomas H. (2015). "Improving solar wind modeling at Mercury: Incorporating transient solar phenomena into the WSA‐ENLIL model with the Cone extension." Journal of Geophysical Research: Space Physics 120(7): 5667-5685. | en_US |
dc.identifier.issn | 2169-9380 | en_US |
dc.identifier.issn | 2169-9402 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/113162 | |
dc.description.abstract | Coronal mass ejections (CMEs) and other transient solar phenomena play important roles in magnetospheric and exospheric dynamics. Although a planet may interact only occasionally with the interplanetary consequences of these events, such transient phenomena can result in departures from the background solar wind that often involve more than an order of magnitude greater ram pressure and interplanetary electric field applied to the planetary magnetosphere. For Mercury, an order of magnitude greater ram pressure combined with high Alfvén speeds and reconnection rates can push the magnetopause essentially to the planet's surface, exposing the surface directly to the solar wind flow. In order to understand how the solar wind interacts with Mercury's magnetosphere and exosphere, previous studies have used the Wang‐Sheeley‐Arge (WSA)‐ENLIL solar wind modeling tool to calculate basic and composite solar wind parameters at Mercury's orbital location. This model forecasts only the background solar wind, however, and does not include major transient events. The Cone extension permits the inclusion of CMEs and related solar wind perturbations and thus enables characterization of the effects of strong solar wind disturbances on the Mercury system. The Cone extension is predicated on the assumption of constant angular and radial velocities of CMEs to integrate these phenomena into the WSA‐ENLIL coupled model. Comparisons of the model results with observations by the MESSENGER spacecraft indicate that the WSA‐ENLIL+Cone model more accurately forecasts total solar wind conditions at Mercury and has greater predictive power for magnetospheric and exospheric processes than the WSA‐ENLIL model alone.Key PointsThe Cone extension to the WSA‐ENLIL modeling tool treats solar wind transientsWe have compared the WSA‐ENLIL+Cone (WEC) model with MESSENGER observationsWEC more accurately forecasts solar wind conditions at Mercury than WSA‐ENLIL | en_US |
dc.publisher | American Institute of Physics | en_US |
dc.publisher | Wiley Periodicals, Inc. | en_US |
dc.subject.other | MESSENGER | en_US |
dc.title | Improving solar wind modeling at Mercury: Incorporating transient solar phenomena into the WSA‐ENLIL model with the Cone extension | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Astronomy and Astrophysics | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/113162/1/jgra51958.pdf | |
dc.identifier.doi | 10.1002/2015JA021194 | en_US |
dc.identifier.source | Journal of Geophysical Research: Space Physics | en_US |
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