ROSES ID: NNH07ZDA001N Selection Year: 2008
Program Element: Focused Science Topic
Principal Investigator: Paul Withers
Affiliation(s): Boston University
Project Member(s):
Chamberlin, Phillip C Collaborator NASA
Galand, Marina Collaborator Imperial College London
Mendillo, Michael Collaborator Boston University
Summary:
We propose to study the effects of extreme solar flares and other disturbances on the Mars ionosphere in support of the Joint Focus Topic on Extreme Space Weather Events. Such flares will increase plasma densities at relatively low altitudes on timescales of minutes to hours. Ionospheric total electron content will change, affecting the accuracy of GPS-like navigation systems. Radio wave attenuation due to D-region absorption will change, affecting communications systems. GPS range error and radio signal attenuation will be calculated from a suite of ionospheric simulations. Several different flares willl be simulated using time-dependent solar irradiances. Solar zenith angle and other model inputs will be varied to explore parameter space.| Performance Year | Reference | Investigation Type | Actions |
|---|---|---|---|
| 1 | Mendillo, Michael; Withers, Paul; (2008), Solar Flare E... | not set | |
| 1 | Withers, Paul; (2009), A review of observed variability in ... | not set | |
| 1 | Lollo, Anthony; Withers, Paul; Fallows, Kathryn; Giraz... | not set |
| Performance Year | Reference | Actions |
|---|---|---|
| 1 | Chamberlin, P. C.; Lu, G.; Sternovsky, Z.; Withers, ... | |
| 1 | Withers, P.; (2010), An exploratory survey of the attenuati... | |
| 1 | Lollo, A.; Withers, P.; Fallows, K.; Girazian, Z. R.... | |
| 1 | Withers, P.; (2012), Simulations of the response of the Mar... | |
| 1 | Morgan, D. D.; Gurnett, D. A.; Duru, F.; Dubinin, E... | |
| 1 | Fallows, Kathryn J.; Gonzalez, G.; Withers, P.; Giraz... | |
| 1 | Fallows, K.; Gonzalez, G.; Withers, P.; Girazian, Z.;... |