Paul Withers

Peer Reviewed Papers

• Withers, Fillingim, Lillis, Haeusler, Hinson, Tyler, Paetzold, Peter, Tellmann, and Witasse (2012) Observations of the nightside ionosphere of Mars by the Mars Express Radio Science Experiment MaRS, Journal of Geophysical Research, 117, A12307, doi:10.1029/2012JA018185
  531K PDF

• Withers, Fallows, Girazian, Matta, Haeusler, Hinson, Tyler, Morgan, Paetzold, Peter, Tellmann, Peralta, and Witasse (2012) A clear view of the multifaceted dayside ionosphere of Mars, Geophysical Research Letters, 39, L18202, doi:10.1029/2012GL053193
  284K PDF

• Withers (2012) Empirical predictions of martian surface pressure in support of the landing of Mars Science Laboratory, Space Science Reviews, 170, 837-860
  1.1M PDF

• Vasavada, Chen, Barnes, Burkhart, Cantor, Dwyer-Cianciolo, Fergason, Hinson, Justh, Kass, Lewis, Mischna, Murphy, Rafkin, Tyler, and Withers (2012) Assessment of environments for Mars Science Laboratory entry, descent, and surface operations, Space Science Reviews, 170, 793-835
  8.8M PDF

• Lollo, Withers, Fallows, Girazian, Matta, and Chamberlin (2012) Numerical simulations of the ionosphere of Mars during a solar flare, Journal of Geophysical Research, 117, A05314, doi:10.1029/2011JA017399
  845K PDF

• Sheel, Haider, Withers, Kozarev, Jun, Kang, Gronoff, and Simon Wedlund (2012) Numerical simulation of the effects of a solar energetic particle event on the ionosphere of Mars, Journal of Geophysical Research, 117, A05312, doi:10.1029/2011JA017455
  854K PDF

• Mendillo, Lollo, Withers, Matta, Paetzold, and Tellmann (2011) Modeling Mars' ionosphere with constraints from same-day observations by Mars Global Surveyor and Mars Express, Journal of Geophysical Research, 116, A11303, doi:10.1029/2011JA016865
  2.5M PDF

• Xiong, Wan, Liu, Withers, Zhao, Ning, Wei, Le, Ren, Chen, He, and Liu (2011) Ionospheric response to the X-class solar flare on 7 September 2005, Journal of Geophysical Research, 116, A11317, doi:10.1029/2011JA016961
  1.7M PDF

• Withers, Pratt, Bertaux, and Montmessin (2011) Observations of thermal tides in the middle atmosphere of Mars by the SPICAM instrument, Journal of Geophysical Research, 116, E11005, doi:10.1029/2011JE003847
  1.9M PDF

• Withers (2011) Attenuation of radio signals by the ionosphere of Mars: Theoretical development and application to MARSIS observations, Radio Science, 46, RS2004, doi:10:1029/2010RS004450
  725K PDF

• Withers and Catling (2010) Observations of atmospheric tides at the season and latitude of the Phoenix atmospheric entry, Geophysical Research Letters, 37, L24204, doi:10.1029/2010GL045382
  158K PDF

• Lillis, Brain, England, Withers, Fillingim, and Safaeinili (2010) Total electron content in the Mars ionosphere: Temporal studies and dependence on solar EUV flux, Geophysical Research Letters, 115, A11314, doi:10.1029/2010JA015698
  1.9M PDF

• Withers (2010) Trajectory and atmospheric structure from entry probes: Demonstration of a real-time reconstruction technique using a simple direct-to-Earth radio link, Planetary and Space Science, 58, 2044-2049
  603K PDF

• Opgenoorth, Dhillon, Rosenqvist, Lester, Edberg, Milan, Withers and Brain (2010) Dayside ionospheric conductivities at Mars, Planetary and Space Science, 58, 1139-1151
  1.4M PDF

• Withers (2010) Prediction of uncertainties in atmospheric properties measured by radio occultation experiments, Advances in Space Research, 46, 58-73
  597K PDF

• Hathi, Ball, Colombatti, Ferri, Leese, Towner, Withers, Fulchigioni and Zarnecki (2009) Huygens HASI servo accelerometer: A review and lessons learned, Planetary and Space Science, 57, 1321-1333
  1.7M PDF

• Withers (2009) A review of observed variability in the dayside ionosphere of Mars, Advances in Space Research, 44, 277-307
  3.1M PDF

• Paetzold, Tellmann, Haeusler, Bird, Tyler, Christou and Withers (2009) A sporadic layer in the Venus lower ionosphere of meteoric origin, Geophysical Research Letters, 36, L05203, doi:10.1029/2008GL035875
  253K PDF

• Withers, Mendillo, Hinson and Cahoy (2008) Physical characteristics and occurrence rates of meteoric plasma layers detected in the martian ionosphere by the Mars Global Surveyor Radio Science Experiment, Journal of Geophysical Research, 113, A12314, doi:10.1029/2008JA013636
  6.6M PDF

• Withers (2008) Theoretical models of ionospheric electrodynamics and plasma transport, Journal of Geophysical Research, 113, A07301, doi:10.1029/2007JA012918.
  3.0M PDF

• Colombatti, Withers, Ferri, Aboudan, Ball, Bettanini, Gaborit, Harri, Hathi, Leese, Makinen, Stoppato, Towner, Zarnecki, Angrilli and Fulchignoni (2008) Reconstruction of the trajectory of the Huygens probe using the Huygens Atmospheric Structure Instrument (HASI), Planetary and Space Science, 56, 586-600.
  1.3M PDF

• Christou, Vaubaillon, and Withers (2008) The P/Halley stream: meteor showers on Earth, Venus, and Mars, Earth, Moon, and Planets, 102, 125-131.
  261K PDF

• Crosby, Bothmer, Facius, Griessmeier, Moussas, Panasyuk, Romanova, and Withers (2008) Interplanetary Space Weather and its Planetary Connection, Space Weather, 6, S01003, doi:10.1029/2007SW000361.
  406K PDF

• Christou, Vaubaillon, and Withers (2007) The dust trail complex of comet 79P/du Toit-Hartley and meteor outbursts at Mars, Astronomy and Astrophysics, 471, 321-329.
  495K PDF

• Withers (2007) A technique to determine the mean molecular mass of a planetary atmosphere using pressure and temperature measurements made by an entry probe: Demonstration using Huygens data, Planetary and Space Science, 55, 1959-1963
  209K PDF

• Montabone, Lewis, Read, and Withers (2006) Reconstructing the weather on Mars at the time of the MERs and Beagle 2 landings, Geophysical Research Letters, 33, L19202, doi:10.1029/2006GL026565.
  731K PDF

• Withers and Smith (2006) Atmospheric entry profiles from the Mars Exploration Rovers Spirit and Opportunity, Icarus, 185, 133-142, doi:10.1016/j.icarus.2006.06.013.
  558K PDF
  Supplemental Information: suppinfo_README.txt, suppinfo_mer1table.txt, and suppinfo_mer2table.txt

• Mendillo, Withers, Hinson, Rishbeth, and Reinisch (2006) Effects of solar flares on the ionosphere of Mars, Science, 311, 1135-1138, doi:10.1126/science.112209.
  249K PDF

• Bougher, Bell, Murphy, Lopez-Valverde, and Withers (2006) Polar warming in the Mars thermosphere: Seasonal variations owing to changing insolation and dust distributions, Geophysical Research Letters, 33, L02203, doi:10.1029/2005GL024059.
  306K PDF

• Withers (2006) Mars Global Surveyor and Mars Odyssey Accelerometer observations of the martian upper atmosphere during aerobraking, Geophysical Research Letters, 33, L02201, doi:10.1029/2005GL024447.
  241K PDF

• Fulchignoni and 42 colleagues, including Withers (2005) In situ measurements of the physical characteristics of Titan's environment, Nature, 438, 785-791, doi:10.1038/nature04314.
  533K PDF

• Withers and Mendillo (2005) Response of peak electron densities in the martian ionosphere to day-to-day changes in solar flux due to solar rotation, Planetary and Space Science, 53, 1401-1418, doi:10.1016/j.pss.2005.07.010.
  450K PDF

• Withers, Mendillo, Rishbeth, Hinson, and Arkani-Hamed (2005) Ionospheric characteristics above Martian crustal magnetic anomalies, Geophysical Research Letters, 32, L16204, doi:10.1029/2005GL023483.
  429K PDF

• Withers, Bougher, and Keating (2003) The effects of topographically-controlled thermal tides in the martian upper atmosphere as seen by the MGS accelerometer, Icarus, 164, 14-32
  415K PDF

• Withers, Towner, Hathi, and Zarnecki (2003) Analysis of entry accelerometer data: A case study of Mars Pathfinder, Planetary and Space Science, 51, 541-561
  417K PDF

• Withers, Lorenz, and Neumann (2002) Comparison of Viking descent data and MOLA topography reveals kilometer-scale offset in Mars atmosphere profiles, Icarus, 159, 259 - 261
  206K PDF

• Nockolds and Withers (2002) Comment and reply on "Meteor storm evidence against the recent formation of lunar crater Giordano Bruno" by Paul Withers, Meteoritics and Planetary Science, 37, 465 - 466
  35K PDF

• Withers and Neumann (2001) Enigmatic northern plains of Mars, Nature, 410, 651
  628K PDF and 336K gif figure (Image Credit: MOLA Science Team)

• Withers (2001) Meteor storm evidence against the recent formation of lunar crater Giordano Bruno, Meteoritics and Planetary Science, 36, 525 - 529
  803K PDF and jpg figures (fig1, fig2, fig3.)

• Lorenz, Lunine, Withers, and McKay, (2001) Titan, Mars and Earth: Entropy production by latitudinal heat transport, Geophysical Research Letters, 28, 415-418
  108K PDF

Other Publications

• Withers and Barnes (2012) Using satellites to probe extrasolar planet formation, astro-ph publication arXiv:1204.0976v1
  79K PDF

• Withers and Barnes (2012) Using satellites to probe extrasolar planet formation, Proceedings of IAU Symposium 276, doi:10.1017/S174392000038
  55K PDF

• Withers (2012) How do meteoroids affect Venus's and Mars's ionospheres?, Eos, 93(35), 337-338, doi: 10.1029/2012EO350002
  718K PDF

• Clarke, Schmidt, Baumgarder, Carveth, Matta, Mendillo, Moore, and Withers (2010) White paper on comparative planetary exospheres, white paper submitted to Heliophysics Decadal Survey
  924K PDF

• Withers and Catling (2010) The Phoenix Atmospheric Structure Experiment (ASE): Data processing and scientific results, proceedings of the Seventh International Planetary Probe Workshop
  1.3M PDF

• Atkinson and 55 colleagues, including Withers (2009) Entry probe missions to giant planets, white paper submitted to Planetary Science Decadal Survey
  136K PDF

• Kursinski and 33 colleagues, including Withers (2009) Dual satellite Mars climate and chemistry mission concept, white paper submitted to Planetary Science Decadal Survey
  1.1M PDF

• Mischna and 21 colleagues, including Withers (2009) Atmospheric science research priorities for Mars, white paper submitted to Planetary Science Decadal Survey
  114K PDF

• Beebe and 39 colleagues, including Withers (2009) Data management, preservation and the future of the PDS, white paper submitted to Planetary Science Decadal Survey
  193K PDF

• Withers and 42 colleagues (2009) The ionosphere of Mars and its importance for climate evolution, white paper submitted to Planetary Science Decadal Survey
  212K PDF

• Johnson, Amend, Steele, Bougher, Rafkin, Withers, Plescia, Hamilton, Tripathi and Heldmann (2008) Mars Science Goals, Objectives, Investigations, and Priorities: 2008, Report from the NASA Mars Exploration Program Analysis Group (MEPAG)
  347K PDF

• Mendillo and Withers (2008) Solar flare effects upon the ionospheres of Earth and Mars, in "Radio Sounding and Plasma Physics" (eds. Song, Foster, Mendillo, and Bilitza), American Institute of Physics Conference Proceedings, 974, 58-70.
  2.9M PDF

• Withers (2005) What is a planet?, Eos, 86(36), 326, doi:10.1029/2005EO360004.
  53K PDF

• Mendillo and Withers (2004) CEDAR workshop report on session CA1: Comparative aeronomy on Earth and Mars, CEDAR Post, 49 (Fall 2004), 4-5.
  968K PDF

• Farrell and 11 colleagues, including Withers. (2004) Report from the Mars Human Precursor Science Steering Group Atmosphere Focus Team.
  Incorporated into: Beaty et al. (2005) An analysis of the precursor measurements of Mars needed to reduce the risk of the first human mission to Mars, MEPAG report posted online in June 2005.
  Presentation 914K PDF
  White Paper 181K PDF
  MEPAG Report 1.7M PDF
  

• Withers (2004) Should we believe atmospheric temperatures measured by entry accelerometers travelling at "slow" near-sonic speeds?, in Proceedings of the Second International Planetary Probe Workshop, NASA Ames Research Center, California, 23-27 August 2004, NASA/CP-2004-213456, p. 13-20.
  314K PDF

• Withers, Towner, Hathi, and Zarnecki (2004) Review of the trajectory and atmospheric structure reconstruction for Mars Pathfinder, in Proceedings of the International Workshop Planetary Probe Atmospheric Entry and Descent Trajectory Analysis and Science, 6-9 October 2003, Lisbon, Portugal. Edited by A. Wilson. ESA SP-544, Noordwijk, Netherlands: ESA Publications Division, ISBN 92-9092-855-7, 2004, p. 163 - 174
  1.4M PDF

• Grier and 28 colleagues, including Withers (2002) Defining long term goals and setting priorities for education and public outreach, in "The future of solar system exploration, 2003-2013" (ed. Sykes), Astronomical Society of the Pacific Conference Series, 272, 393-411.
  179K PDF

• Withers (2001) Atmospheric structure reconstruction using the Beagle 2 accelerometer, Technical report delivered to the Open University, Great Britain
  470K PDF

Conference Presentations

• Ferreri, Withers, and Wiener (2012) Recovery of Mars ionospheric electron density profiles acquired by the Mariner 9 radio occultation instrument, Fall AGU meeting, Abstract SA51A-2140
  Abstract 2K text
  Presentation 705K PDF

• Girazian, Tarrh, Fallows, Withers, Haeusler, Paetzold, and Tellmann (2012) Comparisons between the ionospheres of Venus and Mars, Fall AGU meeting, Abstract SA51A-2139
  Abstract 2K text
  Presentation not available, not lead author

• Fallows, Girazian, and Withers (2012) Response of the M1 layer of the Mars ionosphere to solar variability, Fall AGU meeting, Abstract SA51A-2138
  Abstract 2K text
  Presentation not available, not lead author

• Andrews, Duru, Morgan, Opgenoorth, Witasse and Withers (2012) Oblique ionospheric reflections in the MARSIS data set, Fall AGU meeting, Abstract SA44A-08
  Abstract 2K text
  Presentation not available, not lead author

• Paetzold, Withers, Fillingim, Lillis, Hauesler, Hinson, Tyler, Peter, Tellmann, and Witasse (2012) Observations of the nightside ionosphere of Mars by the Mars Express Radio Science Experiment MaRS, Fall AGU meeting, Abstract SA44A-07
  Abstract 2K text
  Presentation 749K PDF

• Matta, Mendillo, and Withers (2012) Hydrogen at Mars: Effects on ion composition, Fall AGU meeting, Abstract SA44A-06
  Abstract 2K text
  Presentation not available, not lead author

• Riousset, Paty, Lillis, Fillingim, England, Withers, and Hale (2012) Modeling of Mars’ ionospheric electrodynamics under various local magnetic field topologies, Fall AGU meeting, Abstract P23A-1909
  Abstract 2K text
  Presentation not available, not lead author

• Moore, Withers, Cahoy, Beerer, Hu, Kennedy, Kingsbury, and Webber (2012) Development and validation of software to process radio occultation data: From time series of frequency residuals to vertical profiles of atmospheric and ionospheric properties, Fall AGU meeting, Abstract P22A-07
  Abstract 2K text
  Presentation 449K PDF

• Gronoff, Simon Wedlund, Mertens, Withers, Pawlowski, Parkinson, Bougher, Brain, Lillis, and Norman (2012) Comparative planetology study of extreme solar events: Mars, Venus, Titan, Earth, 9th European Space Weather Week, 5-9 November 2012, Brussels, Belgium, Unnumbered abstract
  Abstract 27K HTML
  Presentation not available, not lead author

• Withers and Pratt (2012) An observational study of the response of the thermosphere of Mars to lower atmospheric dust storms, DPS meeting, Abstract 214.06
  Abstract 27K HTML
  Presentation 989K PDF

• Fallows, Girazian, Matta, and Withers (2012) Response of the M1 layer of the Mars ionosphere to solar variability, DPS meeting, Abstract 214.05
  Abstract 26K HTML
  Presentation not available, not lead author

• Mayyasi-Matta, Withers, and Mendillo (2012) The effects of hydrogen on the ionosphere of Mars, DPS meeting, Abstract 206.02
  Abstract 24K HTML
  Presentation not available, not lead author

• Mendillo, Narvaez, and Withers (2012) Ionospheric variability at Mars, European Planetary Science Congress, Abstract EPSC2012-241
  Abstract 56K PDF
  Presentation not available, not lead author

• Witasse, Opgenoorth, Andrews, Lester, Fraenz, Morgan, Withers, Frahm, Leblanc, Barabash, Plaut, Orosei, Montmessin, Paetzold, Cardesin Moinelo, Elliot, and Howard (2012) Mars Express aeronomy and solar wind observation campaigns: Overview and selection of results, European Planetary Science Congress, Abstract EPSC2012-438
  Abstract 50K PDF
  Presentation not available, not lead author

• Withers (2012) Empirical predictions of martian surface pressure in support of the landing of Mars Science Laboratory, 9th International Planetary Probe Workshop, 18-22 June 2012, Toulouse, France, Unnumbered abstract
  Abstract 22K PDF
  Presentation 423K PDF

• Cahoy, Beerer, Marinan, Asmar, Withers, and Moore (2012) Interplanetary radio occultation CubeSat constellation, 1st Interplanetary CubeSat Workshop, Abstract B.2.1
  Abstract 1.7M PDF
  Presentation not available, not lead author

• Withers (2012) Simulations of the response of the Mars ionosphere to solar flares and solar energetic particle events, EGU meeting, Abstract EGU2012-1449
  Abstract 35K PDF
  Presentation 1.4M PDF

• Morgan, Gurnett, Duru, Dubinin, Fraenz, Opgenoorth, and Withers (2012) Flare effects on Mars’s ionosphere observed by Mars Express topside sounding, EGU meeting, Abstract EGU2012-10547
  Abstract 37K PDF
  Presentation not available, not lead author

• Withers and Matta (2012) Simulations of the ionosphere of Mars, ISSI workshop on The induced magnetosphere of Mars: Physical processes and consequences, Berne, Switzerland, 13 November 2012
  Presentation not available

• Withers (2012) Ionosphere of Mars: Miscellaneous stuff, VEX/MEX Radio Science Team Meeting, Cologne, Germany, 11 January 2012
  Presentation 2.1M PDF

  2011

• Fallows, Withers, and Girazian (2011) Variability in the M1 layer of the martian ionosphere, Fall AGU meeting, Abstract SA13A-1880
  Abstract 4K HTML
  Presentation 927K PDF

• Girazian, Withers, Fallows, Paetzold, and Tellmann (2011) How Chapman-like is the ionosphere of Mars?, Fall AGU meeting, Abstract SA13A-1879
  Abstract 5K HTML
  Presentation 632K PDF

• Matta, Lollo, Withers, and Mendillo (2011) Hydrogen species in the ionosphere of Mars, Fall AGU meeting, Abstract SA13A-1874
  Abstract 5K HTML
  Presentation 2.3M PDF

• Lollo, Withers, Fallows, Girazian, Matta, and Chamberlin (2011) Numerical simulations of the ionosphere of Mars during a solar flare, Fall AGU meeting, Abstract SA13A-1873
  Abstract 5K HTML
  Presentation 167K PDF

• Paetzold, Haeusler, Bird, Peter, Tellmann, Tyler, and Withers (2011) Radio sounding of the Martian and Venusian ionospheres, Fall AGU meeting, Abstract SA12A-01
  Abstract 5K HTML
  Presentation not available, not lead author

• Riousset, Paty, Lillis, Fillingim, England, and Withers (2011) Novel modeling of Mars ionospheric electrodynamics, Fall AGU meeting, Abstract SA11A-03
  Abstract 6K HTML
  Presentation not available, not lead author

• Pratt and Withers (2011) Effects of dust storms on the upper atmosphere of Mars, Fall AGU meeting, Abstract P21A-1646
  Abstract 4K HTML
  Presentation 2.3M PDF

• Girazian, Withers, Paetzold, and Tellmann (2011) The vertical structure of the martian ionosphere, 218th American Astronomical Society meeting, Abstract 224.09
  Abstract 26K HTML
  Presentation 527K PDF

• Matta, Mendillo, Lollo, Withers, Paetzold, and Tellmann (2011) Approaches to modeling Mars' ionosphere Using same-day observations from both hemispheres, EPSC-DPS Joint Meeting 2011, Abstract 0125
  Abstract 121K PDF
  Presentation not available, not lead author

• Withers, Fallows, Girazian, Lollo, and Matta (2011) The vertical structure of the ionosphere of Mars, EPSC-DPS Joint Meeting 2011, Abstract 0089
  Abstract 121K PDF
  Presentation not available, not presenter

• Morgan, Gurnett, Duru, Plaut, Mitrofanov, Withers, Fraenz, and Opgenoorth (2011) Response of the Martian ionosphere to a coronal mass ejection as detected by Mars Express radar sounding, EPSC-DPS Joint Meeting 2011, Abstract 1130
  Abstract 569K PDF
  Presentation not available, not lead author

• Ferri, Lewis, Withers, Aboudan, Bettanini, Colombatti, Debei, Golombek, Harri, Komatsu, Leese, Makinen, Mueller-Wodarg, Ori, Patel, Pondrelli, Siili, Tokano, Towner, and Zarnecki (2011) ExoMars Entry, Descent and Landing Science, EPSC-DPS Joint Meeting 2011, Abstract 0388
  Abstract 201K PDF
  Presentation not available, not lead author

• Riousset, Paty, Lillis, Fillingim, England, and Withers (2011) A novel modeling of Mars ionospheric electrodynamics, NSF CEDAR Aeronomy meeting
  Abstract and presentation not available
  

• Withers, Pratt, Bertaux, Montmessin, Forbes, and Moudden (2011) Observations of thermal tides in the middle atmosphere of Mars by the SPICAM instrument, The Fourth International Workshop on the Mars Atmosphere: Modelling and observation, Abstract #363
  Abstract 75K PDF
  Presentation 1.4M PDF

• Withers (2011) Vertical structure of the ionosphere of Mars, VEX/MEX Radio Science Team Meeting, Brussels, Belgium, 14 March 2011
  Presentation 2.6M PDF

• Withers (2011) Waviness in the Venus atmosphere, VEX/MEX Radio Science Team Meeting, Brussels, Belgium, 14 March 2011
  Presentation 208K PDF

• Withers (2011) Thermospheric Variability MCDP Work, MAVEN Project Science Group Meeting, Berkeley, CA, 19 October 2011
  Presentation 1.3M PDF

• Withers (2011) Planetary science (mostly atmospheres) at Boston University, Planetary Science Decadal Survey Townhall Meeting, Boston, MA, 25 March 2011
  Presentation 517K PDF

• Withers (2011) Planetary atmospheres and ionospheres, BU Astronomy department symposium, Boston, MA, 14 October 2011
  Presentation 1.0M PDF

  2010
  

• Withers (2010) An exploratory survey of the attenuation of radio signals by the ionosphere of Mars, Fall AGU meeting, Abstract #SH43A-1807
  Abstract 4K HTML
  Presentation 1.0M PDF

• Lollo, Mendillo, Withers, Matta, Paetzold and Tellmann (2010) Modeling Mars’ ionosphere with constraints from same-day observations by Mars Global Surveyor and Mars Express, Fall AGU meeting, Abstract #P52A-09
  Abstract 5K HTML
  Presentation not available, not lead author

• Matta, Withers, Lollo and Mendillo (2010) 1.5 dimensional model of the martian ionosphere, Fall AGU meeting, Abstract #P53E-1557
  Abstract 5K HTML
  Presentation not available, not lead author

• Jolitz, Brain, Lillis, Fillingim, Withers, England and Safaeinili (2010) Total electron content in the Mars ionosphere: Temporal studies and dependence on solar inputs and crustal magnetic fields, Fall AGU meeting, Abstract #SM41B-1868
  Abstract 7K HTML
  Presentation not available, not lead author

• Lollo, Mendillo, Withers, Matta, Paetzold and Tellmann (2010) Modeling Mars’ ionosphere with constraints from same-day, multi-point observations, VEX/MEX radio science team meeting, Boston, MA, 1-2 November 2010
  Presentation not available, not lead author

• Girazian and Withers (2010) Unusual features in the Mars ionosphere, VEX/MEX radio science team meeting, Boston, MA, 1-2 November 2010
  Presentation not available, not lead author

• Opgenoorth, Withers, Witasse and the MUAN team (2010) Mars upper atmosphere network, DPS meeting, Abstract #30.10
  Abstract 1K text
  Presentation 4.8M PDF

• Withers, Lillis, Witasse, Opgenoorth and the MUAN team (2010) Mars upper atmosphere network, 5th Alfven conference, Sapporo, Japan, 4-8 October 2010, Abstract P-84
  Abstract 61K PDF
  Presentation 4.8M PDF

• Withers, Matta and Mendillo (2010) The unusual electrodynamics of Mars, European Planetary Science Congress, Rome, Italy, 20-24 September 2010, Abstract EPSC2010-68
  Abstract 141K PDF
  Presentation 1.6M PDF

• Withers, Witasse, Opgenoorth and the MUAN team (2010) Mars upper atmosphere network, European Planetary Science Congress, Rome, Italy, 20-24 September 2010, Abstract EPSC2010-289 (P96)
  Abstract 141K PDF
  Presentation 4.8M PDF

• Matta and Withers (2010) Recent results from Boston University, Workshop on coordinated upper atmospheric research at Mars, Max Planck Institute for Solar System Research, Rome, Italy, 16-17 September 2010
  Presentation 633K PDF

• Withers (2010) Predicting radio occultation uncertainties, VEX/MEX radio science team meeting, Sugarbowl, CA, 3-4 August 2010
  Presentation 185K PDF

• Withers (2010) Unusual martian ionospheric features, VEX/MEX radio science team meeting, Sugarbowl, CA, 3-4 August 2010
  Presentation 464K PDF

• Withers, Witasse and Opgenoorth (2010) Mars upper atmosphere network, 38th COSPAR meeting, Bremen, Germany, Abstract C32-0044-10
  Abstract 27K PDF
  Presentation not available, very similar to other 2010 presentations on this topic

• Withers (2010) Attenuation of radio signals by the ionosphere of Mars: Theoretical development and exploratory survey, meeting of the Living With a Star Targeted Research and Technology Focus Team on “Extreme space weather events in the solar system”, Los Angeles, CA, 7 July 2010
  Presentation 1.3M PDF

• Dhillon, Opgenoorth, Rosenqvist, Lester, Brain, Withers, Edberg and Milan (2010) Martian ionospheric conductivities in the magnetic pileup and crustal field regions, EGU meeting, Abstract EGU2010-11271
  Abstract 35K PDF
  Presentation not available, not lead author

• Opgenoorth, Dhillon, Rosenqvist, Lester, Edberg, Milan, Withers and Brain (2010) Dayside ionospheric conductivities at Mars, EGU meeting, Abstract EGU2010-14232
  Abstract 37K PDF
  Presentation not available, not lead author

• Withers (2010) The nightside ionosphere of Mars, VEX/MEX radio science team meeting, Bonn, Germany, 18-19 March 2010
  Presentation 1.2M PDF

• Withers and Matta (2010) Recent results from Boston University, Workshop on coordinated upper atmospheric research at Mars, Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, 25-26 January 2010
  Presentation 932K PDF

• Withers and Lollo (2010) Thermospheric variability MCDP work, MAVEN Project Science Group meeting, Berkeley, CA, 20-22 October 2010
  Presentation 2.2M PDF

• Pratt, Russo, Withers, Bertaux and Montmessin (2010) Observations of thermal tides in the atmosphere of Mars by the SPICAM instrument, DPS meeting, Abstract #30.01
  Abstract 1K text
  Presentation 962K PDF

• Withers (2010) Oscillations in Venus neutral atmosphere, VEX/MEX radio science team meeting, Sugarbowl, CA, 3-4 August 2010
  Presentation 779K PDF

• Withers (2010) Rediscovering old datasets, VEX/MEX radio science team meeting, Sugarbowl, CA, 3-4 August 2010
  Presentation 40K PDF

• Mueller-Wodarg, Rosenblatt, Bruinsma, Yelle, Svedhem, Forbes, Withers, Keating and Lopez-Valverde (2010) The polar thermosphere of Venus, 38th COSPAR meeting, Bremen, Germany, C31-0009-10
  Abstract 29K PDF
  Presentation not available, not lead author

• Withers (2010) Venera 15/16 ionospheric profiles, VEX/MEX radio science team meeting, Bonn, Germany, 18-19 March 2010
  Presentation 383K PDF

• Withers (2010) Trajectory and atmospheric structure reconstruction from entry probes: Demonstration of a real-time reconstruction technique using a simple direct-to-Earth radio link, DPS meeting, Abstract #30.11
  Abstract 1K text
  Presentation 322K PDF

• Withers and Catling (2010) Results from the Phoenix Atmospheric Structure Experiment, 7th International Planetary Probe Workshop, 14-18 June 2010, Barcelona, Spain
  Abstract 73K PDF
  Presentation 1.8M PDF

• Withers (2010) Radio tracking of Phoenix during its landing on Mars, VEX/MEX radio science team meeting, Bonn, Germany, 18-19 March 2010
  Presentation 442K PDF

  2009
  

• Dhillon, Rosenqvist, Opgenoorth, Withers, Brain and Lester (2009) Studies of martian ionospheric conductivities undertaken using Mars Global Surveyor and Mars Express data, Fall AGU meeting, Abstract #P23A-1242
  Abstract 4K HTML
  Presentation not available, not lead author

• Opgenoorth, Rosenqvist, Dhillon, Lester, Withers and Brain (2009) Ionospheric conductivities at planets and planet-like bodies without internal magnetic field, Fall AGU meeting, Abstract #P11B-1225
  Abstract 5K HTML
  Presentation not available, not lead author

• Withers (2009) Simulations of the effects of extreme solar flares on technological systems at Mars, meeting of the Living With a Star Targeted Research and Technology Focus Team on "Extreme space weather events in the solar system", San Francisco, CA, 13 December 2009
  Presentation 957K PDF

• Withers, Lollo, Mendillo, Paetzold and Tellmann (2009) Comparisons and simulations of same-day observations of the ionosphere of Mars by radio occultation experiments on Mars Global Surveyor and Mars Express, DPS meeting, Abstract #54.08
  Abstract 24K HTML
  Presentation 645K PDF

• Withers, Espley, Lillis and Morgan (2009) The ionosphere of Mars: A community white paper for the planetary decadal survey, DPS meeting, Abstract #16.20
  Abstract 23K HTML
  Presentation 113K PDF

• Lollo, Withers and Mendillo (2009) Modeling Mars’ ionosphere with constraints from same-day, multi-point observations, VEX/MEX radio science team meeting, Port Townsend, WA, 27-28 August 2009
  Presentation not available, not lead author

• Withers and Mendillo (2009) The effects of solar flares on planetary ionospheres, AOGS meeting, Abstract #PS14-A004, Singapore, 10-14 August 2009
  Abstract 97K PDF
  Presentation 1.1M PDF

• Withers, Espley, Lillis and Morgan (2009) The ionosphere of Mars and its importance for climate evolution, MEPAG meeting, Providence, RI, 29-30 July 2009
  Presentation 48K PDF

• Withers (2009) Observations of metal ion layers across the solar system, NSF CEDAR Aeronomy Meeting, Sante Fe, NM, 28 June - 2 July 2009
  Presentation 1.4M PDF
  Workshop report 5K text

• Withers (2009) Simulations of the effects of extreme solar flares on technological systems at Mars, meeting of the Living With a Star Targeted Research and Technology Focus Team on "Extreme space weather events in the solar system", Melbourne, FL, 8 June 2009
  Presentation 595K PDF

• Withers, Christou, Mendillo, Paetzold, Peter, Tellmann and Vaubaillon (2009) Observations of the effects of meteors on the ionospheres of Venus, Earth and Mars, International Conference on Comparative Planetology: Venus-Earth-Mars, ESTEC, 11-15 May 2009
  Abstract 148K PDF
  Presentation 970K PDF

• Chamberlin, Lu, Sternovsky, Withers and Woods (2009) Using the Flare Irradiance Spectral Model (FISM) to study the response of the Earth, Mars and Moon to solar flares, EGU meeting, Abstract EGU2009-5970
  Abstract 123K PDF
  Presentation not available, not lead author

• Withers (2009) Estimating uncertainties in measurements of atmospheric properties by radio occultations, VEX/MEX radio science team meeting, Cologne, 16-17 April 2009
  Presentation 143K PDF

• Withers, Bertaux, Montmessin, Pratt and Russo (2009) Observations of tides and temperatures in the martian atmosphere by Mars Express SPICAM stellar occultations, EGU meeting, Abstract EGU2009-5355
  Abstract 112K PDF
  Presentation 2.0M PDF

• Withers and Matta (2009) Research at Boston University on the upper atmosphere of Mars, Workshop on coordinated upper atmospheric research at Mars, ESTEC, 17-19 March 2009
  Presentation 652K PDF

• Paetzold, Haeusler, Tellmann, Bird, Hinson, Tyler and Withers (2009) The ionospheres of Venus and Mars - A comparison of Venus Express and Mars Express observations, DPS meeting, Abstract #48.04
  Abstract 23K HTML
  Presentation not available, not lead author

• Withers and Catling (2009) Preliminary reconstruction of martian atmospheric structure from Phoenix entry measurements, Fall AGU meeting, Abstract #P54B-08
  Abstract 3K HTML
  Presentation 514K PDF

• Withers (2009) A simple method for supporting future landers by predicting surface pressure on Mars, AOGS meeting, Abstract #PS08-A021, Singapore, 10-14 August 2009
  Abstract 99K PDF
  Presentation 845K PDF

• Tellmann, Withers, Paetzold, Haeusler, Tyler and Hinson (2009) The polar atmosphere as seen by the radio science experiment MaRS on Mars Express, Third International Workshop on Mars Polar Energy Balance and the CO2 Cycle, Abstract #7024, Seattle, WA, 21-24 July 2009
  Abstract 131K PDF
  Presentation not available, not lead author...

• Withers and Tellmann (2009) Simplifying the martian carbon dioxide cycle: An empirical method for predicting surface pressure, Third International Workshop on Mars Polar Energy Balance and the CO2 Cycle, Abstract #7009, Seattle, WA, 21-24 July 2009
  Abstract 131K PDF
  Presentation 581K PDF

• Withers (2009) MEX surface pressure measurements, VEX/MEX radio science team meeting, Cologne, 16-17 April 2009
  Presentation 353K PDF

  2008
  

• Withers (2008) Simulations of the effects of extreme solar flares on technological systems at Mars, meeting of the Living With a Star Targeted Research and Technology Focus Team on "Extreme space weather events in the solar system", San Francisco, CA, 14 December 2008
  Presentation 534K PDF

• Withers (2008) Mars ionospheric research at Boston University, VEX/MEX Radio Science Team Meeting, Brussels, 15-16 November 2008
  Presentation 117K PDF

• Withers, Paetzold and Christou (2008) Meteor layers in the martian and venusian ionospheres: Their connection to meteor showers, Europlanet N3 4th Strategic Workshop on Meteor Studies, Cologne, September 2008
  Presentation 865K PDF

• Paetzold and Withers (2008) Plasma layers in the terrestrial, martian and venusian ionosphere: Their origins and physical characteristics, Europlanet N3 4th Strategic Workshop on Meteor Studies, Cologne, September 2008
  Presentation 1.3M PDF

• Christou, Griffiths, McAuliffe, Koschny, Paetzold, Oberst, Trigo-Rodriguez, Vaubaillon, Withers, Chappelow and Patel (2008) A multi-instrument ExoMars study of meteoroid effects on the martian environment, European Planetary Science Congress, Abstract EPSC2008-A-00196
  Abstract 275K PDF
  Presentation not available, not lead author

• Paetzold, Tellmann, Peter, Mendillo, Withers, Haeusler, Hinson and Tyler (2008) The structure of the Mars ionosphere, European Planetary Science Congress, Abstract EPSC2008-A-00348
  Abstract 116K PDF
  Presentation not available, not lead author

• Paetzold, Tellmann, Peter, Mendillo, Withers, Haeusler, Hinson and Tyler (2008) The structure of the Mars ionosphere, 37th COSPAR meeting, Montreal, Abstract C32-0010-08
  Abstract 28K PDF
  Presentation not available, not lead author

• Withers (2008) Variability of the ionosphere of Mars, 37th COSPAR meeting, Montreal, Abstract C32-0011-08
  Abstract 27K PDF
  Presentation 3.1M PDF

• Mendillo, Niehof, Garcia, Prested, McGregor, Viall, Moore, Withers, Martinis, and Stephan (2008) Can Equatorial Spread-F occur on other planets?, 12th International Symposium on Equatorial Aeronomy, 18-24 May 2008, Crete, Greece.
  Abstract 43K PDF
  Presentation not available, not lead author

• Paetzold, Tellmann, Peter, Mendillo, Withers, Hausler, Hinson, and Tyler (2008) The structure of the Mars ionosphere, EGU meeting, Abstract EGU2008-A-06804
  Abstract 7K PDF
  Presentation not available, not lead author

• Christou, Vaubaillon and Withers (2008) Present and future observations of a meteor shower in the martian atmosphere, UK National Astronomy Meeting, Abstract P15/112
  Abstract 2K text
  Presentation not available, not lead author

• Withers, Mendillo, Hinson, and Cahoy (2008) Morphology of meteoric plasma layers in the ionosphere of Mars as observed by the Mars Global Surveyor Radio Science Experiment, EGU meeting, Abstract EGU2008-A-02893
  Abstract 7K PDF
  Presentation 930K PDF

• Withers (2008) New data products from the Mars Odyssey Accelerometer: Report on Scientific Implications, Data Processing, Validation and Archiving, Third International Workshop on the Mars Atmosphere: Modeling and Observations, Williamsburg, 10-13 November 2008, Abstract #9035
  Abstract 340K PDF
  Presentation 442K PDF

• Withers, Bendersky, Keller and Murphy (2008) Upper atmospheric density profiles from the Mars Odyssey Accelerometer: Report on data processing, archiving plans, and scientific analysis, DPS meeting, Abstract #14.07
  Abstract 3K HTML
  Presentation 1.0M PDF

• Mueller-Wodarg, Bruinsma, Forbes, Yelle, Keating, Withers and Lopez-Valverde (2008) The structure of Venus' upper atmosphere and forthcoming measurements by the Venus Express Atmospheric Drag Experiment, 37th COSPAR meeting, Montreal, Abstract C33-0023-08
  Abstract 33K PDF
  Presentation not available, not lead author

• Keating, Mueller-Wodarg, Forbes, Yelle, Bruinsma, Withers, Lopez-Valverde, Theriot and Bougher (2008) Future drag measurements from Venus Express, 37th COSPAR meeting, Montreal, Abstract C33-0024-08
  Abstract 34K PDF
  Presentation not available, not lead author

• Withers, Barnes, Justus, Justh, Kass, Montabone and Rafkin (2008) Comparison of atmospheric observations and predictions for the atmospheric entries of Spirit and Opportunity, 39th LPSC, Abstract #2175
  Abstract 41K PDF
  Presentation 936K PDF

  2007
  

• Paetzold, Withers, Tellmann, Mendillo, Peter, Hausler, Hinson, and Tyler (2007) The structure of the Mars ionosphere (2007), Fall AGU meeting, Abstract P32A-01
  Abstract 4K HTML
  Presentation not available, not lead author

• Withers (2007) New theoretical tools for studying ionospheric electrodynamics, Fall AGU meeting, Abstract SA51A-0237
  Abstract 4K HTML
  Presentation 703K PDF

• Paetzold, Tellmann, Peter, Hausler, Hinson, Tyler, Mendillo, and Withers (2007) The structure of the ionosphere of Mars as observed by the Mars Express Radio Science Experiment, European Mars Science and Exploration Conference: Mars Express and ExoMars, November 12-16, 2007, ESA-ESTEC, Noordwijk, The Netherlands, Abstract #1120009
  Abstract 15K PDF
  Presentation not available, not lead author

• Christou, Griffiths, McAuliffe, Koschny, Paetzold, Oberst, Trigo-Rodriguez, Vaubaillon, Withers and Chappelow (2007) A multi-instrument ExoMars study of meteoroid effects on the martian environment, European Mars Science and Exploration Conference: Mars Express and ExoMars, November 12-16, 2007, ESA-ESTEC, Noordwijk, The Netherlands, Abstract #1119183
  Abstract 25K PDF
  Presentation not available, not lead author

• Withers, Mendillo, Paetzold, Tellmann, Christou, and Vaubaillon (2007) Comparison of ionospheric observations and dynamical predictions of meteor showers at Mars, DPS meeting, Abstract #59.08
  Abstract 1K txt
  Presentation 250K PDF

• Christou, Vaubaillon, and Withers (2007) Annual and outburst meteor activity in the atmospheres of Venus and Mars, Meteoroids 2007, June 11-15, 2007, Barcelona, Spain
  Abstract 722K PDF
  Presentation not available, not lead author

• Mendillo and Withers (2007) Simultaneous radio sounding of the ionospheres of Earth and Mars during a solar flare, Symposium in honor of Professor Bodo Reinisch's 70th birthday, University of Massachusetts - Lowell, 29 April 2007
  Abstract not required
  Presentation 1.4M PDF

• Withers, Wroten, Mendillo, and Chamberlin (2007) Simulations of the Mars ionosphere during a solar flare, Spring AGU meeting, Abstract SA31B-05
  Abstract 4K HTML
  Presentation 495K PDF

• Withers, Wroten, Mendillo, Chamberlin, and Woods (2007) Modeling the effects of solar flares on the ionosphere of Mars, EGU meeting, Abstract EGU2007-A-05089
  Abstract 30K PDF
  Presentation 288K PDF

• Withers, Paetzold, Mendillo, Tellman, Hausler, Hinson, and Tyler (2007) New observations of the topside ionosphere at Mars, EGU meeting, Abstract EGU2007-A-09435
  Abstract 30K PDF
  Presentation 3.0M PDF

• Paetzold, Withers, Tellman, Mendillo, Hausler, Hinson, and Tyler (2007) Correlation between third layer formation in the Martian ionosphere and meteor streams at Mars, EGU meeting, Abstract EGU2007-A-09454
  Abstract 30K PDF
  Presentation not available, not lead author

  2006
  

• Withers, Mendillo, and Hinson (2006) Space weather effects on the Mars ionosphere due to solar flares and meteors, European Planetary Science Congress, Abstract EPSC2006-A-00190
  Abstract 8K PDF
  Presentation 396K PDF

• Withers (2006) Comparative aeronomy at Earth and Mars, CEDAR Meeting, Santa Fe, 23 - 27 June. Final CEDAR Postdoc report.
  Abstract 1K PDF
  Presentation 470K PDF

• Mendillo and Withers (2006) Effects of solar flares on Earth and Mars, Spring AGU meeting, Abstract U52A-02
  Abstract 4K HTML
  Presentation not available, not lead author...

• Withers, Mendillo, and Rishbeth (2006) Ionospheric disturbances at Mars: Implications for radio propagation, EGU meeting, Abstract EGU06-J-02444
  Abstract 37K PDF
  Presentation 789K PDF

• Withers (2006) Analysis of Accelerometer data from aerobraking, Mars Odyssey Project Science Group Meeting, 14 - 17 November, 2006, Mauni Lani hotel, Big Island, Hawaii
  No Abstract
  Presentation 490K PDF

• Withers, Murphy, Gueth, Bougher, and Mendillo (2006) Mars Odyssey Accelerometer results, DPS meeting, Abstract #73.03
  Abstract 1K txt
  Presentation 371K PDF

• Withers (2006) Determination of upper atmospheric properties on Mars and other bodies using satellite drag/aerobraking measurements, European Planetary Science Congress, Berlin Abstract EPSC2006-A-00009
  Abstract 4K PDF
  Presentation 322K PDF

• Ball, Mueller-Wodarg, Lewis, Zarnecki, Hathi, Leese, Towner, Ferri, Colombatti, Fulchignoni, and Withers (2006) Huygens Atmospheric Structure Instrument entry accelerometer: Application to Mars and Venus, 4th International Planetary Probe Workshop, June 27 - 30, Pasadena
  Abstract and presentation not available, not lead author...

  2005
  

• Withers, Mendillo, Wroten, Rishbeth, Hinson, and Reinisch (2005) Observations of the effects of solar flares on Earth and Mars, Fall AGU meeting, Abstract SA53B-1165
  Abstract 4K HTML
  Presentation 427K PDF

• Withers, Mendillo, Rishbeth, Hinson, and Arkani-Hamed (2005) Ionospheric characteristics above martian crustal magnetic anomalies, DPS meeting, Abstract #33.02
  Abstract 2K HTML
  Presentation 345K PDF

• Schoendorf, Siebert, Mendillo, Withers, Wilson (2005) A new model of the solar wind interaction with the Mars ionosphere, Spring AGU meeting, Abstract #P21F-06
  Abstract 1K text
  Presentation not available, not lead author...

• Withers and Mendillo (2005) The response of an ionosphere to changes in the solar F10.7 flux: Comparison of Venus, Earth, and Mars, Spring AGU meeting, Abstract SA41A-03
  Abstract 1K text
  Presentation 1.4M PDF

• Withers (2005) Atmospheric profiles from Spirit and Opportunity, Spring AGU meeting, Abstract P24A-02
  Abstract 1K text
  Presentation 103K PDF

• Montabone, Lewis, Read, and Withers (2005) The weather on Mars at the time of MERs and Beagle 2 landing, European Geosciences Union Meeting, Abstract EGU05-A-09628
  Abstract 30K PDF
  Presentation not available, not lead author...

  2004
  

• Schoendorf, Mendillo, Withers, Wilson (2004) A new model of the solar wind interaction with Mars, DPS meeting, Abstract #37.03
  Abstract 1K text
  Presentation not available, not lead author...

• Withers, Mendillo, and Hinson (2004) The martian ionosphere in regions of crustal magnetic fields, DPS meeting, Abstract #26.09
  Abstract 1K text
  Presentation 339K PDF

• Mendillo and Withers (2004) Mars ionospheric studies using the MGS Radio Science Experiment, 34th COSPAR Scientific Assembly, Abstract #COSPAR04-A-02002
  Abstract 4K PDF
  Presentation not available, not lead author...

• Mendillo, Withers, and MIRI Team (2004) Approaches to a Mars international reference ionosphere, 34th COSPAR Scientific Assembly, Abstract #COSPAR04-A-02072
  Abstract 4K PDF
  Presentation not available, not lead author...

• Withers (2004) The influence of solar variability on the ionospheres of Earth and Mars, CEDAR Meeting, Sante Fe, 27 June - 2 July. Interim CEDAR Postdoc Report.
  Abstract 1K text
  Presentation 95K PDF

• Withers (2004) Getting your hands on Mars data and some sample science, CEDAR Meeting, Sante Fe, 27 June - 2 July. Talk at Comparative Aeronomy on Earth and Mars workshop.
  Plan of Workshop 30K PDF
  Schedule of Workshop 9K PDF
  Presentation 2.2M PDF

• Withers and Mendillo (2004) Testing simple parameterizations for the basic characteristics of the martian ionosphere, Spring AGU meeting, Abstract #SA24A-05
  Abstract 4K HTML
  Presentation 196K PDF

• Withers, Martinis, Moore, Wilson, Wroten, and Mendillo (2004) Theoretical simulations of the martian ionosphere and comparisons to observations, Spring AGU meeting, Abstract SA14A-04
  Abstract 5K HTML
  Presentation 267K PDF

• Bougher, Keating, and Withers (2004) Mars aerobraking data and its interpretation with applications to future Mars missions, 34th COSPAR Scientific Assembly, Abstract #COSPAR04-A-00358
  Abstract 5K PDF
  Presentation not available, not lead author...

• Withers (2004) Should we believe atmospheric temperatures measured by entry accelerometers travelling at "slow" near-sonic speeds?, 2nd International Planetary Probe Workshop, August 23 - 27, NASA Ames
  Abstract 2K text
  Presentation 102K PDF

  2003
  

• Withers, Bougher, and Keating (2003) Identification of topographically-controlled thermal tidal modes in the martian upper atmosphere, 6th International Mars Conference, July 20 - 25, Pasadena, California, Abstract #3069
  Abstract 15K PDF
  Presentation not available, constructed from my PhD defence talk

• Bougher, Engel, and Withers (2003) The NCAR Mars Thermospheric General Circulation Model: A review, Mars atmosphere modelling and observations workshop, Granada, Spain, January 13-15, 2003
  Abstract 73K PDF
  Presentation not available, not lead author...

• Withers, Towner, Hathi, and Zarnecki (2003) Review of the trajectory and atmospheric structure reconstruction for Mars Pathfinder, International Workshop on Planetary Probe Atmospheric Entry and Descent Trajectory Analysis and Science, Lisbon, Portugal, October 6 - 9, 2003
  Abstract 24K PDF
  Presentation 1.4M PDF

• Withers (2003) Scientific uses of crude telemetry during Mars atmospheric entry, DPS meeting, Abstract #14.24
  Abstract 2K HTML
  Presentation 321K PDF

  2002
  

• Withers, Bougher, and Keating (2002) Winds in the martian upper atmosphere from MGS aerobraking density profiles, Fall AGU meeting, Abstract #P61C-0353
  Abstract 4K HTML
  Presentation 484K PDF

• Withers, Bougher, and Keating (2002) Measurements of winds in the martian upper atmosphere from the MGS Accelerometer, DPS meeting, Abstract #5.05
  Abstract 3K HTML
  Presentation 149K PDF

• Withers, Bougher, and Keating (2002) MGS Accelerometer-derived profiles of upper atmospheric pressures and temperatures: Similarities, differences, and winds, Spring AGU meeting, Abstract #P41A-10
  Abstract 5K HTML
  Presentation 604K PDF

• Withers, Zarnecki, Towner, and Hathi (2002) Trajectory reconstruction for Beagle 2, 6th Huygens Descent Trajectory Working Group Meeting
  Presentation 49K PDF

• Withers, Hathi, Towner, and Zarnecki (2002) Development of software for analysing entry accelerometer data in preparation for the Beagle 2 mission to Mars: Towards a publicly available toolkit, 33rd LPSC, Abstract #1203
  Abstract 29K PDF
  Presentation 642K PDF

• Withers and Neumann (2002) Enigmatic northern plains of Mars, Geoplanets Summer School, Italy
  No abstract
  Presentation missing

• Withers, Lorenz, and Neumann (2002) Errors in Viking Lander atmospheric profiles discovered using MOLA topography, 33rd LPSC, Abstract #1294
  Abstract 22K PDF
  Presentation 1.6M PDF

  2001
  

• Bougher, Keating, Forbes, Murphy, Hollingsworth, Wilson, and Withers (2001) The upper atmospheric wave structure of Mars as determined by Mars Global Surveyor, Fall AGU meeting, Abstract #P32E-12
  Abstract 5K HTML
  Presentation not available, not lead author...

• Withers, Bougher, and Keating (2001) Unpredictable day-to-day variability in the martian upper atmosphere, DPS meeting, Abstract #19.29
  Abstract 3K HTML
  Presentation not available, constructed in haste from previous presentations and papers in preparation...

• Withers, Bougher, and Keating (2001) Harmonic analysis of zonal density structures in martian upper atmosphere, Spring AGU meeting, Abstract #P41A-05
  Abstract 3K text
  Presentation 1.5M PDF figures and 52K PDF text

• Withers and Bougher (2001) Understanding the martian upper atmosphere with the MGS Accelerometer, 4th Lunar and Planetary Laboratory internal conference.
  Abstract 19K PDF
  Presentation just like the 2001 Spring AGU poster - 1.5M PDF figures and 52K PDF text

• Keating, Tolson, Wilson, Dwyer, Bougher, Withers, and Forbes (2001) Persistent planetary-scale wave-2 and wave-3 density variations observed in Mars upper atmosphere from MGS accelerometer experiment, 26th EGS General Assembly, Session #PS2.02
  Abstract 7K PDF
  Presentation not available, not lead author...

• Withers (2001) Technical Report to the Open University on atmospheric structure reconstruction using the Beagle 2 Accelerometer, presentation to the Open University upon completion of report
  103K PDF

• Withers and Neumann (2001) A test of the martian northern ocean hypothesis, 4th Lunar and Planetary Laboratory internal conference.
  Abstract 493K PDF
  Presentation is a mix of my 33rd Brown-Vernadsky Microsymposium presentation (6.8M PDF) and my April 2001 Brown MOLA presentation (1.3M PDF)

• Withers and Neumann (2001) Ridges in the martian northern plains, 33rd Brown-Vernadsky Microsymposium
  No abstract
  Presentation 6.8M PDF

• Withers (2001) Meteor storm evidence against the recent formation of lunar crater Giordano Bruno, 4th Lunar and Planetary Laboratory internal conference.
  Abstract 21K PDF
  Presentation just like the 32nd LPSC poster - 678K PDF

• Withers (2001) Meteor storm evidence against the recent formation of lunar crater Giordano Bruno, 32nd LPSC, Abstract #1007.
  Abstract 108K PDF
  Presentation 678K PDF

• Withers and Lorenz (2001) Simple tests of simple climate models, Spring AGU meeting, Abstract #U32A-05
  Abstract 3K text
  Presentation 42K PDF figures and 17K PDF text

• Grier and 25 colleagues, including Withers (2001) Defining long term goals and setting priorities for education and outreach, 2003 to 2013 - Panel Report, DPS meeting, Abstract #19.29
  Abstract 3K HTML
  Presentation not available, not lead author...

  2000
  

• Keating, Dwyer, Wilson, Tolson, Bougher, Withers, and Forbes (2000) Evidence of large global diurnal Kelvin wave in Mars upper atmosphere, DPS meeting, Abstract #50.02
  Abstract 3K HTML
  Presentation not available, not lead author...

• Bougher, Withers, Murphy, Roble, and Keating (2000) Longitude structure in the Mars upper atmosphere : Characterization and model simulations (Solicited Key Note Paper), 33rd COSPAR Scientific Assembly, Abstract #C3.2-0011
  Abstract 31K PDF
  Presentation not available, not lead author...

• Withers, Bougher, and Keating (2000) New results from the Mars Global Surveyor Accelerometer, 31st LPSC, Abstract #1268
  Abstract 351K PDF
  Presentation 616K PDF

• Withers and Neumann (2000) Shallow ridges in the martian northern plains, Fall AGU meeting, Abstract #P62B-02
  Abstract 7K PDF
  Presentation 2204K PDF

• Lorenz, Lunine, Withers, and McKay (2000) Latitudinal temperature contrasts on Titan and the principle of maximum entropy production, DPS meeting, Abstract #17.07
  Abstract 3K HTML
  Presentation not available, not lead author...

• Withers (2000) Angle of repose-limited shapes of asteroids, 3rd Lunar and Planetary Laboratory internal conference
  Abstract 30K PDF
  Presentation 880K PDF

• Withers (2000) Angle of repose-limited shapes of asteroids, 31st LPSC, Abstract #1270
  Abstract 42K PDF
  Presentation 150K PDF

  1999
  

• Withers, Bougher, and Keating (1999) The martian upper atmosphere during phase 2 of Mars Global Surveyor aerobraking: comparison to predictions, Fifth International Conference on Mars, Abstract #6073.
  Abstract 110K PDF
  Presentation 640K PDF
  Also some text to accompany a video shown in a poster session at the above conference. Hopefully the video will appear here soon. 36K PDF

• Withers, Bougher, and Keating (1999) The martian upper atmosphere as revealed by Mars Global Surveyor's aerobraking, 2nd Lunar and Planetary Laboratory internal conference.
  Abstract ct 33K PDF
  Presentation not available, not lead author

Invited Presentations (External)

• Exploring the ionosphere of Mars (2012) Swedish Institute of Space Physics (IRF), Uppsala, Sweden, 2012
  2.8M PDF

• Exploring the ionosphere of Mars (2012) University of Iowa, Physics and Astronomy, 2012
  2.7M PDF

• The ionosphere of Mars never looked like this before (2012) University of Michigan, Atmospheric, Oceanic, and Space Sciences, 2012
  1.1M PDF

• Getting the most out of entry probes (2012) Georgia Tech, School of Earth and Atmospheric Sciences, 2012
  947K PDF

• How the ionosphere of Mars works (2012) MIT EAPS, 2012
  2.3M PDF

• Results from the Phoenix Atmospheric Structure Experiment (2010) Withers and Catling, 7th International Planetary Probe Workshop, 14-18 June 2010, Barcelona, Spain
  1.8M PDF

• The unusual electrodynamics of Mars (2010) Withers, Matta and Mendillo, European Planetary Science Congress, Rome, Italy, 20-24 September 2010
  1.6M PDF

• The effects of solar flares on planetary ionospheres (2009) Withers and Mendillo, AOGS meeting, Singapore, August 2009
  1.1M PDF

• Exploring planetary ionospheres (2009) Withers, Center for Atmospheric Research, University of Massachusetts - Lowell, May 2009
  3.1M PDF

• Meteor layers in the martian and venusian ionospheres: Their connection to meteor showers (2008) Withers, Paetzold and Christou, Europlanet N3 4th Strategic Workshop on Meteor Studies, Cologne, September 2008
  865K PDF

• Plasma layers in the terrestrial, martian and venusian ionosphere: Their origins and physical characteristics (2008) Paetzold and Withers, Europlanet N3 4th Strategic Workshop on Meteor Studies, Cologne, September 2008
  1.3M PDF

• Variability of the ionosphere of Mars, 37th COSPAR meeting, Montreal, Abstract C32-0011-08
  Abstract 27K PDF
  Presentation 3.1M PDF

• The Mars ionosphere: More than a Chapman layer, Armagh Observatory, 2008
  1.3M PDF

• The Mars ionosphere: More than a Chapman layer, University of Cologne, 2007
  1.3M PDF

• The top of the martian atmosphere, University College London, 2007
  1.8M PDF

• Determination of upper atmospheric properties on Mars and other bodies using satellite drag/aerobraking measurements, European Planetary Science Congress, Berlin 2006, Abstract EPSC2006-A-00009
  Abstract 4K PDF
  Presentation 322K PDF

• Huygens at Titan, MIT, 2005
  1.9M PDF

• Exploring Saturn with Cassini/Huygens, Tufts University, 2004
  4.6M PDF

• Oceans on Mars?, Imperial College London, 2001
  Presentation not available

Invited Presentations (Internal)

• Seven minutes of terror – A look at Curiosity’s safe arrival on Mars, Boston University Astronomical Society
  959K PDF

• Mars: A foundation for exploring planetary atmospheres and ionospheres, Boston University’s Department of Astronomy, 2010
  1.9M PDF

• A better way of modeling ionospheric electrodynamics, Boston University's Center for Space Physics, 2008
  410K PDF

• The mean molecular mass of Titan's atmosphere, Boston University's Center for Space Physics, 2007
  139K PDF

• Analysis of aerobraking accelerometer data from Mars, Boston University's Center for Space Physics, 2007
  507K PDF

• Space Physics at Mars, Boston University's Center for Space Physics, 2006
  1.3M Powerpoint

• The effects of solar flares on the ionospheres of Earth and Mars, Boston University's Center for Space Physics, 2005
  397K PDF

• How does the magnetic dield of Mars affect the ionosphere? Boston University's Center for Space Physics, 2004
  307K PDF

• The martian atmosphere, 2004, Lecture given in Bill Oliver's ENG SC566 class at Boston University
  800K PDF

• Tides in the martian upper atmosphere - And other topics, Boston University's Center for Space Physics, 2003
  1.2M PDF

• The martian upper atmosphere, 2003, Lecture given in Roger Yelle's PTYS 544 class at the University of Arizona
  1.9M PDF

Funded Proposals

• "Meteoric plasma layers on Venus and Mars"
  NASA Planetary Atmospheres Program
  2012 ($232K)
  PI Paul Withers
  Funded
  536K PDF

• "The vertical structure of the Venus ionosphere and its implications for terrestrial planet ionospheres"
  NASA Earth and Space Science Fellowship Program
  2012 ($90K)
  PI Paul Withers
  Funded
  Proposal not available

• "Modeling day-to-day variability in the ionosphere of Venus" NASA Earth and Space Science Fellowship Program
  2012 ($90K)
  PI Paul Withers
  Funded
  Proposal not available

• "The ionosphere of Venus"
  NSF Astronomy and Astrophysics Program
  2011 ($294K)
  PI Paul Withers
  Funded
  716K PDF

• "Exploring the ionosphere of Mars"
  NASA Mars Data Analysis Program
  2011 ($159K)
  PI Paul Withers
  Funded
  1.3M PDF

• "Aspects of atmospheric dynamics from coordinated space measurements"
  JPL/Caltech Keck Institute for Space Studies, Step 1 workshop proposal
  2011
  PI Tony Manucci, Co-I Paul Withers
  Selected
  Proposal not available - not the lead author

• "EDL Science"
  ESA ExoMars entry descent and landing demonstrator module (EDM) science opportunity
  2011
  PI Francesca Ferri, Co-I Paul Withers
  Selected
  Proposal not available - not the lead author

• "Cosmic dust in the terrestrial atmosphere (CODITA)"
  European Research Council funding program
  2011 (2.5M Euros)
  PI John Plane, Collaborator Paul Withers
  Funded
  Proposal not available - not the lead author

• "Magnetospheres of the outer planets (MOP) 2011 meeting"
  NASA Topical workshops, symposia, and conferences program
  2011 ($15K)
  PI Paul Withers
  Funded
  802K PDF

• "Thermospheric variability observed by past aerobraking missions and radio occultation experiments"
  NASA Mars Critical Data Products AO
  2010 ($193K)
  PI Paul Withers
  Funded
  247K PDF

• "Developing a novel modeling approach for Mars’ ionospheric electrodynamics"
  NASA Mars Fundamental Research Program
  2010 ($311K)
  PI Carol Paty, Collaborator Paul Withers
  Proposal not available - not the lead author

• "NASA Early Career Fellowship"
  Awarded in NASA Mars Data Analysis Program
  2009 (This is an invitation to apply for $100K in start-up funds with a subsequent proposal)
  PI Paul Withers
  Awarded
  

• "Analysis of Phoenix entry data to support future Mars landers"
  Unsolicited proposal to NASA
  2008 ($77K)
  PI Paul Withers
  Funded
  388K PDF

• "Venus Express Atmospheric Drag Experiment"
  Proposal to ESA
  2006
  PI Ingo Mueller-Wodarg, Co-I Paul Withers
  Accepted
  Proposal not available - not the lead author

• "Simulations of the effects of extreme solar flares on technological systems at Mars"
  NASA Living With a Star Targeted Research and Technology Program
  2007 ($357K)
  PI Paul Withers
  Tentatively funded, funded
  458K PDF

• "Analysis of SPICAM stellar occultation data"
  NASA Mars Data Analysis Program
  2007 ($312K)
  PI Paul Withers
  Funded
  978K PDF
  Associated application for Early Career Fellowship ($100K start-up funds) accepted, 508K PDF

• "Development of a Mars ionosphere model with time-dependent solar forcing for studies of solar flare effects"
  NASA Mars Fundamental Research Program
  2007 ($264K)
  PI Paul Withers
  Tentatively funded, funded
  405K PDF

• "Application of Spirit and Opportunity atmospheric density/temperature profiles and TES temperature/ pressure data to provide atmospheric density/ temperature profiles for MSL EDL"
  NASA Mars Critical Data Products AO
  2007 ($153K)
  PI Paul Withers
  Funded
  169K PDF

• "Mars ionospheric disturbances"
  NASA Mars Data Analysis Program
  2006 ($287K)
  PI Michael Mendillo, Co-I Paul Withers
  Funded
  Proposal not available - not the lead author

• "The Great Escape"
  Step-1 Proposal for NASA's Mars Scout Program
  2006 (~$2M)
  PI Alan Stern, Co-I Paul Withers
  Funded, one of two finalists
  Proposal not available - not the lead author

• "Analysis of Accelerometer data from aerobraking"
  NASA Mars Odyssey Participating Scientist Program
  2005 ($52K)
  PI Michael Mendillo, Science PI Paul Withers
  Funded
  329K PDF

• "The escape of oxygen from Mars"
  NASA HST Cycle 13 Archival Research Program
  2004 ($66K)
  PI Jody Wilson, Co-I Paul Withers
  Funded
  Proposal not available - not the lead author

• "Studies of variability patterns and their causes in Mars' upper atmosphere"
  NASA Mars Data Analysis Program
  2003 ($300K)
  PI Michael Mendillo, Co-I Paul Withers
  Funded
  708K PDF

• "Comparative aeronomy: Photo-chemistry and neutral-plasma coupling at Earth and Mars"
  NSF/CEDAR Postdoctoral Fellowship
  2003 ($120K)
  PI Michael Mendillo, Co-I Paul Withers
  Funded
  109K PDF
  Final Report

Media Activities

• New views of the Martian ionosphere (2012)
  ESA press release

• Meteors at Venus, Earth, and Mars (2012)
  Response from Space.com to Eos article

• The future of NASA (2011)
  Article in BU Today

• Meteors At Mars (2008)
  Featured in Astronomy Now, Science Daily, Space.com, AHN News

• Meteors At Mars (2007)
  Featured in Sky and Telescope, University of Massachusetts - Lowell Sunrise Radio

• Solar Flares Affecting Mars (2006)
  Featured in Boston University Today, MSNBC, New Scientist, Space.com, and USA Today

• New Horizons Launch (2006)
  Featured in Boston University Today

• What is a planet? (2005)
  Featured in Boston University Today and Reuters

• Genesis Impact (2004)
  Featured in USA Today

• Messenger Launch (2004)
  Featured in Bloomberg News

• Spirit and Opportunity Atmospheric Entry (2004)
  Featured in Bostonia, Boston University Bridge, and USA Today

• Mars Odyssey Orbit Insertion (2002)
  Featured in University of Arizona News and Spacedaily.com

• Giordano Bruno (2001)
  Featured in Astronomy.com, BBC, Planetary Society News, Science, Sky and Telescope, NASA News, Spaceflightnow.com, University of Arizona News, and UPI.

• Enigmatic northern plains of Mars (2001)
  Featured in Astronomy.com, Arizona Daily Star, CNN, Discover, Space.com, Spacedaily.com, Spaceflightnow.com, TechTV News, University of Arizona News, and Arizona Daily Wildcat

• Deep Space 2 - Amundsen and Scott (1999)
  Proposed names “Scott” and “Amundsen” selected from 17,000 entries. Featured in Journal of Aerospace and Defense Industry News, Arizona Daily Star, Planetary Society News, Space.com, Spacedaily.com, Spaceviews.com, and Arizona Daily Wildcat.

Other Education/Public Outreach Activities

• Update on Spirit and Opportunity, Boston Museum of Science, 2004, with Adam Weiss
  7.5M PDF

• Successes and Failures of Recent Mars Exploration, Tufts University, 2004, with Bill Waller
  1.6M PDF

• Poster at University of Arizona's Student Showcase, 2000 - includes the submitted abstract.
  842K PDF

• Poster at University of Arizona's Student Showcase, 1999 - best poster by a graduate student in the physical sciences. Also a 5K PDF abstract.
  29K PDF

Journal Club Presentations

• Was the formation of a 20km diameter lunar crater observed in June, 1178 AD? Also a 4K PDF plan, 2000.
  660K PDF

• Longitudinal structure in the martian upper atmosphere as discovered by MGS, 1999.
  10K PDF

• Sodium in the lunar atmosphere, 1999.
  73K PDF

Class Papers As Undergraduate and Graduate Student

• Angle of repose-limited shapes of asteroids, 1999, Planetary Surfaces, Melosh. Also a 7K text prepaper.
  221K PDF

• Separating the effects of topography and composition in the Clementine UVVIS dataset, 1999, Remote Sensing of Planetary Surfaces, McEwen.
  1460K PDF

• Atmospheric escape processes and subsequent isotope fractionation, with emphasis on the D/H ratios of the terrestrial planets, 1998, Terrestrial Planets, Drake and Melosh.
  158K PDF

• Na and K in the lunar atmosphere, 1998, Terrestrial Planets, Drake and Melosh.
  48K PDF

• Thermodynamics and microphysics of clouds on Jupiter, 1998, Chemistry of the Solar System, Lewis.
  26K PDF

• Stratosphere-troposphere exchange of ozone observed by data assimilation, 1998, Part III project, Lary.
  1122K PDF

• The stability of wave-like pulsar winds, 1997, Part III long vacation project performed at the Theoretical Astrophysics Group, Caltech as part of the SURF program, Melatos.
  208K PDF

• Laser guide stars for adaptive optics, 1997, Part II Literature Review, Haniff.
  58K PDF

Class Presentations As Graduate Student

• Our Ancestors, 2001, Lecture given in NATS 101, Lunine.
  12K HTML

• Notes and slides on The Effects of Volcanism on Climate, 2000, Volcanology, Kring.
  18K PDF notes and 3250K PDF slides

• Progress report on separating topographical and compositional information in the Clementine UVVIS data, 1999, Remote Sensing of Planetary Surfaces, McEwen.
  490K PDF

• Physical principles of remote sensing - Scattering techniques, 1999, Remote Sensing of Planetary Surfaces, McEwen.
  42K PDF

• Geochemistry of surface-atmosphere interactions on Venus, 1999, Physical Geochemistry, Ganguly.
  333K PDF

• Evolution of the D/H ratio on Venus, 1998, Terrestrial Planets, Drake and Melosh.
  7K PDF

Field Trips

• The San Andreas fault system, Southern California, Spring 2002
  325K PDF

• Playas and Pleistocene lakes, New Mexico, 2001.
  1.6M PDF and 120K and 160K gif figures.

• Putting the "Death" in Death Valley, Death Valley, 2000.
  292K PDF

• Economic geology of Death Valley, Death Valley, 2000.
  304K PDF

• Hydrothermal activity and travertine deposits in Valles Caldera, K/T Boundary, 2000.
  2019K PDF

• Uplift of the Colorado Plateau, Havasu Canyon, 1999.
  6K PDF

• Faults and folds on the Colorado Plateau, Canyonlands, 1999.
  7K PDF

• Cinder cones, Canyon de Chelly, 1998.
  67K PDF

Miscellaneous

• Successful application for faculty position in Boston University Astronomy Department, 2010
  173K PDF

• Ranked in top 10% of ESA astronaut applicants in 2008, invited to next stage of screening, but unable to attend due to a travel conflict
  Initial decision
  Specific invitation
  ESA announcement 1
  ESA announcement 2

• Research Plan used when looking for a job after completion of my PhD, 2003
  11K PDF

• PhD Defence Talk on "Weather in the Martian Atmosphere - And Other Topics", 24th March, 2003
  1.9M PDF

• Talk given to the LPL Atmospheres Lunch Group on Upper Atmospheric Density Profiles, March 2003
  1.5M PDF

• Job application for Daly Postdoctoral Fellowship at Harvard's Earth and Planetary Science Department, 2003 - rejected
  38K PDF

• Job application for Princeton/GFDL Postdoctoral Fellowship with John Wilson, 2002 - rejected
  30K PDF

• Job application for Harvard/SAO CfA Postdoctoral Fellowship, 2002 - rejected
  44K PDF and 43K PDF

• Job application for a Hubble Postdoctoral Fellowship with Michael Mendillo, 2002 - rejected
  52K PDF

• Job application for an NRC Postdoctoral Fellowship with Michael Allison, 2002 - withdrawn
  34K PDF and 537K PDF

• Job application for a Harvard Junior Fellowship, 2002 - rejected
  8K PDF

• Received University of Arizona's Kuiper Memorial Award, 2002
  6K PDF

• Entry in the Daily Telegraph's Young Science Writer of the Year contest, February 2002
  8K PDF

• Nomination letter for Meteoritical Society/Geological Society of America Planetary Sciences Best Student Paper Award, January 2002
  4K PDF

• Who wants to be Department Head? Script for one of the Christmas Skits at the University of Arizona's Lunar and Planetary Laboratory, 2001
  127K PDF

• Application for the University of Arizona College of Science Galileo Circle $5K Graduate Scholarship, 2001 - Winner!
  14K PDF

• French translation to satisfy LPL's foreign language requirement
  13K PDF

• Poster for Mars Odyssey Mars Orbit Insertion LPL Open Evening: Shallow Ridges in the Martian Northern Plains, 2001 October 24
  7M PDF

• Report to the Open University on Atmospheric Structure Reconstruction using the Beagle 2 Accelerometer, 2001
  639K PDF

• Presentation to the Open University on Atmospheric Structure Reconstruction using the Beagle 2 Accelerometer, 2001
  103K PDF

• Submission to Eos on Giordano Bruno - rejected as already published, June 2001
  9K PDF

• Presentation at a MOLA Team meeting, Brown, April 2001.
  1.3M PDF

• Graeme Waddington has some interesting comments on the text of Gervase of Canterbury relevant to the age of Giordano Bruno. This was posted on CCNet on 2001.03.28. I couldn't think of a better place on my webpages to put this.
  9K text

• Pete Lanagan thinks I'm too famous.
  17K PDF

• Application for University of Arizona's Herbert E. Carter Graduate Interdisciplinary Fellowship, January 2001 - rejected March 2001.
  Biographical sketch (5K text), Personal Statement (5K text), and Cover Letter (4K PDF)

• Presentation for orals exam at University of Arizona's Lunar and Planetary Laboratory - Understanding the martian upper atmosphere with the MGS Accelerometer, 2000.
  1049K PDF

• Abstract for orals exam at University of Arizona's Lunar and Planetary Laboratory - Understanding the martian upper atmosphere with the MGS Accelerometer, 2000.
  19K PDF

• Abstract for orals exam at University of Arizona's Lunar and Planetary Laboratory - Meteor storm evidence against the recent formation of lunar crater Giordano Bruno, 2000.
  21K PDF

• Presentation at NASA GSFC Graduate Student Summer Program (GSSP) on enigmatic ridges in martian northern plains, 2000.
  8.5M PDF

• Funding proposal to NASA GSFC Graduate Student Summer Program (GSSP) on whether slopes on Mars were once flat, 2000 - accepted.
  9K PDF

• Entry in the Daily Telegraph's Young Science Writer of the Year contest, 2000 - highly commended.
  8K PDF

• Naming contest for NASA's Deep Space 2 mission, 9K text winning entry and press releases, 5K HTML Arizona Daily Star article, and 15K jpeg Arizona Daily Star image, 1999.

• Application to JPL Planetary Sciences Summer School, 1999 - accepted.
  47K PDF

• Script for one of the Christmas Skits at the University of Arizona's Lunar and Planetary Laboratory, 1998.
  5K PDF

• Part of an application for a Fulbright scholarship, 1998 - Not funded.
  38K PDF

• My undergraduate transcript and commentary for American readers, 1998
  230K PDF

• Articles published in that reputable journal, the Drain of Queens' College, Cambridge, 1998.
  391K PDF and 40K PDF

• Short report submitted to Caltech SURF program on the stability of wave-like pulsar winds, 1997.
  130K PDF

• Funding proposal to Caltech SURF program on the stability of wave-like pulsar winds, 1997 - Proposal funded.
  71K PDF

• Entry in the Daily Telegraph's Young Science Writer of the Year contest, 1997 - unsuccessful.
  56K PDF