Dr. Michael John Willis - Cornell University

2001 – 2008 Graduate Research Assistant, Byrd Polar Research Center, Ohio State University,Columbus, OH. The Polar Earth Observing Network (POLENET) development andinstallation. The TransAntarctic Mountains DEFormation (TAMDEF) project. Adviser:Terry Wilson2001 – 2002 Graduate Teaching Assistant, Department of Geological Sciences, Ohio StateUniversity, Columbus, OH. Geomorphology, (550). Introduction to Earth Systems,(100).2000 – 2001 Senior Reference Researcher, National Mapping Division, US Geological Survey,Reston, VA. Remote sensing and geodetic ground control for new Antarctic Maps.Designed Continuously Operating Remote GPS stations (CORS) for deployment atpolar latitudes. Supervisors: Jerry Mullins and Larry Hothem.1997 – 2000 Graduate Research Assistant, Byrd Polar Research Center, Ohio State University,Columbus, OH. The TransAntarctic Mountains DEFormation (TAMDEF) project.Glaciology of the shear margins of the West Antarctic Ice Streams. Adviser: IanWhillansGRANTS2012 - 2014 Co-Investigator. National Aeronautics and Space Administration. “Ice Dynamics, MassBalance and Snow Melt of the Russian High Arctic.” P.I. Matthew Pritchard. CornellUniversity. [$421,028 – 2 years]. Co-wrote the proposal, which is a collaborative effortwith Lehigh University to study the grounded ice of the Russian Arctic using remotesensing techniques. I am responsible for the glaciology and data fusion products fromthis work. Under Cornell rules my supervisor must be the PI.2011-2014 Co-Principle Investigator. National Science Foundation. "Pixel-Tracking on High-Resolution Imagery Spanning the Darfield, New Zealand Earthquake." [$9,540 – 1year]. P.I. Rowenna Lohman. Cornell University. Co-wrote the science rationale for theproposal, which is a NSF RAPID response effort to characterize the Darfield andChristchurch 2010-2011 earthquakes using high-resolution imagery andinterferometric synthetic aperture radar.2011 - 2015 Cornell Principle Investigator. National Science Foundation. “The Greenland GPSNetwork (GNET): Geodetic characterization of water vapor, climate cycles, climatechange and ice mass balance.” P.I. Michael Bevis, Ohio State University. [$1,096,395 –4 years]. Helped write the scientific rationale for the project. Will perform furtherengineering studies and geodetic analysis of load changes during the course of theproject.]2010 - 2011 Cornell Principle Investigator. National Science Foundation. “The Greenland GPSNetwork (GNET): Geodetic constraints on climate cycles, climate change and ice massbalance in Greenland.” P.I. Michael Bevis, Ohio State University. [$439,997 – 1 year].Perform engineering studies for project through sub-contract to Cornell University.2

2009 Co-Investigator. National Aeronautics and Space Administration. “Mass Change andMeteorology of the Patagonian Ice Fields (MCM-PIF).” P.I. Matthew Pritchard. CornellUniversity. [$983,356; Unsuccessful.] Wrote the scientific rationale for the proposal,which is a collaborative effort with Lehigh University, the University of BritishColumbia and the Centro de Estudios Científicos in Chile, to perform extensive fieldstudies on the Patagonian Icefields in South America.2009 Principle Investigator. National Science Foundation. “Collaborative Research:Southeast Greenland Glaciology and Geodynamics (SEG3)” [$616,393; Unsuccessful.“Excellent”, “very good” and two “good” reviews.]2008 Principle Investigator. Battelle Memorial Institute. “Opportunity identification for thescientific community.” [$9,900. 1 month].2008 Principle Investigator. National Science Foundation. “Southeast Greenland Glaciology,Geodesy and Geodynamics (SEG-4).” [$734,697; Unsuccessful. Two “very good”reviews.]2007 - 2012 Participant/Writer. National Science Foundation. “Collaborative Research: IPY:POLENET-Antarctica: Investigating Links Between Geodynamics and Ice Sheets” P.I.Terry Wilson, Ohio State University. [$3,027,686 – 5 years]. Designed network,designed much of the field equipment, organized logistics, wrote substantial sections ofthe science rationale for the proposal.2007 - 2011 Participant/Writer. National Science Foundation. “Collaborative Research: IPY:POLENET/Greenland: Using Bedrock Geodesy to Constrain Past and Present DayChanges in Greenland's Ice Mass.” P.I. Michael Bevis, Ohio State University.[$1,234,621 – 4 years]. Designed network configuration, designed much of the fieldequipment, organized logistics, wrote substantial sections of the science rationale forthe proposal.HONORS2008 International Polar Year National Science Foundation Next Generation PolarResearcher.2008 “Willis Ridge” named in Antarctica by US Board of Geographic Names.2006 Best student presentation, Scientific Committee on Antarctic Research Open Sciencemeeting, Hobart, Australia.2003 Shell Fellowship. One year of tuition and stipend.2001 Best student paper, Heiskanen Symposium in Geodesy, Ohio State University,Columbus, Ohio.1999 Best student presentation. International Symposium on Antarctic Earth Sciences,Wellington, New Zealand.1999 Shawn P. Wight Award from Byrd Polar Research Center, Ohio State University,Columbus, Ohio.FIELD AND INTERNATIONAL EXPERIENCE3

1997 – 2008 Participant in eight Antarctic field seasons (1997, 1998, 1999, 2000, 2003, 2004, 2005,2007, 2008). Organized logistics for six of the field seasons. Team leader and logisticscoordinator for all seasons after 2000.2008 – Present Logistics planner for two International Polar Year projects and their subsequentextensions (Polar Earth Observing Network and Greenland GPS Network).2004 – 2007 Pacific Geoscience Center, Natural Resources Canada and Canadian Geological Survey,Sidney, British Columbia, Canada. Collaboration with Canadian researchersspecializing in modeling glacial isostatic adjustment and Earth deformation.2000 – Present Designed and installed regional and continental scale crustal motion geodesy networks.Designed, fabricated and installed the first successful continuously running GPS stationin a polar location. Expanded the use of the design to more than one hundred remotefield sites at high latitudes.2003 Department of Civil Engineering, University of Bologna, Italy. Collaboration withItalian Antarctic Program on geodetic projects in Antarctica.Additional field experience in Greenland (2007), Scotland (1992-1997), the CanadianRockies (1997), Spitsbergen (1996), Australia (1995) and Malta (1995).SERVICE2009 – present Committee member and mentor to Andrew K. Melkonian, PhD student at CornellUniversity.2011 – present Adviser to the Polar Geospatial Center at the University of Minnesota. Facilitatingimprovement of Google Earth imagery in the polar regions.2010 – present Member of NASA ASTER Science Team concentrating on mapping of glaciers andland ice from space.2009 – Present American Geophysical Union Congressional Science Education and Technologyparticipant. Washington D.C. Meet with congressional, senate and committee stafferson Capitol Hill to discuss geoscience, climate, education and research and design, andfunding for national agencies.2012 Invited presentation at the Program for Arctic Regional Climate Assessment, at NASAGoddard Space Flight Center giving details of work on Greenland coastal uplift.2010 Invited participant at National Science Foundation workshop on Autonomous PolarObserving systems.2010 Invited participant at National Science Foundation workshop on land ice contribution toglobal sea level rise. Helped formulate a white-paper to inform the next decade ofnational research concerning ice mass change and sea level rise.4

2010 Convener: Polar Observing Systems. International Polar Year, Oslo ScienceConference. Oslo, Norway. Organized sessions, selected speakers and helped run theconference sessions.2010 Mentor for Association of Polar Early Career Scientists (APECS) workshop. Oslo,Norway. Invited to organize and run workshop sessions on Fomenting InternationalCollaborations, Leadership, and Designing and Executing Polar Research Projects.2010 Keynote Speech at the International Polar Year, Oslo Science Conference. Oslo,Norway. The Polar Earth Observing Network: Progress report and futureopportunities.2010 Convener: Earth structure, deformation and ice sheet evolution. Scientific Committeeon Antarctic Research, Open Science Conference. Buenos Aries, Argentina. Organizedsessions and selected speakers.2010 Public Lecture at Paleontological Research Institute, Museum of the Earth.2009 – 2010 Reviewer, National Science Foundation, Office of Polar Programs.2008 - Present Reviewer, AGU EOS magazine, Tectonophysics, Global and Planetary Change, RemoteSensing of Environment, Journal of Geophysical Research2006 – Present Invited speaker at University of North Carolina, Chapel Hill (2012), SUNY Buffalo(2010, Pegrum Lecture), University of Massachusetts at Amherst (2009), LehighUniversity (2009), Cornell University (2008, 2009, 2010, 2011), Ohio State University(2007, 2008), Canadian Geological Survey (2006, 2007, 2008), British Antarctic Survey(2006).2006 – Present POLENET Planning committee. Helped organize and design the POLENETdeployments in both polar regions. I am responsible for collating international efforts,helping to evolve the equipment design and organize maintenance scheduling.2006 Invited introductory talk. “Challenges and Solutions for Continuous Remote GPSStations in Antarctica.” GPS in the IPY: The POLENET Project, Technical Universityof Dresden, Dresden, Germany.2004 – 2007 Education and Outreach Board Member UNAVCO Inc.2002 SCAR ANTEC Group of Specialists on Antarctic Neotectonics.2001 – 2003 Board member International Association of Geodesy (IAG) commission on crustaldeformation in Antarctica.RESEARCH AND TECHNICAL ABILITIESStrong background in geodesy, glaciology, structural geology, viscoelastic GIA, geomorphology, Quaternaryenvironments, dating techniques, remote sensing and SAR Interferometry.High end GPS processing on LINUX (PAGES, some BERNESE, some TRACK, some GAMIT).5

Numerical modeling using Fortran.Graphics design and visualization packages.Remote sensing and GIS packages, ENVI, ERDAS, PCI, ARCinfo.HTML and web design.Shell scripting and Generic Mapping Tools for both presentation and research.Many collaborators from the international community.PUBLICATIONSWillis, M. J., Berti, C., Melkonian, A.K., Pritchard M.E. and Ramage, J.M. “Decadal velocity variations ofglaciers of the Southern Patagonia Icefield as observed from space”, in preparationBerti, C., Willis, M.J., Melkonian, A.K., Pritchard M.E. and Ramage, J.M. “The relation between glaciervelocity, SAR glacier zones, and the timing of melting”, in preparationWillis, M.J., Melkonian, A. K. Pritchard, M. E. and Rivera, A.(2012). “Ice loss from the Southern PatagonianIcefield, South America, between 2000 and 2012.” Geophysical ResearchLetters.doi:10.1029/2012GL053136A. K. Melkonian, M. J. Willis, M. E. Pritchard, A. Rivera, F. Bown, and S. A. Bernstein (2012). “Satellite-Derived Volume Loss Rates and Glacier Speeds for the Cordillera Darwin Icefield, Chile” TheCryosphere Discuss., 6, 3503-3538.Bevis, M., Wahr, J., Khan., S.A., Madsen, F.B., Brown, A., Willis, M.J., Kendrick, E., Knudsen., P., Box,J.E., van Dam, T., Caccamise II. D.J., Johns, B., Nylen,T., Abbott, R., White, S., Miner, J, Forsberg,R., Zhou, H., Wang, J., Wilson, T., Bromwich, D. and Francis, O. (2012). “Bedrock displacements inGreenland manifest ice mass variations, climate cycles and climate change.” Proceedings of theNational Academy of Sciences, July 11, 2012, doi: 10.1073/pnas.1204664109.Willis, M. J., Melkonian, A. K., Pritchard, M. E., and Ramage, J. M. (2012) Ice loss rates at the NorthernPatagonian Icefield derived using a decade of satellite remote sensing, Remote Sensing ofEnvironment, 117, 184-198, 10.1016/j.rse.2011.09.017Barnhart, W. D., Willis, M. J., Lohman, R. B. and Melkonian, A. K. (2011). “InSAR and opticalconstraints on fault slip during the 2010-2011 New Zealand earthquake sequence.” SeismologicalResearch Letters; November/December 2011; v. 82; no. 6; p. 815-823; DOI: 10.1785/gssrl.82.6.815Bevis, M., E. Kendrick, R. Smalley, Jr., I. Dalziel, D. Caccamise, I. Sasgen, M. Helsen, F. W. Taylor, H.Zhou, A. Brown, D. Raleigh, M.J.Willis, T. Wilson and S. Konfal (2009). "Geodetic measurements ofvertical crustal velocity in West Antarctica and the implications for ice mass balance." Geochem.Geophys. Geosyst. 10. doi:10.1029/2009GC002642Willis, M.J. (2008). “Technologies To Operate Year-Round Remote Global Navigation Satellite System(GNSS) Stations In Extreme Environments.” Book Chapter in Geodetic and Geophysical Observationsin Antarctica, Capra, A. and Dietrich, R. (eds). Springer-Verlag.Willis, M.J., (2007). “Analysis of continuous GPS measurements from southern Victoria Land, Antarctica”,in Antarctica: A Keystone in a Changing World - Online Proceedings of the 10th ISAES, edited byA.K. Cooper and C. R. Raymond et al., USGS Open File Report 2007-1047, Short Research Paper6

064, 5p.; doi:10.3133/of2007-1047.srp064Konfal, S. A., Wilson, T.J., and Willis, M.J. (2007). GPS Surveys to Detect Active Faulting in theTransantarctic Mountains, Antarctica. in Antarctica: A Keystone in a Changing World - OnlineProceedings of the 10th ISAES, edited by A.K. Cooper and C. R. Raymond et al., USGS Open FileReport 2007-1047, Extended Abstract doi:10.3133/of2007-1047.ea021Willis, M.J., T.J. Wilson and T.S. James. (2003). “A Comparison of Measured and Modeled Bedrock Motionsfor Southern Victoria Land, Antarctica.” Proceedings of the workshop: The State of GPS VerticalPositioning Precision: Separation of Earth Processes by Space Geodesy. Cahiers du Centre Européende Géodynamique et de Séismologie. Vol. 23.ABSTRACTS AND PRESENTATIONSBevis, M.G., Wahr, J.M., Khan, S.A., Madsen, F., Brown, A.K., Willis, M.J., Kendrick, E.C., Knudsen, P.,van Dam, T.M., Box, J.E., Caccamise, D.J., Johns, B., Nylen, T., Abbot, R., White, S., Forsberg, R.,Zhou, H., Francis, O., Wang, J. and Wilson, T.J. 2011. “GNET detects an anomalous “spike” in iceloss in Greenland during the 2010 melting season.” Abstract C53C-0686 presented at the 2011 FallMetting, AGU, San Francisco, Calif., 5-9 Dec.Willis, M.J., Melkonian, A.K., Pritchard, M.E., Ramage, J.M., Ivins, E.R. and Rivera, A. 2011. “SatelliteObservations of Mass Change and Glacier Motions at the Patagonian Icefields of South America”Abstract C21C-08 presented at the 2011 Fall Metting, AGU, San Francisco, Calif., 5-9 Dec.Barnhardt, W.D., Willis, M.J., Lohman, R.B. and Melkonian, A.K., 2011. “High-resolution (0.5m) OpticalImagery and InSAR for Constraining Earthquake Slip: The 2010-2011 Cantebury, New ZealandEarthquakes.” Abstract G13A-0868 presented at the 2011 Fall Metting, AGU, San Francisco, Calif., 5-9 Dec.Melkonian, A.K., Willis, M.J., Pritchard, M.E. and Bernstein, S.A. 2011 “Glacier Speeds and ElevationChange Rates from ASTER Satellite Data fro the Juneau Icefield, Alaska.” Abstract C34A-07presented at the 2011 Fall Metting, AGU, San Francisco, Calif., 5-9 Dec.Willis, M. J., Wilson, T. J., James, T. S., Mazzotti, S., Bevis, M. G., Kendrick, E. C., and Brown, A. K. 2010“Geodetically-Constrained Glacial Isostatic Adjustment models of Antarctica: Implications for theMass Balance of the West Antarctic Ice Sheet.” Abstract G34A-03 presented at 2010 Fall Meeting,AGU, San Francisco, Calif., 13-17 Dec.Kendrick, E. C., Bevis, M. G., Brown, A. K., Madsen, F-B., Khan, S. A., Willis, M. J., vanDam, T., Forsberg,R., Wilson, Caccamise II, D., Konfal, S. A., and Johns, B. 2010 “Earth’s Elastic Response to SeasonalCycles in Surface Loading in Greenland and Antarctica.” Abstract G34A-01 presented at 2010 FallMeeting, AGU, San Francisco, Calif., 13-17 Dec.Melkonian, A. K., Willis, M. J., Pritchard, M. E., Ramage, J. M. and Bernstein, S. 2010 “Mass Balance of thePatagonian Icefields from Satellite Remote Sensing.” Abstract C51A-0498 presented at 2010 FallMeeting, AGU, San Francisco, Calif., 13-17 Dec.Willis, M. J., Wilson, T. J., James T. S. and Mazzotti, S. 2009 GPS Constraints on Glacial Isostatic7

Adjustment Models and Implications for Ice Sheet Mass Balance in West Antarctica. AGU FallMeeting, Abstract G53B-0672.Willis, M. J., Melkonian, A. K. and Pritchard, M. E. 2009 Glacier Velocities and Elevation Change of theNorthern Patagonian Icefields, Chile. Ice and Climate Change: A Southern Perspective. Valdavia,ChileBernstein, S., Willis, M. J., Melkonian, A. K. and Pritchard, M. E. 2009 Glacier Velocities and ElevationChange of the Northern Patagonian Icefields, Chile. AGU Fall Meeting, Abstract C43-D07Bevis, M. G., Kendrick, E. C., Brown, A. K., Khan, S. A., Knudsen, P., Madsen, F., Wahr J. M. and Willis,M. J. 2009 Greenland GPS Network: Crustal Oscillations and Seasonal Ice Mass Fluctuations. AGUFall Meeting, Abstract G43B-072.Melkonian, A. K., Willis, M. J., Pritchard, M. E. and Bernstein, S. 2009 Glacier Velocities and ElevationChange of the Juneau Icefield, Alaska. AGU Fall Meeting, Abstract C51-0490Willis, M. J., Wilson, T. J. and James, T. S. 2008 GPS-Constrained Glacial IsostaticAdjustment Models for West Antarctica: Implications for Ice Sheet Mass Balance Measurements. EosTrans. AGU, 89(53), Fall Meet. Suppl., Abstract G31A-0642Bevis, M., Smalley, R., Kendrick, E., Dalziel, I., Caccamise, D., Taylor, F., Willis, M., Zhou, H.,Brown, A., Konfal, S., Wilson, T., Raleigh, D. and Nylen, T. 2008 Geodetic estimates of the verticalcrustal velocity field in Antarctica. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract G42A-08Johns, B., Bevis, M., Caccamise, D., Kendrick, E., Madsen, F. B., Nylen, T., Parker, T., White, S., Willis, M.J. and Wilson, T. 2008 Advances in Remote Autonomous Geodetic GPS Data Acquisition in theInternational Polar Year. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract G31A-0648Simon, K. M, James, T S, Ivins, E. R, Wilson, T. J. and Willis, M. J. 2008. Ocean Loading Effects onPredictions of Uplift and Gravity Changes due to Glacial Isostatic Adjustment in Antarctica, EosTrans. AGU, 89(53), Fall Meet. Suppl., Abstract G31A-0644.Simon, K. M, James, T. S., Willis, M. J., Wilson, T. J. and Ivins, E. R. 2008. Effects of Regional OceanLoading on Present-day Predicted Glacial-Isostatic Adjustment Response in Antarctica. JointScientific Committee on Antarctic Research/International Arctic Science Council IPY conference, July8-11, St. Petersburg, Russia.Wilson, T. J., Carroll, K., Eriksson, S., Konfal, S., Mayer, H., Reading, A., Stutz, J., Taber J., and Willis, M.J. 2007. Education and Outreach Initiatives for the POLENET Project for IPY. EOS Trans. AGU,88(52), Fall Meet. Suppl., Abstract ED12A-02Willis, M. J., Wilson, T. J. and James, T. S. 2006. “Bedrock Motions From a Decade ofGPS Measurements in Southern Victoria Land, Antarctica.” Eos Trans. AGU, 87(52), Fall Meet.Suppl., Abstract G33B-0059Willis, M. J. and Wilson, T. J. 2006. “Network Node – Investigating Emerging Technologies for POLENET.”GPS in the IPY: The POLENET Project, Dresden, Germany.8

Willis, M. J. and Wilson, T. J. 2006. “A Decade Of GPS Measurements Over the TAMDEF Network,Southern Victoria Land, Antarctica.” SCAR XXIX Open Science Meeting. Hobart, Australia.Willis, M. J., Hothem, L. D. and Wilson, T. J. 2006. “Performance of Continuous GPS Stations at RemoteLocations in Antarctica: Lessons for IPY – POLENET.” SCAR XXIX Open Science Meeting. Hobart,Australia.Willis, M. J., Wilson, T. J. and James, T. S. 2006. “TAMDEF: GPS Measurements of Uplift and Rifting in theAntarctic Interior.” Midwest Glaciology Meeting. Pennsylvania State University.Willis, M. J., Wilson, T. J. and Hothem, L. D. 2006. “A Decade of GPS Measurements over the TAMDEFNetwork, Victoria Land, Antarctica.” Geophysical Research Abstracts, Vol. 8, 05950.Johns, B., Willis, M. J. and Wilson, T. J. 2006. “Communication Systems for Remote Data Retrieval Fromthe TAMDEF GPS Network – Current Status and Future Challenges for POLENET.” GPS in the IPY:The POLENET Project, Dresden, Germany.Konfal, S. K., Wilson, T. J. and Willis, M. J. 2006. “GPS Surveys to Detect Rift-Related Active Faulting inthe Transantarctic Mountains, Antarctica.” Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract G43B-1006.Willis, M. J., Wilson, T. J., Blick, G. and Hothem, L. D. 2005. “C-GPS at Remote Antarctic Sites: TAMDEFNetwork Experience.” UNAVCO Annual Meeting, Stevenson, Washington.Wilson, T. J., Willis, M. J., Brzezinska, D. G. and Vazquez, E. L. 2005. “Precipitable Water Vapor fromGPS in Antarctica: Opportunities from the TAMDEF GPS Network, Victoria Land.” AMPS UsersWorkshop, UCAR. Boulder, Colorado.Willis, M. J., Wilson, T. J. and James, T. S. 2004. “Neotectonic Crustal Motions in the Antarctic InteriorMeasured by the TAMDEF GPS Network.” American Geophysical Union, Spring Meeting, abstract#G33A-11.Willis, M. J., Wilson, T. J. and James, T. S. 2004. “GPS Measurement of Neotectonic Motions in theAntarctic Interior.” American Geophysical Union, Fall Meeting, abstract #G41A-07.Willis, M. J., Wilson, T. J. and Hothem, L. D. 2004. “Successful Remote Continuous GPS stations inSouthern Victoria Land, Antarctica.” SCAR XXVIII Open Science Meeting. Bremen, Germany.Willis, M. J., James, T. S. and Wilson, T. J. 2003. “Horizontal crustal motions in the Antarctic interior:Comparison of GPS measurements and post-glacial rebound model predictions.” EGS - AGU - EUGJoint Assembly, Nice, France. abstract #2988.Willis, M. J., Wilson, T. J. and James, T. S. 2003. “A Comparison of Measured and Modeled BedrockMotions for Southern Victoria Land, Antarctica.” The State of GPS Vertical Positioning Precision:Separation of Earth Processes by Space Geodesy. Luxembourg.9

Willis, M. J., Wilson, T. J. and James, T. S. 2003. “Horizontal crustal motions in the Antarctic interior:Comparisons of GPS measurements and post-glacial model predictions.” (abstract). In: Futterer, D.K.(Ed.), 9th International Symposium on Antarctic Earth Sciences. Alfred Wegener Institute, Potsdam,Germany.Willis, M. J., Wilson, T. J., Whillans, I. M. and Hothem, L. D. 2002. “Deglaciation in the Western Ross SeaRegion, Antarctica: Comparison of GPS-derived Vertical Crustal Motions and Geological Records.”American Geophysical Union, Spring Meeting, abstract #U42A-0.Hothem, L. D., Wilson, T. J. and Willis, M. J. 2002 “TAMDEF. GPS measurements of bedrock crustaldeformations.” Reports of the Antarctic Geodesy Symposium. Wellington, N.Z.Willis, M. J. 2001. “The Crustal Response to Changing Tidal Loads Imposed by a Pinned Ice Shelf.”NASA/IUG Heiskanen Symposium, Columbus, Ohio.Willis, M. J. and Wilson, T.J., 2001. “Post Glacial Rebound and Rift Tectonics of the Antarctic Interior.”NASA/IUG Heiskanen Symposium, Columbus, Ohio.Willis, M. J., Wilson, T. J., Whillans, I. M. and Hothem, L. D. 2001. “Analysis of Crustal Motion in SouthernVictoria Land, Antarctica.” SCAR Antarctic Neotectonics Workshop. Siena, Italy.Hothem, L. D. and Willis, M. J. 2001. “The TAMDEF Project: TransAntarctic Mountains DeformationMonitoring Network.” Antarctic Geodesy Symposium, AGS’01, Saint Petersburg, Russia.Hothem, L. D. and Willis, M. J. 2001. “Construction of a Low Power Continuous Operating RemoteGPS/GLONASS Station in Southern Victoria Land.” SCAR Antarctic Neotectonics Workshop. Siena,Italy.Hothem, L. D. and Willis, M. J. 2001. “Low Power Remote GPS Observatories in Southern Victoria Land,Antarctica.” NASA/IUG Heiskanen Symposium, Columbus, Ohio.Willis, M. J. Whillans, I. M., and Wilson, T. J. 2000. “GPS measurement of crustal motion in SouthernVictoria Land, Antarctica.” West Antarctic Ice Sheet Meeting. Algonquin Park, Virginia.Willis, M. J. 1998. “Interpretation of South Pole RADARSAT imagery.” Midwest Glaciology Meeting.Columbus, Ohio, 1998.Willis, M. J. 1998. “A Comparison of Satellite RADAR Altimeter Derived Snow Surfaces and ElevationsDerived From Ground Truth Surveys.” AGU Chapman Conference on West Antarctic Ice Sheet.Orono, Maine.10