Dr. Michael John Willis

Research Associate, Department of Earth and Atmospheric Sciences, Snee Hall, Central Avenue, Cornell University, Ithaca, NY 14850

Phone: 614-209-8997 (M) Email: [email protected] www.geo.cornell.edu/Research_Staff/mjw272/

EDUCATION B.Sc (honors) Glasgow University, Glasgow, Scotland, Geography 1997 M.Sc. Ohio State University, Columbus, Geological Sciences 2000 Ph.D. Ohio State University, Columbus, Geological Sciences 2008

APPOINTMENTS Research Associate, Earth and Atmospheric Sciences, Cornell University, Ithaca, NY. 2012 – present Adjunct Assistant Research Professor, Dept of Geological Sciences, University of North 2012 – present University of North Carolina, Chapel Hill, NC. Postdoctoral Research Associate, Dept of Earth and Atmospheric Sciences, 2009 – 2012 Cornell University, Ithaca, NY. Sponsor Matthew Pritchard. Postdoctoral Researcher, Byrd Polar Research Center, 2008 – 2009 Ohio State University, Columbus, OH. Sponsors Terry Wilson, Mike Bevis. Graduate Research Assistant, Byrd Polar Research Center, 2001 – 2008 Ohio State University, Columbus, OH. Senior Reference Researcher, US Geological Survey, Reston, VA. 2000 – 2001 Graduate Research Assistant, Byrd Polar Research Center, 1997 – 2000 Ohio State University, Columbus, OH.

FUNDING HISTORY 2015 – 2016 Co-Investigator. National Science Foundation. “Digital Elevation Modeling Mosaicking Methods And Tools” [Sub-Award $22,587.] Work is to prototype workflow for Peta- scale computer production of digital elevation models for the entire arctic.

2013 – 2018 Co-Investigator. National Science Foundation. “Collaborative Research: Polenet - Antarctica Investigating Links Between Geodynamics And Ice Sheets: Phase 2” P.I. Terry Wilson, Ohio State University [Sub-Award $187,677.] Co-wrote the main science text focusing on measuring ice changes adjacent to GPS and seismic sites using remote sensing. These local ice changes provide cause a local elastic bedrock response that must be removed from the long-term signal.

2012 – 2016 Co-Investigator. National Aeronautics and Space Administration. “Optimizing Observations From Desdyni -R To Monitor Changes In Temperate Glaciers, Volcanoes and Landslides” P.I. Matthew Pritchard. Cornell University [$225,332.] I helped design the Desdyni-R (Now NI-SAR) acquisition scheme for glaciers and ice caps outside of Greenland and Antarctica and work on identification of calibration and validation sites around the globe.

2011 – 2015 Cornell Principle Investigator. National Science Foundation. “The Greenland GPS Network (GNET): Geodetic characterization of water vapor, climate cycles, climate change and ice mass balance.” P.I. Michael Bevis, Ohio State University. [$1,096,395 – 4 1 years.] Co-write the scientific rationale for the project. I have a sub-award to perform engineering studies, geodetic analysis, and derivation of load changes during the course of the project.

2015 Co-Investigator. DigitalGlobe Foundation. “Stereo imagery for educational use and landslide precursor investigation.” [Data grant – 2000 km2 of stereo imagery of La Paz, Bolivia.] Wrote the proposal to support an educational workshop on the production of topographic data and the use of stereo imagery with open-source software “de- colonizing minds.” The workshop ran at the EMI University in La Paz in August

2012 – 2014 Co-Investigator. National Aeronautics and Space Administration. “Ice Dynamics, Mass Balance and Snow Melt of the Russian High Arctic.” P.I. Matthew Pritchard. Cornell University. [$421,028 – 2 years.] Co-wrote the proposal, which is a collaborative effort with Lehigh University to study the grounded ice of the Russian Arctic using remote sensing techniques. I was responsible for the glaciology and data fusion products from this work.

2011 – 2014 Co-Principle Investigator. National Science Foundation. "Pixel-Tracking on High- Resolution Imagery Spanning the Darfield, New Zealand Earthquake." P.I. Rowenna Lohman. Cornell University. [$9,540 – 1 year.] Co-wrote the science rationale for the proposal, which was a NSF RAPID response effort to characterize the Darfield and Christchurch 2010-2011 earthquakes using high-resolution imagery and interferometric synthetic aperture radar.

2010 – 2011 Cornell Principle Investigator. National Science Foundation. “The Greenland GPS Network (GNET): Geodetic constraints on climate cycles, climate change and ice mass balance in Greenland.” P.I. Michael Bevis, Ohio State University. [$439,997 – 1 year.] Performed engineering studies for project through sub-contract to Cornell University.

2009 – 2015 Senior Personnel. National Science Foundation. “Collaborative Research: Investigating the Relationship between Pluton Growth and Volcanism at Two Active Intrusions in the Central Andes.” P.I. Matthew Pritchard, Cornell. [$631,579.] I used very high resolution Digital Elevation Models to help map the deformation of paleo-lake shorelines on the Altiplano. These deformations provide information on upper mantle viscosity beneath the region.

2008 Principle Investigator. Battelle Memorial Institute. “Opportunity identification for the scientific community.” [$9,900. 1 month.] I wrote a private grant to help leverage Battelle’s engineering expertise with the geophysics community.

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 and field equipment, organized logistics, wrote substantial sections of the 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 Day Changes in Greenland's Ice Mass.” P.I. Michael Bevis, Ohio State University. [$1,234,621 – 4 years.] Designed network configuration and field equipment, organized logistics, wrote substantial sections of the science rationale for the proposal.

2 PROPOSALS UNDER REVIEW 2016 – 2018 Co-Investigator. National Science Foundation. “The Polar Geospatial Center: Community and Facility Support.” P.I. Paul Morin, University of Minnesota. [Sub award $185,133.] This proposal will fund my continued work with Ian Howat (OSU) and Claire Porter (UMinn) on production, calibration and validation of the 2-m resolution pan-Arctic DEM using NSF Peta-scale computing facilities.

2016 – 2018 Co-Investigator. National Aeronautical and Space Administration. “Contributions of Glaciers to Sea Lebel Rise Over the Past Half-Century.” [$92,493.] Alex Gardner and I resubmitted this proposal that was funded in 2014, but terminated when Alex left Clarke University to start work at JPL. The work will use digital photogrammetry to extract ice heights at glaciers and icefields around the globe from declassified satellite imagery.

2016 – 2018 Principle Investigator. National Aeronautical and Space Administration. “Mid 20th Century Ice Heights from Archived Antarctic Aerial Photography. [$497,015.] I wrote a collaborative effort with Eric Larour and Alex Gardner at JPL and Jan-Michel Frahm at UNC to use advanced computer vision techniques such as structure from motion to extract ice heights from historic aerial photographs around Antarctica.

2016 – 2019 Co-Investigator. National Science Foundation. “Towards Routine Global Volcano Monitoring: Linking Satellite Observations of Volcano Deformation to Eruption Hazards” [$349,606.] Matt Pritchard and I will automate the use of satellite geodesy to monitor volcanoes around the globe with the intention of identifying both eruption precursors and examining volcanic processes that can be used to estimate level of eruption hazard.

2016 – 2020 Co-Investigator. National Science Foundation. “The Greenland GPS Network (GNET) Geodetic Sensing Of Weather, Ice Mass Balance And Glacial Isostatic Adjustment.” P.I. Michael Bevis, Ohio State University. [Sub award of $83,146.] This work will continue modeling ice load and landscape changes at the edge of the Greenland Ice Sheet.

2016 – 2018 Senior Personnel. National Aeronautical and Space Administration. “Mechanisms of multi-decadal land ice change in the Arctic Basin -- multi-sensor analysis of spatial and temporal variations” P.I. Joan Ramage, Lehigh University. [$420,716.] This proposal supports continuation of our work investigating the surprisingly rapid changes occurring in the Russian Arctic.

PEER REVIEWED PUBLICATIONS Willis, M.J., Herried, B.G., Bevis, M.G. and Bell, R.E. (2015) “Recharge of a subglacial lake by surface meltwater in northeast Greenland”, Nature, doi:10.1038/nature14116.

Willis, M.J., Melkonian, A.K. and Pritchard, M.E. (2015) “Outlet glacier response to the 2012 collapse of the Matusevich Ice Shelf, Severnaya Zemlya, Russian Arctic”, Journal of Geophysical Research: Earth Surface, doi:10.1002/2015JF003544.

Gómez, D., Smalley, Jr., R., Langston, C.A., Wilson, T.J., Bevis, M.G., Dalziel, I., Kendrick, E.C., Konfal, S.J., Willis, M.J., Piñón, D.A., Cimbaro, S.R. and Caccamise, D. (2015) “Ionospheric total electron content signatures of earthquakes in Antarctica.” Journal of Geophysical Research: Space Physics, doi:10.1002/2015JA021725

3 Pope, A., Scambos, T.A., Moussavi, M., Tedesco, M., Willis, M.J., Shean, D. and Grigsby, S. (2015) “Estimating supraglacial lake depth in western Greenland using Landsat 8 and comparison with other multispectral methods”, The Cryosphere Discuss., 9(3), 3257-3292, doi:10.5194/tcd-9- 3257-2015.

Melkonian, A.K., Willis, M.J. and Pritchard, M.E. (2014) “Satellite-derived volume loss rates and glacier speeds for the Juneau Icefield, Alaska.” Journal of Glaciology 60, 743-760. doi:10.3189/2014JoG13J181

Melkonian, A.K., Willis, M.J. Pritchard, M.E., Rivera, A., Bown, F. and Bernstein, S.A. (2013). “Satellite Derived Volume Loss Rates and Glacier Speeds for the Cordillera Darwin Icefield, Chile.” The Cryosphere 7, 823-829, doi:10.5194/tc-7-823-2013

Willis, M.J., Melkonian, A.K. Pritchard, M.E. and Rivera, A. (2012). “Ice loss from the Southern Patagonian Icefield, South America, between 2000 and 2012.” Geophysical Research Letters. 39 doi:10.1029/2012GL053136.

Bevis, M.G., 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 in Greenland manifest ice mass variations, climate cycles and climate change.” Proceedings of the National 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 Northern Patagonian Icefield derived using a decade of satellite remote sensing.” Remote Sensing of Environment, 117, 184-198, 10.1016/j.rse.2011.09.017.

Barnhart, W.D., Willis, M.J., Lohman, R.B. and Melkonian, A.K. (2011). “InSAR and optical constraints on fault slip during the 2010-2011 New Zealand earthquake sequence.” Seismological Research Letters; November/December 2011; v. 82; no. 6; p. 815-823; DOI: 10.1785/gssrl.82.6.815.

Bevis, M.G., Kendrick, G., Smalley, Jr., R., Dalziel, I., Caccamise, D., Sasgen, I., Helsen, M., Taylor, F.W., Zhou, H., Brown, A., Raleigh, D., Willis, M.J., Wilson T.J. and Konfal, S. (2009). "Geodetic measurements of vertical crustal velocity in West Antarctica and the implications for ice mass balance." Geochem. Geophys. Geosyst. 10. doi:10.1029/2009GC002642.

Willis, M.J. (2008). “Technologies To Operate Year-Round Remote Global Navigation Satellite System (GNSS) Stations In Extreme Environments.” in Geodetic and Geophysical Observations in 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 by A.K. Cooper and C.R. Raymond et al., USGS Open File Report 2007-1047, Short Research Paper 064, 5p.; doi:10.3133/of2007-1047.srp064.

Konfal, S.A., Wilson, T.J., and Willis, M.J. (2007). GPS Surveys to Detect Active Faulting in the Transantarctic Mountains, Antarctica. in Antarctica: A Keystone in a Changing World - Online Proceedings of the 10th ISAES, edited by A.K. Cooper and C.R. Raymond et al., USGS Open File Report 2007-1047, Extended Abstract doi:10.3133/of2007-1047.ea021.

Willis, M.J., Wilson T.J. and James, T.S. (2003). “A Comparison of Measured and Modeled Bedrock Motions for Southern Victoria Land, Antarctica.” Proceedings of the workshop: The State of GPS

4 Vertical Positioning Precision: Separation of Earth Processes by Space Geodesy. Cahiers du Centre Européen de Géodynamique et de Séismologie. Vol. 23.

PUBLICATIONS IN PROGRESS Melkonian, A.K., Willis, M.J. and Pritchard, M.E. (2015) “Recent Glacier Velocities and Thinning at the Novaya Zemlya Icefield.” Remote Sensing of Environment, Submitted.

Larsen, S.H., Khan, S.A., Ahlstrøm, A.P., Hvidberg, C.S., Willis, M.J. and Andersen, S.B. (2015) “Increased Mass Loss and Asynchronous Behavior of Marine-Terminating Outlet Glaciers at Upernavik Isstrøm, NW Greenland.” Journal of Geophysical Research, Submitted

Melkonian, A.K., Willis, M.J. and Pritchard, M.E. “Stikine Icefield Mass Loss Between 2000 and 2013/2014.” In preparation for Environmental Research Letters.

Willis, M.J., Melkonian, A.K., Zheng, W. and Pritchard, M.E. “Recent Ice Mass Changes at the Severnaya Zemlya Archipelago, Russia” In preparation for Geophysical Research Letters

Willis, M.J., Borsa, A, Brunt, K., Porter C. and Echelar, A. “Calibration and validation of Worldview Digital Elevation Models over the Salar De Uyuni, Bolivia” In preparation for Geophysical Research Letters

HONORS 2008 International Polar Year-National Science Foundation Next Generation Polar Researcher. One of 35 competitively selected young scientists to take part in a one week immersive workshop on leadership skills, interdisciplinary research, media relations and outreach while being mentored by nationally and internationally recognized polar experts. 2008 “Willis Ridge” named in Antarctica by US Board of Geographic Names. 2006 Best student presentation, Scientific Committee on Antarctic Research Open Science meeting, 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 EXPERIENCE 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 logistics coordinator for all seasons after 2000.

2008 – Present Logistics planner for two International Polar Year projects and their subsequent extensions (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 researchers specializing in modeling glacial isostatic adjustment and Earth deformation.

5 2000 – 2008 Designed and installed regional and continental scale crustal motion geodesy networks. Installed the first successful continuously running GPS station in a polar location. Expanded the use of the design to more than one hundred remote field sites at high latitudes.

2003 Department of Civil Engineering, University of Bologna, Italy. Collaboration with Italian Antarctic Program on geodetic projects in Antarctica.

Additional field experience in Bolivia (2015), Greenland (2007), Scotland (1992- 1997), the Canadian Rockies (1997), Spitsbergen (1996), Australia (1995) and Malta (1995).

TEACHING AND MENTORING EXPERIENCE 2015 Lecturer for “Arctic Climate Change.” 100-level class at University of North Carolina at Chapel Hill.

2015 – present Mentor for PhD students William Durkin and WhyJay Zheng and undergraduate thesis co-advisor for Nicole Abib at Cornell University.

2013 – 2014 Senior thesis co-advisor for Adam Stewart, Cornell University.

2009 – 2015 Committee member and mentor for Andrew K. Melkonian, MSc and then PhD student at Cornell University.

2011 – 2014 Committee member Kevin Quinlan, MSc student at University of North Carolina at Chapel Hill.

2011 – 2012 Senior thesis co-advisor for Eva Golos, Cornell University, now at MIT.

2011 – present Co-Chair a weekly seminar on Earth Surface Processes at University of North Carolina at Chapel Hill.

2010 – 2011 Attended Cornell Center for Teaching Excellence Workshops on innovative use of technology, and research content in the classroom.

2001 – 2002 Graduate Teaching Assistant, Department of Geological Sciences, Ohio State University, Columbus, OH. Geomorphology, (550). Introduction to Earth Systems, (100).

SERVICE 2015 Designed, developed and taught a one week long workshop on open-source geospatial software to Spanish speaking students and faculty at the EMI University in La Paz, Bolivia. Worked with the Bolivian National Mapping Agency (IGM) and the Office of the Bolivian Vice President to increase use of Open Source Software at a governmental level.

2012 – present Invited presentations at the NASA sponsored North Carolina Climate Fellows Summer Institute.

2011 – present Adviser to the Polar Geospatial Center at the University of Minnesota and to DigitalGlobe, a high resolution satellite image provider. I facilitate improvement 6 of Google Earth imagery in the polar regions, and help set tasking for satellite acquisitions of notable geophysical, weather and, occasionally, political events.

2009 – 2014 American Geophysical Union Congressional Science Education and Technology participant. Washington D.C. Meet with congressional, senate and committee staffers on Capitol Hill to discuss geoscience, climate, education and research and design, and funding for national agencies.

2010 – 2014 Affiliated with NASA ASTER Science Team concentrating on mapping of glaciers and land ice from space.

2014 Presenter for NSF sponsored “Open Minds Science Café” at the Morehead Planetarium and Science Center, University of North Carolina. Encouraging teenagers to pursue a career in science.

2014 Mentor, Cornell University. Supervised intern recruited from historically underrepresented groups via the UNAVCO RESESS program to work on Russian Glacier systems.

2014 Public Lecture at Paleontological Research Institute, Museum of the Earth, Ithaca.

2014 Invited talks on Antarctica given at Durham School for the Arts and Orange County High School (NC) in association with UNC Institute for the Environment.

2012 Invited presentation at the Program for Arctic Regional Climate Assessment, at NASA Goddard Space Flight Center giving details of work on Greenland coastal uplift.

2010 Invited participant at National Science Foundation workshop on Autonomous Polar Observing systems.

2010 Invited participant at National Science Foundation workshop on land ice contribution to global sea level rise. Helped formulate a white-paper to inform the next decade of national research concerning ice mass change and sea level rise.

2010 Convener: Polar Observing Systems. International Polar Year, Oslo Science Conference. Oslo, Norway. Organized sessions, selected speakers and helped run the conference sessions.

2010 Mentor for Association of Polar Early Career Scientists (APECS) workshop. Oslo, Norway. Invited to organize and run three workshop sessions on Forming International Collaborations; Leadership; and Designing and Executing Polar Research Projects.

2010 Keynote Speaker at the International Polar Year, Oslo Science Conference. Oslo, Norway. The Polar Earth Observing Network: Progress report and future opportunities.

7 2010 Convener: Earth structure, deformation and ice sheet evolution. Scientific Committee on Antarctic Research, Open Science Conference. Buenos Aries, Argentina. Organized sessions and selected speakers.

2010 Public Lecture at Paleontological Research Institute, Museum of the Earth, Ithaca.

2007-2008 Mentor, Ohio State University. Supervised POLENET interns recruited from historically underrepresented groups via the UNAVCO RESESS and NCAR SOARS programs as well as the Ohio State University internal “Researching Research” program.

2008 - Present Reviewer for: Nature, The Cryosphere, EOS magazine, Geochemistry Geophysics and Geosystems, Global and Planetary Change, Journal of Geophysical Research, Journal of Glaciology, Remote Sensing of Environment, Tectonophysics, NASA Cryosphere program, National Science Foundation Cyber-infrastructure program, Polar program and Ocean Sciences program.

2008 Volunteer consultant for U.S. Coast Guard for body recovery feasibility study for a WWII era crashed B-17 site in the Koge Bugt region of southeastern Greenland.

2006 – 2009 Byrd Polar Research Center. Helped with educational outreach for Ohio science teachers, with a focus on the polar regions.

2006 – Present Invited speaker at University of Iowa (2015), University of North Carolina, Chapel Hill (2012), SUNY Buffalo (2010, Pegrum Lecture), University of Massachusetts at Amherst (2009), Lehigh University (2009), Cornell University (2008, 2009, 2010, 2011, 2012, 2014), 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 POLENET deployments in both polar regions. I am responsible for collating international efforts, helping to evolve the equipment design and organize maintenance scheduling.

2006 Invited keynote talk. “Challenges and Solutions for Continuous Remote GPS Stations in Antarctica.” GPS in the IPY: The POLENET Project, Technical University of 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 crustal deformation in Antarctica.

2000 Volunteer glaciology consultant for the US Army Central Identification Laboratory and National Geospatial Agency George-I body recovery feasibility study for a PBM-5 crash site on the Norville Peninsula, Thurston Island, Antarctica.

8 RESEARCH AND TECHNICAL ABILITIES Expert in glaciology, structural geology, geodesy, viscoelastic GIA, geomorphology, Quaternary environments, dating techniques, SAR Interferometry and remote sensing – including one-year of M.Sc. courses in remote-sensing and topographic science at Glasgow University. Remote sensing and GIS packages, ENVI, ERDAS, PCI, ARCinfo, QGIS. High-end GPS processing on LINUX. Graphics design and visualization packages. Shell scripting and open source tools for both presentation and research. Many collaborators from the international community.

2015 ABSTRACTS, PRESENTATIONS AND MEDIA President Obama talked about my current collaborative project “ArcticDEM” during a statement in Alaska. https://www.whitehouse.gov/blog/2015/09/02/using-new-elevation-data-explore-arctic This generated media coverage from a large number of news outlets.

Over 100 media outlets carried my work on subglacial lakes in Greenland, published in Nature, 2015. Simultaneous press release from Cornell, Columbia and UNC Chapel Hill. Additional press release from Ohio State, University of Minnesotta and NASA.

Willis, M.J., Bevis, M.G., Bell., R.E., Herried, B.G., Khan, S.A., and Hilsen, S. (2015). “High Resolution Observations of Elevation Changes at the Margin of the Greenland Ice Sheet.” Ilulissat Climate Days, June 2015.

Bevis, M.G., Khan, S.A., Brown, A., Harig, C., Simons, F., Willis, M.J., Box, J.E., van den Broeke, M., Madsen, F.B., Kendrick, E.C., Caccamise, D., van Dam, T., and Sasgen, I. (2015) “The 2013 ‘pause' in the deglaciation of Greenland.” Ilulissat Climate Days, June 2015.

Morin, P., Porter, C., Howat, I., Noh, M.J., Shean, D., Smith, B. and Willis, M.J. (2015) “Producing High-resolution Digital Elevation Models of Greenland” Ilulissat Climate Days, June 2015.

Pope, A., Scambos, T., Moussavi, M., Tedesco, M. and Willis, M.J. (2015) “Estimating Supraglacial Lake Depth with Landsat 8” Ilulissat Climate Days, June 2015.

Willis, M.J., Wilson, T.J., and Bevis, M.G. (2015). “Construction of High Resolution Digital Elevation Model Time-Series in Support of GIA Modeling.” GIA-Modeling, Fairbanks, AK. May 2015

Bevis, M.G., Khan, S.A., Brown, A., Harig, C., Simons, F., Willis, M.J., Box, J.E., van den Broeke, M., Madsen, F.B., Kendrick, E.C., Caccamise, D., van Dam, T., and Sasgen, I. (2015) “The 2013 ‘pause' in the deglaciation of Greenland.” GIA-Modeling, Fairbanks, AK. May 2015

Pritchard, M.E, Willis, M.J., Melkonian, A.K., Elliot, J.L. and Durkin W.J. (2015). “Changing Velocities And Elevation At Glaciers In Patagonia, Russia, and Alaska.” FRINGE InSAR meeting. March 2105 Frascati, Italy.

Barletta, V., Bevis, M.G., Smith, B., Wilson, T.J., Brown, A.K., Bordoni, A., Willis, M.J., Smalley, R.E., Kendrick, E.C., Konfal, S., Caccamise D., Aster, R., Chaput, J., Heeszel, D., Lloyd, A., and Wiens, D. (2015).“Decomposing very rapid crustal displacements observed in the Amundsen Embayment into their instantaneous elastic and short (10-100 yr) time-scale viscoelastic components.” EGU April 2015-7755.

9 Khan, S.A., Bamber, J., Bevis, M.G., Wahr, J., van dam, T., Wouters, B., and Willis, M.J. (2015). “Measurements of Glacial Isostatic Adjustment in Greenland.” EGU-April 2015-11302.

Morin, P., Porter, C., Howat, I., Noh, M.J., Shean, D., Smith, B. and Willis, M.J. (2015). “Producing High-Resolution Digital Elevation Models of Greenland.” Ilulissat Climate Days, June 2015.

PREVIOUS ABSTRACTS, PRESENTATIONS AND MEDIA APPEARANCES Willis, M.J., Melkonian, A.K., Pritchard, M.E., Golos, E.M., Stewart, A., Ornelas, G. and Ramage, J.M. (2014). “Glacier Changes in the Russian High Arctic.” Abstract G41C-03. Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec, 2014.

Bevis,M.G., Khan, S.A., Brown, A, Willis, M.J., Sasgen, I., and the GNET Team (2014). “Greenland's Elastic and Viscoelastic Adjustments to Ice Mass Changes.” Abstract G41C-03. Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec, 2014.

Konfal, S.A., Wilson, T.J., Bevis, M.G, Kendrick, E.C., Dalziel, I.W.D., Smalley Jr, R., Willis, M.J., Heeszel,D., Wiens, D.A., and The POLENET Team (2014). “GPS Measurements of Crustal Motion Indicate 3D GIA Models are Needed to Understand Antarctic Ice Mass Change.” Abstract G51A-0342. Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec, 2014.

Ornelas, G., Willis, M.J., Pritchard, M.E., and Melkonian, A.K. (2014). “Monitoring Glacier change at the Academy of Sciences Icecap, Severnaya Zemlya, Russian High Arctic.” Abstract C21C-0368. Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec, 2014.

Pope, A., Scambos, T.A, Moussavi, M.S., Tedesco, M. and Willis, M.J. (2014). “Estimating Supraglacial lake depth with Landsat 8.” Abstract C14B-04. Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec, 2014.

Willis, M.J., Melkonian, A.K., Stewart, A.J., Golos, E.M., Pritchard, M.E., and Ramage, J.M (2013). “Outlet Glacier Thickness and Velocity Changes in Response to the Destruction of the Matsuevich Ice Shelf, Severnaya Zemlya, Russian High Arctic.” Abstract C13D-07, Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Willis, M.J., Juntunen, T., Porter, C.C. and Morin, P.J. (2013). “High-resolution digital elevation models of the Flade Iceblink feature in NE Greenland.” Abstract C33B-0736, Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Elliott, J., Melkonian, A.K., Pritchard, M.E. and Willis, M.J. (2013). “Satellite Observations of Surface Flow Variations at Southeast Alaskan Glaciers.” Abstract C43C-0685, Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Konfal, S.A., Wilson, T.J., Bevis; M.G., Kendrick, E.C., Dalziel, I.W., Smalley, R., Willis, M.J., Heeszel, D. and Wiens, D.A. (2013). “GPS observations of glacial isostatic adjustment into the Antarctic Interior.”Abstract G43B-0981, Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

Melkonian, A.K., Willis, M.J., Pritchard, M.E. and Stewart, A.J., (2013). “Surface Elevation Changes and Velocities from Remote-Sensing Data at Vil'kitskogo, Inostranzeva and Bunge Glaciers on the Novaya Zemlya Icefield in the Russian High Arctic” Abstract C21D-0653, Fall Meeting, AGU, San Francisco, Calif., 9-13 Dec, 2013.

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Willis, M.J., Melkonian, A.K., Pritchard M.E. and Golos E.M. (2012). “Ice Mass Changes in the Russian High Arctic.” Abstract C21C-0627, Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec, 2012.

Berti, C., Ramage J.M., Willis, M.J., Semmens K.A., Melkonian, A.K. and Pritchard M.E. (2012). “Relation Between Glacier Velocity, SAR Glacier Zones, And The Timing Of Melting In The Southern Patagonia Icefield.” Abstract C23C-0661, Fall Meeting, AGU, San Francisco, Calif., 3- 7 Dec, 2012.

Bevis, M.G., Khan, S.A., Brown, A.K., Kendrick, E.C., Wahr, J.H., Knudsen, P., Willis, M.J. and van Dam, T.M. (2012). “Geodetic observations of accelerating ice loss in Greenland.” Abstract T33I- 01, Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec, 2012.

Konfal, S.A., Wilson, T.J., Bevis, M.G., Kendrick E.C. and Willis, M.J. (2012). “Modern Horizontal Crustal Motions in Victoria Land, Antarctica: Influence of Heterogeneous Earth Structure on Solid Earth Deformation.” Abstract T41B-2591, 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec, 2012.

Melkonian A.K., Elliott, J., Willis, M.J. and Pritchard, M.E. (2012). “Volume Change Rates of Southeast Alaskan Icefields from Stacked Digital Elevation Models, 2000-2009/2010.” Abstract C43B- 0599, Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec, 2012.

Rivera, A., Willis, M.J., Melkonian, A.K., Pritchard, M.E., Ramage, J.M., Berti, C. and Bown, F. (2012). “Ice-Mass Loss and Glacier Motions at the Patagonian Icefields, South America.” Abstract C53B- 0841, Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec, 2012.

Wilson, T.J., Bevis M.G., Kendrick, E.C., Konfal S.A., Dalziel, I.W., Smalley, R., Willis, M.J., Wiens, D.A. and Heeszel, D.S. (2012). “In Situ Observational Constraints on GIA in Antarctica.” Abstract G23C-06, Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec, 2012.

AGU Media Relations, (5th September 2012). “Glacial thinning has sharply accelerated at major South American icefields.” AGU press release to the general media No 12-41. Archived at http://www.agu.org/news/press/pr_archives/2012/2012-41.shtml

OSU Press Release, (24th July 2012). “GPS Can Now Measure Ice Melt, Change In Greenland Over Months Rather Than Years.” OSU press release to the general media concerning our work on the GNET project in Greenland. Archived at http://researchnews.osu.edu/archive/gpsspring.htm

Willis, M.J., Melkonian, A.K., Pritchard, M.E., Ramage, J.M., Ivins, E.R. and Rivera, A. (2011). “Satellite Observations 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) Optical Imagery and InSAR for Constraining Earthquake Slip: The 2010-2011 Cantebury, New Zealand Earthquakes.” Abstract G13A-0868 presented at the 2011 Fall Metting, AGU, San Francisco, Calif., 5-9 Dec.

Bevis, 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

11 anomalous “spike” in ice loss in Greenland during the 2010 melting season.” Abstract C53C- 0686 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 Elevation Change Rates from ASTER Satellite Data fro the Juneau Icefield, Alaska.” Abstract C34A-07 presented at the 2011 Fall Metting, AGU, San Francisco, Calif., 5-9 Dec.

OSU Press Release, (9th December 2011). “2010 Spike In Greenland Ice Loss Lifted Bedrock, GPS Reveals.” OSU press release to the general media concerning our work on the GNET project in Greenland. Archived at http://researchnews.osu.edu/archive/greenlift.htm

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 the Mass 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., van Dam, T., Forsberg, R., Wilson, Caccamise II, D., Konfal, S.A., and Johns, B. (2010). “Earth’s Elastic Response to Seasonal Cycles in Surface Loading in Greenland and Antarctica.” Abstract G34A- 01 presented at 2010 Fall Meeting, 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 the Patagonian Icefields from Satellite Remote Sensing.” Abstract C51A-0498 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.

Live interview, BBC Science “Polar Exchange” broadcast, (2010). International Polar Year International Science Conference. Archived at http://video.hint.no/mmt201v10/osc/?vid=89&ti=1

Willis, M.J., Wilson, T.J., James T.S. and Mazzotti, S. (2009). “GPS Constraints on Glacial Isostatic Adjustment Models and Implications for Ice Sheet Mass Balance in West Antarctica.” AGU Fall Meeting, Abstract G53B-0672.

Willis, M.J., Melkonian, A.K. and Pritchard, M.E. (2009). “Glacier Velocities and Elevation Change of the Northern Patagonian Icefields, Chile.” Ice and Climate Change: A Southern Perspective. Valdavia, Chile.

Bernstein, S., Willis, M.J., Melkonian, A.K. and Pritchard, M.E. (2009). “Glacier Velocities and Elevation Change of the Northern Patagonian Icefields, Chile.” AGU Fall Meeting, Abstract C43- D07.

Bevis, 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.” AGU Fall Meeting, Abstract G43B-072.

Melkonian, A.K., Willis, M.J., Pritchard, M.E. and Bernstein, S. (2009). “Glacier Velocities and Elevation Change of the Juneau Icefield, Alaska.” AGU Fall Meeting, Abstract C51-0490.

34 Other abstracts, presentations and media appearances made during graduate career, pre-2009. Details available upon request.

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