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Martin Truffer
Professor of Physics
Geophysical Institute truffer [at] gi [dot] alaska [dot] edu +1 (907) 474 5359
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About Me
Research Interest
- Glacier dynamics
- Subglacial processes
- Ice-ocean interaction
- Fast glacier flow
- Geophysical applications to glaciology
- Hot water drilling
- Numerical modeling
- Geophysical inverse methods
Some of my older projects are on my old homepage. I will slowly migrate to here.
Check out my field blog for current activities
Research Projects
- Dynamics of Lake-Calving Glaciers: Yaktutat Glacier, Alaska. Funded by NSF OPP. PI: M. Motyka, Co-Is: M. Truffer and C. Larsen
- Ice depths on the Harding Icefield. Funded by NPS. PI: M. Truffer
- Quantifying Glacier-Fjord-Ocean Interactions and Their Impact on Changing Ice Discharge: Kangia Nunata Sermia and Other Outlets, West Greenland. Funded by NSF-OPP. Co-PIs: R. Motyka and M. Fahnestock
- Development of Drifting Buoys for Measuring Upper Ocean Properties in Heavily Ice Covered Fjords. Funded by the Greenland Climate Research Center. Co-I: Peter Winsor, SFOS-UAF
- A glacier-ocean observatory for tidewater glaciers Funded by the Gordon and Betty Moore Foundation. Co-I: M. Fahnestock
- The rapid retreat of Jakobshavn Isbrae, Greenland Funded by NASA. Co-I: M. Fahnestock, R. Motyka, M. Luethi (ETHZ)
- Ocean-Ice Sheet Interaction in the Amundsen Sea: The Keystone of West Antarctic Stability. Funded by NSF-OPP. Collaborators: NASA, Naval Postgraduate School, Penn State, New York University, British Antarctic Survey
- The LARsen IceShelf System, Antarctica (LARISSA) . Funded by NSF-OPP. Collaborators: Hamilton College, the National Snow and Ice Data Center, the Byrd Polar Institute, the Lamont-Doherty Observatory, Scripps Institute of Oceanography, and Colgate College
- Boundary inverse problems in glaciology . Funded by NSF-CMG. Collaborators: D. Maxwell, S. Avdonin,
- The Parallel Ice Sheet Model (PISM) . Funded by NASA. PIs: E. Bueler, D. Maxwell, R. Hock, M. Truffer
Alaska
Greenland
Antarctica
Theory
Teaching
Publications
- Amundson, J.M., J.F. Clinton, M. Fahnestock, M. Truffer, M.P. Lüthi, and R.J. Motyka. 2012. Observing calving-generated ocean waves with coastal broadband seismometers, Jakobshavn Isbrae, Ann. Glaciol., 53(60).
- Walter, F., J.M. Amundson, S. O’Neel, M. Truffer, M. Fahnestock and H. Fricker. 2012. Analysis of low‐frequency seismic signals generated during a multiple‐iceberg calving event at Jakobshavn Isbrae, Greenland. J. Geophys. Res., 116(B06311), doi:10.1029/2011JB008262.
- Joughin, I., B.E. Smith, I.M. Howat, D. Floricioiu, R.B. Alley, M. Truffer, and M.A. Fahnestock (2012), Seasonal to decadal scale variations in the surface velocity of Jakobshavn Isbrae, Greenland: Observation and model-based analysis, J. Geoph. Res., Earth Surface, 117, F02030, doi: 10.1029/2011JF002110.
- McNabb, R.W., R. Hock, S. O'Neel, L.A. Rasmussen, Y. Ahn, M. Braun, H. Conway, S. Herreid, I. Joughin, W.T. Pfeffer, B.E. Smith, M. Truffer (2012), Using surface velocities to calculate ice thickness and bed topography: a case study at Columbia Glacier, Alaska, USA. Journal of Glaciology, 58(212), 1212-1226. doi:10.3189/2012JoG11J249.
- Podrasky, D., M. Truffer, M. Fahnestock, J.M. Amundson, R. Cassotto, and I. Joughin (2012), Outlet glacier response to forcing over hourly to interannual timescales, Jakobshavn Isbrae, Greenland.Journal of Glaciology, 58(212), 1212-1226. doi:10.3189/2012JoG12J065.
- Habermann, M., D.Maxwell, and M. Truffer (2012), Reconstruction of basal properties in ice sheets using iterative inverse methods. Journal of Glaciology, 58(210), 795-807. doi:10.3189/2012JoG11J168.
- Glasser, N. F., T.A. Scambos, J. Bohlander, M. Truffer, E. Pettit, and B.J. Davies (2011). From ice-shelf tributary to tidewater glacier: continued rapid recession, acceleration and thinning of Röhss Glacier following the 1995 collapse of the Prince Gustav Ice Shelf, Antarctic Peninsula. Journal of Glaciology, 57(203), 397-406. doi:10.3189/002214311796905578.
- Motyka, R. J., M. Fahnestock, M. Truffer, J. Mortensen, and S. Rysgaard. (2011). Submarine melting of the 1985 Jakobshavn Isbrae floating tongue and the triggering of the current retreat, J. Geophys. Res. - Earth Surface, 116(F1), doi:10.1029/2009JF001632.
- Amundson, J. M., M. Fahnestock, M. Truffer, J. Brown, M.P. Lüthi, and R. J. Motyka. (2010), Ice mélange dynamics and implications for terminus stability, Jakobshavn Isbræ, Greenland . J. Geoph. Res., Earth Surface, 115, F01005, doi:10.1029/2009JF001405.
- Amundson, J.M. and M. Truffer, (2010) A unifying framework for iceberg-calving models. Journal of Glaciology, 56(199), pp.822-830.
- Motyka, R. J., M. Fahnestock, and M. Truffer, (2010), Volume Change of Jakobshavn Isbræ, West Greenland: 1985 – 1997 – 2007. Journal of Glaciology, 56(198), 635-646.
- West, M., C.F. Larsen, M. Truffer, S. O'Neel, and L. LeBlanc. (2010). Glacier microseismicity. Geology, 38(4), pp.319-322.
- Truffer, M. , R. J. Motyka, M. Hekkers, I. Howat, and M. King, (2009), Terminus dynamics at an advancing glacier: Taku Glacier, Alaska. Journal of Glaciology, 55(194), 1052-1060.
- Lüthi, M., M. Fahnestock, and M. Truffer, (2009). Calving icebergs indicate a thick layer of temperate ice at the base of Jakobshavn Isbræ, Greenland. Journal of Glaciology, 55(191), 563-565.
- Farinotti, D., M. Huss, A. Bauder. M. Funk, and M. Truffer (2009). A method to estimate the ice volume and ice-thickness distribution of alpine glaciers. Journal of Glaciology, 55(191), 422-430.
- Avdonin, S., V. Kozlov, D. Maxwell, and M. Truffer. (2009). Iterative methods for solving a nonlinear boundary inverse problem in glaciology. Journal of Inverse and Ill-posed Problems, 17(3), 239-258, doi:10.1515/JIIP.2009.018.
- Thost, D.E. and M. Truffer (2008). Glacier recession on Heard Island, southern Indian Ocean. Arctic, Antarctic, and Alpine Research , 40(1), 199-214.
- Ritchie, J.B., C. Lingle, R.J. Motyka, and M. Truffer (2008). Seasonal fluctuations in the advance of a tidewater glacier and potential causes: Hubbard Glacier, Alaska, USA. Journal of Glaciology , 54 (186), 401-411.
- Maxwell, D., M. Truffer, S. Avdonin, and M. Stuefer (2008). An iterative scheme for determining glacier velocities and stresses. Journal of Glaciology , 54 (188), 888-898
- Joughin, I., I.M. Howat, M. Fahnestock, B. Smith, W. Krabill, R.B. Alley, H. Stern, and M. Truffer (2008). Continued evolution of Jakobshavn Isbræ following its rapid speedup. Journal of Geophysical Research , 113 (F04006), doi:10.1029/2008JF001023.
- Joughin, I., I.M. Howat, R.B. Alley, D.L. Egholm, M. Fahnestock, T. Moon, M. Nettles, M. Truffer, and V. Tsai (2008). Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland. J. Geophys. Res., 113(F1), pp.1-11.
- Kanamori, S., C.S. Benson, M. Truffer, S. Matoba, D.J. Solie, and T. Shiraiwa (2008). Seasonality of snow accumulation at Mount Wrangell, Alaska, USA. Journal of Glaciology , 54 (185), 273-278.
- Harrison, W. D., R.J. Motyka, M. Truffer, O. Eisen, M.T. Moran, C.F. Raymond, M. Fahnestock, and M. Nolan (2008). Glacier, fjord, and seismic response to recent large calving events, Jakobshavn Isbrae, Greenland. Geophys. Res. Lett , 35, L22501, doi:10.1029/2008GL03528.
- Boyce, E.S., R.J. Motyka, and M. Truffer (2007). Flotation and retreat of lake-calving terminus, Mendenhall Glacier, southeast Alaska, USA. Journal of Glaciology , 53 (181), 211-224.
- Benson, C.S., R.J. Motyka, S. McNutt, M. Lüthi, M. Truffer (2007). Glacier-volcano interactions in the North Crater of Mt Wrangell, Alaska. Annals of Glaciology , 45, 48-57.
- Motyka, R.J. and M. Truffer, (2007). Hubbard Glacier, Alaska: 2002 closure and outburst of Russell Fjord and postflood conditions at Gilbert Point. J. Geophys. Res., 112(F2), pp.1-15.
- Truffer, M. and M. Fahnestock (2007). Rethinking Ice Sheet Time Scales. Science , 315 1508-1509. doi:10.1126/science.11404
- Motyka, R.J., M. Truffer, E.M. Kuriger, and A.K. Bucki. (2006) Rapid erosion of soft sediments by tidewater glacier advance: Taku Glacier, Alaska, USA, Geophys. Res. Lett., 33, L24504, doi:10.1029/2006GL028467.
- Amundson, J.M., M. Truffer, and M.P. Lüthi. (2006) Time-dependent basal stress conditions beneath Black Rapids Glacier, Alaska, inferred from measurements of ice deformation and surface motion. J. Glaciol., 52, 178, 347-357.
- Truffer, M. and W.D. Harrison. (2006) In-situ measurements of till deformation and water pressure. J. Glaciol.,52(177), 175-182.
- Harrison, W.D. and M. Truffer. (2006) Instrumenting thick, active, clast rich till. In: P. Knight (ed.): Glacier Science and Environmental Change.
- Kuriger, M. Truffer, E.M., R.J. Motyka, and A.K. Bucki. (2006) Episodic reactivation of large scale push moraines in front of the advancing Taku Glacier, Alaska. J. Geoph. Res., 111, F1, doi:10.1029/2005JF000385.
- Truffer, M., W.D. Harrison, and R.S. March. (2005) Record negative glacier balances and low velocities during the 2004 heatwave in Alaska, USA: implications for the interpretation of observations by Zwally and others in Greenland. Correspondence. J. Glaciol., 51, 175, 663-664.
- Harrison, W.D., M. Truffer, K.A. Echelmeyer, D.A. Pomraning, K.A. Abnett, and R.H. Ruhkick. (2004) Probing the till beneath Black Rapids Glacier, Alaska. J. Glaciol., 50, 171, 608-614.
- Truffer, M. (2004) The basal speed of valley glaciers: An inverse approach. J. Glaciol., 50, 169, 236-242.
- Fatland, D.R., C.S. Lingle and M. Truffer. (2003) A surface motion survey of Black Rapids Glacier, Alaska, U.S.A. Ann. Glaciol., 36, 29-36.
- Truffer, M. and K.A. Echelmeyer. (2003) Of isbræ and icestreams. Ann. Glaciol., 36, 66-72.
- Lüthi, M., M. Funk, A. Iken, P. Gogineni, and M. Truffer. (2002) Mechanisms of fast flow in Jakobshavn Isbræ, Greenland. Part III, Measurements of ice deformation, temperature and cross-borehole conductivity in boreholes to the bedrock. J. Glaciol., 48, 162, 364-385.
- Truffer, M., K.A. Echelmeyer, and W.D. Harrison. (2001) Implications of till deformation on glacier motion. J. Glaciol., 47, 156, 123-134.
- Truffer, M., W.D. Harrison, and K.A. Echelmeyer. (2000) Glacier motion dominated by processes deep in underlying till. J. Glaciol., 46, 153, 213-221.
- Truffer, M., R.J. Motyka, W.D. Harrison, K.A. Echelmeyer, B. Fisk, and S. Tulaczyk. (1999) Subglacial drilling at Black Rapids Glacier, Alaska, U.S.A.: Drilling method and sample description. J. Glaciol., 45, 151, 495-505.
- Truffer, M. and A. Iken. (1998) The sliding velocity over a sinusoidal bed at high water pressure. J. Glaciol., 44, 147, 379-382.
- Iken, A. and M. Truffer. (1997) The relation of subglacial water pressure and velocity of Findelengletscher, Switzerland: Conclusions about drainage system and sliding mechanism. J. Glaciol., 43, 144, 328-338.
