Glacier Dynamics Research Group Publications

2018

King MD, Howat IM, Jeong S, Noh MJ, Wouters B, Nöel B, van den Broeke MR. Seasonal to decadal variability in ice discharge from the Greenland Ice Sheet. The Cryosphere 12, 3813-3825, https://doi.org/10.5194/tc-12-3813-2018. article

Cassotto R, Fahnestock M, Amundson J, Truffer M, Boettcher M, *De la Peña S, Howat I. Nonlinear glacier response to calving events, Jakobshavn Isbræ, Greenland. Accepted. Journal of Glaciology. doi:10.1017/jog.2018.90

Joughin I, Smith B, Howat IM. Greenland Ice Mapping Project: Ice Flow Velocity Variation at sub-monthly to decadal time scales. 2018. The Cryosphere 12: 2211-2227. article

Howat I, de la Peña S, Desilets D, Womack G. 2018. Autonomous Ice Sheet Surface Mass Balance Measurements from Cosmic Rays. The Cryosphere 12: 2099-2108. doi:10.5194/tc-12-2099-2018. article

Dai C, Durand M, Howat IM, Altenau E, Pavelsky T. 2018. Estimating river surface elevation from ArcticDEM. Geophysical Research Letters 45(7): 3107-3114. doi:10.1002/2018GL077379. article

Dai C, Howat IM, 2018. Detection of saturation in pushbroom satellite imagery with wavelets. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 11(5): 1684-1693. doi:10.1109/JSTARS.2018.2814543. article

Bamber J,  Tedstone A, King M, Howat IM, Van den Broeke M. Land ice freshwater budget of the Arctic and North Atlantic Oceans. Part I: Data, methods and results. 2018. Journal of Geophysical Research Oceans 123(3): 1827-1837. doi:10.1002/2017JC013605. article

Xiaoli Su, Shum CK, Guo J, Howat IM, Kuo C, Duan J, Yi Y. Estimating nominal density at the inter-annual scale integrating GRACE gravimetry and Envisat altimetry over the Antarctic ice sheet. IEEE Transactions on Geoscience and Remote Sensing. 56(1): 539-546. https://doi.org/10.1109/TGRS.2017.2751070. article

Noh MJ, Howat IM. Automatic relative RPC image model bias compensation through hierarchical image matching for improving DEM quality. ISPRS Journal of Photogrammetry and Remote Sensing 136: 120-133. article

2017

Dai C, Howat IM. Measuring lava flows with ArcticDEM: Application to the 2012–2013 eruption of Tolbachik, Kamchatka. Geophysical Research Letters 44. https://doi.org/10.1002/2017GL075920. article

Joughin I, Smith B, Howat I. A complete map of Greenland ice velocity derived from satellite data collected over 20 years. Journal of Glaciology. doi:10.1017/jog.2017.73. article

Morlighem M and 31 others including Howat I. BedMachine v3: Complete bed topography and ocean bathymetry mapping of Greenland from multibeam echo sounding combined with mass conservation, Geophysical Research Letters, 44, 11,051–11,061. https://doi.org/10.1002/2017GL074954. article

Chen C, Howat IM, De la Peña S. Formation and development of supraglacial lakes in the percolation zone of the Greenland Ice Sheet. Journal of Glaciology. 63(241): 847–853. doi: 10.1017/jog.2017.50. article

Joaquín MCB, Berthier E, Magnússon E, Anderson L, Pálsson F, Thorsteinsson T, Howat I, Aðalgeirsdóttir G, Jóhannesson T, Jarosch AH. Winter mass balance of Drangajökull ice cap (NW Iceland) derived from satellite sub-meter stereo images. The Cryosphere 11(3): 1501-1517. doi:10.5194/tc-11-1501-2017. article

Voytenko D, Dixon TH, Holland DM, Cassotto R, Howat IM, Fahnestock MA, Truffer M, de la Pena S. Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry. Journal of Glaciology 63(240): 629-636. doi:10.1017/jog.2017.28 article

Noh MJ, Howat IM. Surface Extraction from TIN based Search-space Minimization (SETSM) Algorithm. ISPRS Journal of Photogrammetry and Remote Sensing 129: 55-76. article

Noel B, Van de Berg WJ, Lhermitte S, Wouters B, Machguth H, Howat I, Citterio M, Moholdt G, Lenaerts JTM and Van den Broeke M. A tipping point in refreezing accelerates mass loss of Greenland’s glaciers and ice caps. Nature Communications 8:14730. doi:10.1038/ncomms14730abstract | article [pdf]

Wrzesien ML,  Durand MT, Pavelsky TM, Howat IM, Margulis SA, Hunin LS.  Comparison of Methods to Accurately Determine Snow Water Equivalent at the Mountain Range Scale. Journal of Hydrometeorology 18: 1101–1119. doi: 10.1175/JHM-D-16-0246.1. article

Price S, Hoffman M, Bonin J, Neumann T, Howat I, Saba J, Guerber J, Chambers D, Evans K, Kennedy K, Lenaerts J, Lipscomb W, Nowicki S, Perego M, Salinger A, Tuminaro R, Van den Broeke M. An ice sheet model validation framework for the Greenland ice sheet. Geoscientific Model Development 10(1):255-270abstract | article [pdf]

Jeong S, Howat IM, Ahn Y. Improved Multiple Matching Method for Observing Glacier Motion with Repeat Image Feature Tracking. IEEE Transactions on Geoscience and Remote Sensing 55(4):2431-2441. doi:10.1109/TGRS.2016.2643699. abstract | article [pdf]

Motyka RJ, Cassotto R, Truffer M, Kjeldsen KK, As DV, Korsgaard NJ, Fahnestock M, Howat I, Langen PL, Mortensen J, Lennert K, Rysgaard S. Asynchronous Behavior of Outlet Glaciers Feeding Godsthåbfjord (Nuup Kangerlua) and the Retreat of Narsap Sermia in SW Greenland. Journal of Glaciology. :1–21. doi: 10.1017/jog.2016.138.  article [pdf]

2016

Jeong S, Howat IM, Bassis J. accepted, Accelerated ice shelf rifting and retreat at Pine Island Glacier, West Antarctica. Geophysical Research Letters 43(11): 11720–11725. doi:10.1002/2016GL071360. abstract |  article [pdf]

Noël BW, van de Berg J, Machguth H, Lhermitte S, Howat I, Fettweis X, van den Broeke M., A daily, 1 km resolution data set of downscaled Greenland ice sheet surface mass balance (1958–2015). The Cryosphere 10:2361-2377, abstract | article [pdf]

Van den Broeke, M., E. Enderlin, I.M. Howat, P. Kuipers Munneke, B. Noël, E. van Meijgaard, and B. Wouters, On the recent contribution of the Greenland ice sheet to sea level change, The Cryosphere, 10, 1933-1946, abstract | article [pdf]

Joughin, I.R., B.E. Smith, I.M. Howat, T. Moon, T. Scambos, 2016, A Synthetic Aperture Radar Record of Early 21st Century Change in Greenland, Journal of Glaciology, 62, 62-71, doi:10.1017/jog.2016.10, abstract | article [pdf]

2015

Kuipers Munneke,  P. , S. R. M. Ligtenberg , B. P. Y. Noel, I. M. Howat, J. E. Box, E. Mosley-Thompson, J. R. McConnell, K. Steffen, J. T. Harper, S. B. Das, M. R. van den Broeke, Elevation change of the Greenland ice sheet due to surface mass balance and firn processes (1960–2013), The Cryosphere 9, 2009-2025, doi:10.5194/tc-9-2009-2015 abstract | article [pdf]

Jeong, S, I.M. Howat, Performance of LANDSAT-8 Operational Land Imager for Mapping Ice Sheet Velocity, Remote Sensing of Environment, 170, 90-101, doi:10.1016/j.rse.2015.08.023 abstract | article [pdf]

Voytenko, D., T. H. Dixon, M. E. Luther,  C. Lembke, I.M. Howat, S. de la Peña, Lagoon current observations in southeastern Iceland with automated iceberg tracking and Terrestrial Radar Interferometry, Computers and Geosciences, 82, 23–30, doi: 10.1016/j.cageo.2015.05.012 abstract | article [pdf]

De la Peña, S., Howat, I.M., Nienow, P.W., van, d.B., Mosley-Thompson, E., Price, S.F., Mair, D., Noël, B. and Sole, A.J., in review, Changes in the firn structure of the Greenland Ice Sheet caused by recent warming, The Cryosphere, 9, 1203-1211, doi:10.5194/tc-9-1203-2015, abstract | article [pdf]

Su, X., C.K. Shum, J. Guo, J. Duan, I.M. Howat, Y. Yi, High Resolution Greenland Ice Sheet Inter-annual Mass Variations Combining GRACE Gravimetry and Envisat Altimetry, Earth and Planetary Science Letters, 422, 11–17 abstract | article [pdf]

Noh, M.J., I.M. Howat, Automated stereo-photogrammetric DEM generation at high latitudes: Surface Extraction from TIN-Based Search Minimization (SETSM) validation and demonstration over glaciated regions, GIScience and Remote Sensing, 52, 2, 198-217, doi:10.1080/15481603.2015.1008621 abstract | article [pdf]

Howat, I.M., C. Porter, M.J. Noh, B.E. Smith, S. Jeong, Brief Communication: Sudden drainage of a subglacial lake beneath the Greenland Ice Sheet, The Cryosphere, 9,103-108, doi:10.5194/tc-9-103-2015 abstract | article [pdf]

Voytenko, D., T. Dixon , I.M. Howat , N. Gourmelen , C. Lembke , C. Werner , S. de la Peña, B. Oddsson, Multi-year observations of Breiðamerkurjökull, a marine-terminating glacier in southeastern Iceland, using terrestrial radar interferometry, Journal of Glaciology, 61, 225, 42-54, doi: 10.3189/2015JoG14J099 abstract | article [pdf]

Leeson, A. A., A. Shepherd, K.A. Briggs, I.M. Howat, X. Fettweis, M. Morlighem, E.. Rignot, Supraglacial lakes on the Greenland ice sheet advance inland under warming climate,Nature Climate Change, 5, 51–55, doi:10.1038/nclimate2463 abstract | article [pdf]

2014

Howat, I.M., A. Negrete, B.E. Smith, The Greenland Ice Mapping Project (GIMP) land classification and surface elevation datasets, The Cryosphere, 8, 1509-1518, doi:10.5194/tc-8-1509-2014 abstract | article [pdf]

Pfeffer, W.T., Arendt, A.A., Bliss, A., Bolch,T., Cogley, J.G., Gardner, A.S., Hagen, J-O., Hock, R., Kaser, G., Kienholz, C., Miles, E.S., Moholdt, G., Moelg, N., Paul, F., Radic, V., Rastner, P., Raup, B., Rich, J., Sharp, M.J. and the Randolph Consortium, The Randolph Glacier Inventory: a globally complete inventory of glaciers. Journal of Glaciology, 60, 221, 537-552, doi:10.3189/2014JoG13J176 article [pdf]

E.M. Enderlin, I.M. Howat, S. Jeong, M.J. Noh, J.H. van Angelen, M.R. van den Broeke, An improved mass budget for the Greenland Ice Sheet, Geophysical Research Letters, doi: 10.1002/2013GL059010 abstract | article [pdf] | supporting material

2013

Enderlin, E.M., I.M. Howat, A. Vieli, The sensitivity of flowline models of tidewater glaciers to parameter uncertainty, The Cryosphere, 7, 1579-1590, doi:10.5194/tc-7-1579-2013 abstract | article [pdf]

Enderlin, E.M., I.M. Howat, A. Vieli, High sensitivity of tidewater outlet glacier dynamics to shape, The Cryosphere, 7, 1007-1015, doi:10.5194/tc-7-1007-2013 abstract | article [pdf]

Thompson, L.G., E. Mosley-Thompson, M.E. Davis, V.S. Zagorodnov, I.M. Howat, V.N. Mikhalenko, P.N. Lin, 2013, Annually resolved ice core records of tropical climate variability over the last ~1800 years, Science, 340, 6135, 945-950, doi:10.1126/science.1234210 abstract

Noh, M.J., I.M. Howat, Automated co-registration of repeat Digital Elevation Models for surface elevation change measurement using geometric constraints, IEEE Transactions in Geoscience and Remote Sensing, PP, 99, doi:10.1109/TGRS.2013.2258928 abstract | article [pdf]

Griggs, J.A, J.L. Bamber, R.T.W.L. Hurkmans, J.A. Dowdeswell, S.P. Gogineni, I. Howat, J. Mouginot, J. Paden, S. Palmer, E. Rignot, and D. Steinhage, A new bed elevation dataset for Greenland, The Cryosphere, 7, 499-510, doi:10.5194/tc-7-499-2013 abstract | article [pdf]

Levinsen, J.F., I.M. Howat, C.C. Tscherning, Improving maps of ice sheet surface elevation change using combined laser altimeter and stereoscopic elevation model data, Journal of Glaciology,59, 215, doi:10.3189/2013JoG12J114 abstract | article [pdf]

Howat, I.M., S. de la Peña, J.H. van Angelen, J.T.M. Lenaerts, M.R. van den Broeke, Brief Communication "Expansion of meltwater lakes on the Greenland ice sheet", The Cryosphere, 7, 201-204, doi:10.5194/tc-7-201-2013 abstract | article [pdf]

Enderlin, E.M., I.M. Howat, Submarine Melt Rate Estimates for Floating Termini of Greenland Outlet Glaciers (2000-20 10), Journal of Glaciology, 59, 213, 67-75, doi: 10.3189/2013JoG12J049 abstract | article [pdf]

2012

Dixon, T.H., D. Voytenko, C. Lembke, S. de la Peña*, I.M Howat, N. Gourmelen, C. Werner, B. Oddsson, Emerging Technology Monitors Ice-Sea Interface at Outlet Glaciers, EOS Trans. AGU., 93, 48, 497-498. abstract | article [pdf]

Joughin, I., B,E. Smith, I.M. Howat, D. Floricioiu, R.B. Alley, M. Truffer, M. Fahnestock, Seasonal to Decadal Scale Variation of Jakobshavn Isbrae, Greenland: Observation and Model-Based Analysis,Journal of Geophysical Research,117, F02030, doi:10.1029/2011JF002110 abstract | article [pdf]

Moon, T., I. Joughin, B.E. Smith, I.M. Howat, 21st century evolution of Greenland outlet glacier velocities, Science, 336, 576-578, doi: 10.1126/science.1219985 abstract | article [pdf] | supplementary materials

Walsh, K.M., I.M. Howat, and E. Enderlin, Changes in the marine-terminating glaciers of central east Greenland and potential connections to ocean circulation, 2000-2010, The Cryosphere, 6, 211-220, doi:10.5194/tc-6-211-2012 abstract | article [pdf]

Walter, J.I., J.E. Box, S. Tulaczyk, E. Brodsky, I.M. Howat, Y. Ahn, A. Brown, Oceanic mechanical forcing of calving and flow speed of a marine-terminating Greenland glacier, Annals of Glaciology, 53, 60, 181-192, doi: 10.3189/2012AoG60A083 article [pdf]

Howat, I.M., K. Jezek, M. Studinger, J. A. MacGregor, J. Paden, D. Floricioiu, R. Russell, M. Linkswiler and R. T. Dominguez, New rift in Pine Island Glacier, West Antarctica, provides unique opportunity to study ice-shelf retreat, EOS, Trans. AGU, 93, 8, 77, doi:10.1029/2012EO080001 abstract | article [pdf]

Lee, H., C.K. Shum, I.M. Howat, A. Monaghan, Y. Ahn, J. Duan, J. Guo, C. Kuo, L. Wang, Continuously accelerating ice loss over Amundsen Sea catchment, West Antarctica, revealed by integrating altimetry and GRACE data, Earth and Planetary Science Letters, 321-322, 74-80, doi:10.1016/j.epsl.2011.12.04 abstract | article [pdf]

Liu, L., J. Wahr, I.M. Howat, S.A. Khan, I. Joughin, M. Furuya, Constraining ice mass loss from Jakobshavn Isbræ (Greenland) using InSAR-measured crustal uplift, Geophysical Journal International, 188, 994-1006, DOI: 10.1111/j.1365-246X.2011.05317.x abstract | article [pdf]

2011

Howat, I.M, Y. Ahn, I. Joughin, M. van den Broeke, J. Lenaerts and B.E. Smith,  Mass balance of Greenland's three largest outlet glaciers, 2000-2010, Geophysical Research Letters, 38, L12501, doi:10.1029/2011GL047565 abstract | article [pdf] | auxiliary material [zip]

Price, S., A. Payne, I.M. Howat and B.E. Smith, Committed sea-level rise for the next century from Greenland ice sheet dynamics during the past decade, Proceedings of the National Academy of Sciences, 108, 22, 8978-8983, doi: 10.1073/pnas.1017313108 article [pdf]

McFadden, E.M., I.M. Howat, I. Joughin, B.E. Smith and Y. Ahn, Changes in the Dynamics of Marine-Terminating Outlet Glaciers in West Greenland (2000-2009), Journal of Geophysical Research, 116, F02022, doi:10.1029/2010JF001757 abstract | article [pdf]

Howat, I.M. and A. Eddy, Multidecadal retreat of Greenland’s marine-terminating glaciers, Journal of Glaciology, 57, 203 abstract | article [pdf]

Ahn, Y. and I.M. Howat, Efficient, Automated Glacier Surface Velocity Measurement from Repeat Images Using Multi-Image/Multi-Chip (MIMC) and Null Exclusion Feature Tracking, IEEE Trans. on Geoscience and Remote Sensing article [pdf]

Motyka, R.J., M. Truffer, M. Fahnestock, J. Mortensen, S. Rysgaard, and I. Howat, Submarine melting of the 1985 Jakobshavn Isbræ floating tongue and the triggering of the current retreat, Journal of Geophysical Research - Earth Surface, 16, F01007, doi:10.1029/2009JF001632 abstract | article [pdf]

2010

Mernild, S. H., I. M. Howat, Y. Ahn, G. E. Liston, K. Steffen, B. H. Jakobsen, B. Hasholt, B. Fog, and D. van As, Freshwater flux to Sermilik Fjord, SE Greenland, The Cryosphere, 4, 467-474, doi:10.5194/tc-4-467-2010 abstract | article [pdf]

Howat, I.M., J.E. Box, Y. Ahn, A. Herrington and E.M. McFadden, Seasonal variablity in the dynamics of marine-terminating outlet glaciers in Greenland, Journal of Glaciology, 56, 198, 601-613. article [pdf]

Khan, S. A., L. Liu, J. Wahr, I. Howat, I. Joughin, T. van Dam and K. Fleming, GPS measurements of crustal uplift near Jakobshavn Isbræ due to glacial ice mass loss, Journal of Geophysical Research, 115, B09405, DOI:10.1029/2010JB007490 abstract | article [pdf]

Joughin, I., B.E. Smith, I.M. Howat, T. Scambos and T. Moon, Greenland flow variability from ice-sheet-wide velocity mapping, Journal of Glaciology, 56, 197, 416-430 article [pdf]

Bird, B.W., M. Kirby, I.M. Howat and S. Tulaczyk, Geophysical Evidence for Holocene Lake-Level Change in Southern California (Dry Lake), Boreas, 39, 1, DOI: 10.1111/j.1502-3885.2009.00114.x abstract | article [pdf]

2009

Nick, F.M., A .Vieli, I.M. Howat and I. Joughin, Large-scale changes in Greenland outlet glacier dynamics triggered at the terminus, Nature Geoscience, 2, 110-114, DOI: 10.1038/NGEO394, advanced online publication on January 11th, 2009. abstract | article [pdf]

Truffer, M., R.J. Motyka, M. Hekkers, I.M. Howat and M. King, Terminus dynamics at an advancing glacier: Taku Glacier, Alaska, Journal of Glaciology, 55, 194, 1052-1060 article [pdf]

2008

Joughin, I., I. M. Howat, M. Fahnestock, B. Smith, W. Krabill, R. Alley, H. Stern and M. Truffer, Continued evolution of Jakobshavn Isbræ following its rapid speedup, Journal of Geophysical Research, 113, F04006, doi:10.1029/2008JF001023 abstract | article [pdf]

Howat, I. M., I. Joughin, M. Fahnestock, B. E. Smith and T. Scambos, Synchronous retreat and acceleration of southeast Greenland outlet glaciers 2000-2006; Ice dynamics and coupling to climate, Journal of Glaciology, 54, 187, 646-660 abstract | article [pdf]

Howat, I. M., B.E. Smith, I. Joughin and T.A. Scambos, Rates of southeast Greenland ice volume loss from combined ICESAT and ASTER observations, Geophysical Research Letters, 35, L17505, doi:10.1029/2008GL034496 abstract | article [pdf] | auxiliary material

Howat, I. M., S. Tulaczyk, E. Waddington and H. Björnsson, Dynamic controls on glacier basal motion inferred from surface ice motion, Journal of Geophysical Research, 113, F03015, doi:10.1029/2007JF000925 abstract | article [pdf]

Joughin, I., S. B. Das, M. King, B. Smith, I. M. Howat and T. Moon, Seasonal Speedup along the western flank of the Greenland Ice Sheet, Science, 320, 5877, 781-783, doi:10.1126/science.1153288, advanced publication in Science Express on April 17th, 2008. abstract | article [pdf]

Das, S. B., I. Joughin, M. D. Behn, I. M. Howat, M. A. King, D. Lizarralde and M. P. Bhatia, Water-Driven Fracture Propagation to the Bed of the Greenland Ice Sheet During Supraglacial Lake Drainage, Science, 320, 5877, 778-781, doi:10.1126/science.1153360, advanced publication in Science Express on April 17th, 2008. abstract | article [pdf]

Joughin, I., I. M. Howat, R. Alley, G. Ekstrom, M. Fahnestock, T. Moon, M. Nettles, T. Truffer and V. Tsai., Ice front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland, Journal of Geophysical Research, 113, F01004, doi:10.1029/2007JF000837 abstract | article [pdf]

2007

Howat, I. M., I. Joughin and T. Scambos, Rapid changes in ice discharge from Greenland outlet glaciers, Science, 315, 1559, doi:10.1126/science.1138478, advanced publication in Science Express on February 8, 2007. abstract | article [pdf]

Howat, I. M., S. Tulaczyk, P. Rhodes, K. Israel and M. Snyder, A precipitation-dominated, mid-latitude glacier system: Mount Shasta, California, Climate Dynamics, 28, 1, 85-98, doi:10.1007/s00382-006-0178-9 abstract | article [pdf]

2005

Howat, I. M. and S. Tulaczyk, Trends in spring snowpack over a half-century of climate warming in California, USA, Annals of Glaciology, 40 , 151-156 abstract | article [pdf]

Howat, I. M. and S. Tulaczyk, Climate sensitivity of spring snowpack in the Sierra Nevada, Journal of Geophysical Research, 110, F4, doi:10.1029/2005JF000356 abstract | article [pdf]

Howat, I. M., I. Joughin, S. Tulaczyk and S. Gogineni, Rapid retreat and acceleration of Helheim Glacier, east Greenland, Geophysical Research Letters, 32, 22, doi:10.1029/2005GL024737 abstract | article [pdf]

2003

Howat, I. M. and E. W. Domack, Reconstructions of western Ross Sea palaeo-ice-stream grounding zones from high-resolution acoustic stratigraphy, Boreas, 32, 1, 56-75, doi:10.1080/03009480310001038 abstract | article [pdf]


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