Publications

Peer-Reviewed Articles

2020
  • Smith, B., H. A. Fricker, A. S. Gardner, B. Medley, J. Nilsson, F. S. Paolo, N. Holschuh, S. Adusumilli, K. Brunt, B. Castho, K. Harbeck, T. Markus, T. Neumann, M. R. Siegfried and H. J. Zwally, 2020. Pervasive ice sheet mass loss reflects competing ocean and atmosphere processes, Science, in press, doi:10.1126/science.aaz5845.
  • Elsworth, C., D. M. Schroeder and M. R. Siegfried, 2020. Interpreting englacial layer deformation in the presence of complex ice flow history with synthetic radargrams, Annals of Glaciology, in press, doi:10.1017/aog.2019.41.
  • Jordan, T., D. Schroeder, C. Elsworth and M. R. Siegfried, 2020. Estimation of ice fabric within Whillans Ice Stream using polarimetric phase-sensitive radar sounding, Annals of Glaciology, in press, doi:10.1017/aog.2020.6.
  • Begeman, C., S. Tulaczyk, L. Padman, M. King, M. R. Siegfried, T. Hodson and H. A. Fricker, 2020. Tidal pressurization of the ocean cavity near an Antarctic ice shelf grounding line, Journal of Geophysical Research – Oceans, 125(4), doi: 10.1029/2019JC015562.
  • Das, I., L. Padman, R. E. Bell, H. A. Fricker, K. J. Tinto, C. L. Hulbe, C. S. Siddoway, T. Dhakal, N. P. Frearson, C. Mosbeux, S. I. Cordero and M. R. Siegfried, 2020. Multidecadal Basal Melt Rates and Structure of the Ross Ice Shelf, Antarctica, Using Airborne Ice Penetrating Radar, Journal of Geophysical Research – Earth Surface, 125(3), doi:10.1029/2019JF005241.

  • MacKie, E. J., D. M. Schroeder, J. Caers, M. R. Siegfried and C. Schheidt, 2020. Antarctic topographic realizations and geostatistical modeling used to map subglacial lakes, Journal of Geophysical Research – Earth Surface, 125(3), doi: 10.1029/2019JF005420.

2019
  • Schroeder, D. M., J. A. Dowdeswell, M. J. Siegert, R. G. Bingham, W. Chu, E. J. MacKie, M. R. Siegfried, K. I. Vega, J. R. Emmons and K. Winstein, 2019. Multidecadal observations of the Antarctic ice sheet from restored analog radar records, Proceedings of the National Academy of Sciences, 116(38), 18867–18873, doi:10.1073/pnas.1821646116.
  • Smith, B. E., N. Holschuh, A. S. Gardner, S. Adusumili, K. M. Brunt, B. Csatho, H. A. Fricker, K. Harbeck, A. Huth, T. Neumann, J. Nilsson and M. R. Siegfried, 2019. Land ice height-retrieval algorithm for NASA’s ICESat-2 photon-counting laser altimeter, Remote Sensing of Environment, 233, 111352, doi:10.1016/j.rse.2019.111352.

  • Tinto, K., L. Padman, C. Siddoway, S. Springer, H. A. Fricker, I. Das, F. C. Tontini, D. Porter, N. Frearson, S. Howard, M. R. Siegfried and et al., 2019. Ross Ice Shelf response to climate driven by the tectonic imprint on seafloor bathymetry, Nature Geoscience, 12, 441–449, doi:10.1038/s41561-019-0370-2.

2018
  • Siegfried, M. R. and H. A. Fricker, 2018. Thirteen years of subglacial lake activity in Antarctica from multi-mission altimetry, Annals of Glaciology, 59(76), 42–55, doi:10.1017/aog.2017.36.

  • Chu, W., D. M. Schroeder and M. R. Siegfried, 2018. Retrieval of Englacial Firn Aquifer Thickness from Ice-Penetrating Radar Sounding in Southeast Greenland, Geophysical Research Letters, 45(21), 11,770–11,778, doi:10.1029/2018GL079751.

  • Begeman, C. M., S. M. Tulaczyk, O. J. Marsh, J. A. Mikucki, T. P. Stanton, T. O. Hodson, M. R. Siegfried, R. D. Powell, K. Christianson and M. A. King, 2018. Ocean stratification and low melt rates at the Ross Ice Shelf ground- ing zone, Journal of Geophysical Research – Oceans, 123(10), 7438–7452, doi: 10.1029/2018JC013987.

  • Adusumilli, S., H. A. Fricker, M. R. Siegfried, L. Padman, F. Paolo and S. Ligten- berg, 2018. Variable basal melt rates of Antarctic Peninsula ice shelves, 1994–2016, Geophysical Research Letters, 45(9), 4086–4095, doi:10.1002/2017GL076652.

  • Padman, L., M. R. Siegfried and H. A. Fricker, 2018. Ocean tide influences on ice sheet processes, Reviews of Geophysics, 56(1), 142–184, doi:10.1002/2016RG000546.

  • Paolo, F. S., L. Padman, H. A. Fricker, S. Adusumilli, S. Howard and M. R. Siegfried, 2018. Response of Pacific-sector Antarctic ice shelves to the El Niño/ Southern Oscillation, Nature Geoscience, 11, 121–126, doi:10.1038/s41561-017-0033-0.

2017
  • Siegfried, M. R., B. Medley, K. Larson, H. A. Fricker and S. Tulaczyk, 2017. Snow accumulation variability on a West Antarctic ice stream observed with GPS reflectometry, 2007–2017, Geophysical Research Letters, 44(15), 7808–7816, doi: 10.1002/2017GL074039.

  • Damsgaard, A., J. Suckale, J. Piotrowski, M. Houssais, M. R. Siegfried and H. A. Fricker, 2017. Sediment behavior controls equilibrium width of subglacial channels, Journal of Glaciology, 63(242), 1034–1048, doi:10.1017/jog.2017.71.

  • Kerry, K. and M. R. Siegfried, 2017. The feasibility of ground-based electro- magnetic methods for mapping the subglacial hydrological structure beneath ice streams, Journal of Glaciology, 63(241), 755–771, doi:10.1017/jog.2017.36.

  • Scambos, T. A., R. E. Bell, A. M. Smith, D. G. Vaughan, R. B. Alley, S. Anandakr- ishnan, D. H. Bromwich, K. M. Brunt, K. Christianson, T. T. Creyts, S. B. Das, R. DeConto, P. Dutrieux, H. A. Fricker, D. Holland, J. MacGregor, B. Medley, D. Pollard, M. R. Siegfried, E. J. Steig and P. Yager, 2017. How Much, How Fast? A Review and Science Plan for Research on the Instability of Antarctica’s Thwaites Glacier in the 21st Century, Global and Planetary Change, 153, 16–34, doi:10.1016/j.gloplacha.2017.04.008.

  • Carter, S. P., H. A. Fricker and M. R. Siegfried, 2017. Antarctic subglacial lakes drain through sediment-floored canals: Theory and model testing on real and ide- alized domains, The Cryosphere, 11, 381–405, doi:10.5194/tc-11-381-2017.

2016
  • Siegfried, M. R., H. A. Fricker, S. P. Carter and S. Tulaczyk, 2016. Episodic ice velocity fluctuations triggered by a subglacial flood in West Antarctica, Geophysical Research Letters, 43(6), 2640–2648, doi:10.1002/2016GL067758.

  • Alley, K. E., T. A. Scambos, M. R. Siegfried and H. A. Fricker, 2016. Impacts of warm water on Antarctic ice shelf stability through basal channel formation, Nature Geoscience, 9(4), 290–293, doi:10.1038/ngeo2675.

  • Achberger, A. M., B. C. Christner, A. B. Michaud, J. C. Priscu, M. L. Skidmore, T. J. Vick-Majors and the WISSARD Science Team (incl. M. R. Siegfried), 2016. Microbial Community Structure of Subglacial Lake Whillans, West Antarctica, Frontiers in Microbiology, 7, 1457, doi:10.3389/fmicb.2016.01457.

  • Damsgaard, A., D. L. Eghold, L. H. Beem, S. Tulaczyk, N. K. Larsen, J. A. Piotrowski and M. R. Siegfried, 2016. Ice flow dynamics forced by rapid water-pressure variations in subglacial granular beds, Geophysical Research Letters, 43(23), 165– 173, doi:10.1002/2016GL071579.

  • Hodson, T., R. Powell, S. Brachfeld, S. Tulaczyk, R. Scherer and the WISSARD Science Team (incl. M. R. Siegfried), 2016. Physical processes in Subglacial Lake Whillans, West Antarctica: inferences from sediment cores, Earth and Planetary Science Letters, 444, 56–63, doi:10.1016/j.epsl.2016.03.036.

  • Marsh, O. J., H. A. Fricker, M. R. Siegfried, K. Christianson, K. W. Nicholls, H. F. J. Corr and G. Catania, 2016. High basal melting forming a channel at the grounding line of Ross Ice Shelf, Antarctica, Geophysical Research Letters, 43(1), 250–255, doi:10.1002/2015gl066612.

  • Vick-Majors, T. J., A. C. Mitchell, A. M. Achberger, B. C. Christner, J. E. Dore, A. B. Michaud, J. A. Mikucki, A. M. Purcell, M. L. Skidmore, J. C. Priscu and the WISSARD Science Team (incl. M. R. Siegfried), 2016. Physiological ecology of microorganisms in Subglacial Lake Whillans, Frontiers in Microbiology, 7, 1705, doi:10.3389/fmicb.2016.01705.

2015
  • Fisher, A. T., K. D. Mankoff, S. M. Tulaczyk, S. W. Tyler, N. Foley and the WIS- SARD Science Team (incl. M. R. Siegfried), 2015. High geothermal heat flux measured below the West Antarctic Ice Sheet, Science Advances, 1(6), e1500093– e1500093, doi:10.1126/sciadv.1500093.

  • Fricker, H. A., M. R. Siegfried, S. P. Carter and T. A. Scambos, 2015. A decade of progress in observing and modeling Antarctic subglacial water systems, Philo- sophical Transactions of the Royal Society A, 374(2059), 20140294, doi:10.1098/rsta.2014.0294.

  • Mikucki, J., P. Lee, D. Ghosh, A. Purcell, A. Mitchell, K. Mankoff, A. T. Fisher, S. Tulaczyk, S. P. Carter, M. R. Siegfried, H. A. Fricker, T. Hodson, J. Co- enen, R. Powell, R. P. Scherer, T. Vick-Majors, A. M. Achberger, B. C. Christner and M. Tranter, 2015. Subglacial Lake Whillans biogeochemistry: a synthesis of current knowledge, Philosophical Transactions of the Royal Society A, 374(2059), 20140290, doi:10.1098/rsta.2014.0290.

2014
  • Siegfried, M. R., H. A. Fricker, M. Roberts, T. A. Scambos and S. Tulaczyk, 2014. A decade of West Antarctic subglacial lake interactions from combined ICESat and CryoSat-2 altimetry, Geophysical Research Letters, 41(3), 891–898, doi:10.1002/2013GL058616.

  • Christner, B. C., J. C. Priscu, A. M. Achberger, C. Barbante, S. P. Carter, K. Christianson, A. B. Michaud, J. A. Mikucki, A. C. Mitchell, M. L. Skidmore, T. J. Vick-Majors and the WISSARD Science Team (incl. M. R. Siegfried), 2014. A microbial ecosystem beneath the West Antarctic ice sheet, Nature, 512(7514), 310–313, doi:10.1038/nature13667.

  • Holt, T. O., N. F. Glasser, H. A. Fricker, L. Padman, A. Luckman, O. King, D. J. Quincey and M. R. Siegfried, 2014. The structural and dynamic responses of Stange Ice Shelf to recent environmental change, Antarctic Science, 26(06), 646– 660, doi:10.1017/S095410201400039X.

  • Purcell, A. M., J. A. Mikucki, A. M. Achberger, I. A. Alekhina, C. Barbante, B. C. Christner, D. Ghosh, A. B. Michaud, A. C. Mitchell, J. C. Priscu, R. Scherer, M. L. Skidmore, T. J. Vick-Majors and the WISSARD Science Team (incl. M. R. Siegfried), 2014. Microbial sulfur transformations in sediments from Subglacial Lake Whillans, Frontiers in Microbiology, 5, 594, doi:10.3389/fmicb.2014.00594.

  • Tulaczyk, S., J. A. Mikucki, M. R. Siegfried, J. C. Priscu, C. G. Barcheck, L. H. Beem, A. Behar, J. Burnett, B. C. Christner, A. T. Fisher, F. H. A., K. D. Mankoff, R. D. Powell, F. Rack, D. Sampson, R. P. Scherer, S. Y. Schwartz and the WIS- SARD Science Team, 2014. WISSARD at Subglacial Lake Whillans, West Antarctica: scientific operations and initial observations, Annals of Glaciology, 55(65), 51–58, doi:10.3189/2014AoG65A009.

2013
  • Carter, S. P., H. A. Fricker and M. R. Siegfried, 2013. Evidence of rapid subglacial water piracy under Whillans Ice Stream, West Antarctica, Journal of Glaciology, 59(218), 1147–1162, doi:10.3189/2013JoG13J085.

  • Holt, T. O., N. F. Glasser, D. J. Quincey and M. R. Siegfried, 2013. Speedup and fracturing of George VI Ice Shelf, Antarctic Peninsula, The Cryosphere, 7(3), 797–816, doi:10.5194/tc-7-797-2013.

  • Horgan, H. J., R. B. Alley, K. Christianson, R. W. Jacobel, S. Anandakrishnan, A. Muto, L. H. Beem and M. R. Siegfried, 2013. Estuaries beneath ice sheets, Geology, 41(11), 1159–1162, doi:10.1130/G34654.1.

  • Priscu, J. C., A. M. Achberger, J. E. Cahoon, B. C. Christner, R. L. Edwards, W. L. Jones, A. B. Michaud, M. R. Siegfried, M. L. Skidmore, R. H. Spigel and others, 2013. A microbiologically clean strategy for access to the Whillans Ice Stream subglacial environment, Antarctic Science, 25(05), 637–647, doi:10.1017/S0954102013000035.

2012
  • Taylor, V. F., B. P. Jackson, M. R. Siegfried, J. Navratilova, K. A. Frances- coni, J. Kirshtein and M. Voytek, 2012. Arsenic speciation in food chains from mid-Atlantic hydrothermal vents, Environmental Chemistry, 9(2), 130–138, doi:10.1071/EN11134.

2011
  • Siegfried, M. R., R. L. Hawley and J. F. Burkhart, 2011. High-Resolution Ground- Based GPS Measurements Show Intercampaign Bias in ICESat Elevation Data Near Summit, Greenland, IEEE Transactions on Geosciences and Remote Sensing, 49(10), 3393–3400, doi:10.1109/TGRS.2011.2127483.

Datasets

2019
  • Smith, B., H. A. Fricker, A. Gardner, M. R. Siegfried, S. Adusumilli, B. M. Csathó, N. Holschuh, J. Nilsson, F. S. Paolo, and the ICESat-2 Science Team, 2019. ATLAS/ICESat-2 L3A Land Ice Height, Version 1. Boulder, Colorado, USA, NSIDC: National Snow and Ice Data Center, doi:10.5067/ATLAS/ATL06.001.

Popular Press

2018

Conference abstracts

2018
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2013
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