Publications

Benjamin H. Hills, Matthew R. Siegfried, Dustin M. Schroeder (2024). Entrained Water in Basal Ice Suppresses Radar Bed‐Echo Power at Active Subglacial Lakes. Geophysical Research Letters.

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Bryony Freer, Oliver Marsh, Helen A. Fricker, Anna Hogg, Matthew R. Siegfried, Dana Floricioiu, Wilson Sauthoff, Richard Rigby, Sally Wilson (2024). Coincident Lake Drainage and Grounding Line Retreat at Engelhardt Subglacial Lake, West Antarctica. Journal of Geophysical Research: Earth Surface.

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Brad E. Rosenheim$^\dagger$, Alexander B. Michaud$^\dagger$, James Broda, Alan Gagnon, Ryan A. Venturelli, Timothy D. Campbell, Amy Leventer, Molly O. Patterson, Matthew R. Siegfried, Brent C. Christner, Dennis Duling, David M. Harwood, John E. Dore, Martyn Tranter, Mark L. Skidmore, John C. Priscu, the SALSA Science Team (2023). A method for successful collection of multicores and gravity cores from Antarctic subglacial lakes. Limnology and Oceanography: Methods.

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Elena Savidge, Tasha Snow, Matthew R. Siegfried, Yixi Zheng, Ana B. Villas Boas, Guilherme A. Bortolotto, Lars Boehme, Karen E. Alley (2023). Wintertime Polynya Structure and Variability From Thermal Remote Sensing and Seal-Borne Observations at Pine Island Glacier, West Antarctica. IEEE Transactions on Geoscience and Remote Sensing.

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Matthew R. Siegfried$^\dagger$, Ryan A. Venturelli$^\dagger$, Molly O. Patterson, William Arnuk, Timothy D. Campbell, Chloe D. Gustafson, Alexander B. Michaud, Benjamin K. Galton-Fenzi, Mark B. Hausner, Stephanie N. Holzschuh, Bruce Huber, Kenneth D. Mankoff, Dustin M. Schroeder, Paul Summers, Scott Tyler, Sasha P. Carter, Helen A. Fricker, David M. Harwood, Amy Leventer, Brad E. Rosenheim, Mark L. Skidmore, John C. Priscu, the SALSA Science Team (2023). The life and death of a subglacial lake in West Antarctica. Geology.

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Aaron G. Stubblefield, Colin R. Meyer, Matthew R. Siegfried, Wilson Sauthoff, Marc Spiegelman (2023). Reconstructing subglacial lake activity with an altimetry-based inverse method. Journal of Glaciology.

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Elena Savidge, Tasha Snow, Matthew R. Siegfried (2023). Multi-decadal Record of Sensible-Heat Polynya Variability from Satellite Optical and Thermal Imagery at Pine Island Glacier, West Antarctica. Geophysical Research Letters.

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Alexander Robel, Shi Sim, Colin R. Meyer, Matthew R. Siegfried, Chloe D. Gustafson (2023). Contemporary ice sheet thinning drives subglacial groundwater exfiltration with potential feedbacks on glacier flow. Science Advances.

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Ryan A. Venturelli, Brenna Boehman, Christina Davis, Jon R. Hawkings, Sarah Ellen Johnston, Chloe D. Gustafson, Alexander B. Michaud, Cyrille Mosbeux, Matthew R. Siegfried, Trista J. Vick-Majors, Valier Galy, Robert G. M. Spencer, Sophie Warny, Brent C. Christner, Helen A. Fricker, David M. Harwood, Amy Leventer, John C. Priscu, Brad E. Rosenheim, the SALSA Science Team (2023). Constraints on the Timing and Extent of Deglacial Grounding Line Retreat in West Antarctica. AGU Advances.

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Christina Davis, Ryan A. Venturelli, Alexander Michaud, Jon Hawkings, Amanda Achberger, Trista Vick-Majors, Brad Rosenheim, John Dore, August Steigmeyer, Mark Skidmore, Joel Barker, Liane Benning, Matthew R. Siegfried, John Priscu (2023). Biogeochemical and historical drivers of microbial community composition and structure in sediments from Mercer Subglacial Lake, West Antarctica. ISME Communications.

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Tasha Snow, Weifeng Zhang, Erika Schreiber, Matthew R. Siegfried, Waleed Abdalati, Ted Scambos (2023). Alongshore Winds Force Warm Atlantic Water Toward Helheim Glacier in Southeast Greenland. Journal of Geophysical Research: Oceans.

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Chloe D. Gustafson, Kerry Key, Matthew R. Siegfried, J. Paul Winberry, Helen A. Fricker, Ryan A. Venturelli, Alexander B. Michaud (2022). A dynamic saline groundwater system mapped beneath an Antarctic ice stream. Science.

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Nicole L. Bienert, Dustin M. Schroeder, Sean T. Peters, Emma J. MacKie, Eliza J. Dawson, Matthew R. Siegfried, Rohan Sanda, Poul Christoffersen (2022). Post-Processing Synchronized Bistatic Radar for Long Offset Glacier Sounding. IEEE Transactions on Geoscience and Remote Sensing.

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Stephen J. Livingstone, Yan Li, Anja Rutishauser, Rebecca J. Sanderson, Kate Winter, Jill Mikucki, Helgi Björnsson, Jade S. Bowling, Winnie Chu, Christine Dow, Helen A Fricker, Malcolm McMillan, Felix Ng, Neil Ross, Martin J. Siegert, Matthew R Siegfried, Andrew J Sole (2022). Global synthesis of subglacial lakes and their changing role in a warming climate. Nature Reviews Earth & Environment.

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Joseph MacGregor, Linette Boisvert, Brooke Medley, Alek Petty, Jeremy Harbeck, Robin Bell, Bryan Blair, Edward Blanchard-Wrigglesworth, Ellen Buckley, Michael Christoffersen, James Cochran, Beata Csatho, Eugenia De Marco, Roseanna Dominguez, Mark Fahnestock, Sinead Farrell, Siva Prasad Gogineni, Jamin Greenbaum, Christy Hansen, Michelle Hofton, John Holt, Kenneth Jezek, Lora Koening, Nathan Kurtz, Ron Kwok, Christopher Larsen, Carl Leuschen, Serdar Manizade, Seelye Martin, Thomas Neumann, Sophie Nowicki, John Paden, Jacqueline Richter-Menge, Eric Rignot, Fernando Rodríguez-Morales, Matthew R. Siegfried, Benjamin Smith, John Sonntag, Michael Studinger, Kirsteen Tinto, Martin Truffer, Thomas Wagner, John Woods, Duncan Young, James Yungel (2021). The scientific legacy of NASA's Operation IceBridge. Reviews of Geophysics.

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Aaron G. Stubblefield, Timothy T Creyts, Jonathan Kingslake, Matthew R. Siegfried, Marc Spiegelman (2021). Surface expression and apparent timing of subglacial lake oscillations controlled by viscous ice flow. Geophysical Research Letters.

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John C. Priscu, Jonas Kalin, John Winans, Timothy Campbell, Matthew R. Siegfried, Mark Skidmore, John E. Dore, Amy Leventer, David Harwood, Dennis Duling, Robert Zook, Justin Burnett, Dar Gibson, Edward Krula, Anatoly Mironov, Jim McManis, Graham Roberts, Brad E. Rosenheim, Brent C. Christner, Kathy Kasic, Helen A. Fricker, W. Berry Lyons, Joel Barker, Mark Bowling, Billy Collins, Christina Davis, Al Gagnon, Christopher Gardner, Chloe Gustafson, Ok-Sun Kim, Wei Li, Alexander B. Michaud, Molly Patterson, Martyn Tranter, Ryan Venturelli, Trista Vick-Majors, Cooper Elsworth (2021). Scientific Access into Mercer Subglacial Lake: Scientific Objectives, Drilling Operations and Initial Observations. Annals of Glaciology.

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Roger J. Michaelides, Marnie Bryant, Matthew R. Siegfried, Adrian A. Borsa (2021). Quantifying surface-height change over a periglacial environment with ICESat-2 laser altimetry. Earth and Space Science.

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C. G. Barcheck, E. E. Brodsky, P. M. Fulton, M. A. King, M. R. Siegfried, S. Tulaczyk (2021). Migratory earthquake precursors are dominant on an ice stream fault. Science Advances.

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Matthew R. Siegfried, Helen A. Fricker (2021). Illuminating active subglacial lake processes with ICESat-2 laser altimetry. Geophysical Research Letters.

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Huw J. Horgan, Laurine van Haastrecht, Richard B. Alley, Sridhar Anandakrishnan, Lucas H. Beem, Knut Christianson, Atsuhiro Muto, Matthew R. Siegfried (2021). Grounding zone subglacial properties from calibrated active-source seismic methods. The Cryosphere.

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Maya Becker, Susan Howard, Helen A. Fricker, Laurie Padman, Cyrille Mosbeux, Matthew R. Siegfried (2021). Buoyancy-driven flexure at the front of Ross Ice Shelf, Antarctica, observed by ICESat-2 satellite laser altimetry. Geophysical Research Letters.

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Susheel Adusumilli, Helen A. Fricker, Brooke Medley, Laurie Padman, Matthew R. Siegfried (2020). Ocean-driven melting of Antarctica’s ice shelves varies on multi-year timescales. Nature Geoscience.

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Ben Smith, Helen A Fricker, Alex S Gardner, Brooke Medley, Johan Nilsson, Fernando S Paolo, Nicholas Holschuh, Susheel Adusumilli, Kelly Brunt, Beata Castho, Kaitlin Harbeck, Thorsten Markus, Thomas Neumann, Matthew R. Siegfried, H. Jay Zwally (2020). Pervasive ice sheet mass loss reflects competing ocean and atmosphere processes. Science.

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Carolyn Begeman, Slawek Tulaczyk, Laurence Padman, Matt King, Matthew R. Siegfried, Timothy Hodson, Helen A. Fricker (2020). Tidal pressurization of the ocean cavity near an Antarctic ice shelf grounding line. Journal of Geophysical Research – Oceans.

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E. J. MacKie, D. M. Schroeder, J. Caers, M. R. Siegfried, C. Schheidt (2020). Antarctic topographic realizations and geostatistical modeling used to map subglacial lakes. Journal of Geophysical Research – Earth Surface.

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Tom Jordan, Dustin Schroeder, Cooper Elsworth, Matthew R. Siegfried (2020). Estimation of ice fabric within Whillans Ice Stream using polarimetric phase-sensitive radar sounding. Annals of Glaciology.

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Indrani Das, Laurie Padman, Robin E. Bell, Helen A. Fricker, Kirsty J. Tinto, Christina L. Hulbe, Christine S. Siddoway, Tejendra Dhakal, Nicholas P. Frearson, Cyrille Mosbeux, S. Isabel Cordero, Matthew 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.

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Cooper Elsworth, Dustin M. Schroeder, Matthew R. Siegfried (2020). Interpreting englacial layer deformation in the presence of complex ice flow history with synthetic radargrams. Annals of Glaciology.

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Ryan A Venturelli, Matthew R Siegfried, Kim Roush, Wei Li, Justin Burnett, Robert Zook, Helen A Fricker, John Priscu, Amy Leventer, Brad Rosenheim (2020). Mid-Holocene grounding line variability in the southern Ross Embayment. Geophysical Research Letters.

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Jon R. Hawkings, Mark L. Skidmore, Jemma L. Wadham, John C. Priscu, Peter L. Morton, Jade E. Hatton, Christopher B. Gardner, Tyler J. Kohler, Marek Stibal, Elizabeth A. Bagshaw, August Steigmeyer, Joel Barker, John E. Dore, W. Berry Lyons, Martyn Tranter, Robert G. M. Spencer, the SALSA Science Team (incl. \textbfM. R. Siegfried) (2020). Enhanced trace element mobilization by Earth's ice sheets. Proceedings of the National Academy of Sciences.

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Dustin M. Schroeder, Julian A. Dowdeswell, Martin J. Siegert, Robert G. Bingham, Winnie Chu, Emma J. MacKie, Matthew R. Siegfried, Katherine I. Vega, John R. Emmons, Keith Winstein (2019). Multidecadal observations of the Antarctic ice sheet from restored analog radar records. Proceedings of the National Academy of Sciences.

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Benjamin E Smith, Nicholas Holschuh, Alex S Gardner, Susheel Adusumili, Kelly M Brunt, Beata Csatho, Helen A Fricker, Kaitlin Harbeck, Alex Huth, Thomas Neumann, Johan Nilsson, Matthew R Siegfried (2019). Land ice height-retrieval algorithm for NASA's ICESat-2 photon-counting laser altimeter. Remote Sensing of Environment.

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Kirsteen Tinto, Laurence Padman, Christine Siddoway, Scott Springer, Helen A. Fricker, Indrani Das, Fabio Caratori Tontini, David Porter, Nicholas Frearson, Susan Howard, Matthew R. Siegfried, et al. (2019). Ross Ice Shelf response to climate driven by the tectonic imprint on seafloor bathymetry. Nature Geoscience.

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Winnie Chu, Dustin M. Schroeder, Matthew R. Siegfried (2018). Retrieval of Englacial Firn Aquifer Thickness from Ice-Penetrating Radar Sounding in Southeast Greenland. Geophysical Research Letters.

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Carolyn M. Begeman, Slawek M. Tulaczyk, Oliver J. Marsh, Jill A. Mikucki, Timothy P. Stanton, Timothy O. Hodson, Matthew R. Siegfried, Ross D. Powell, Knut Christianson, Matt A. King (2018). Ocean stratification and low melt rates at the Ross Ice Shelf grounding zone. Journal of Geophysical Research – Oceans.

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Matthew R. Siegfried, Helen A. Fricker (2018). Thirteen years of subglacial lake activity in Antarctica from multi-mission altimetry. Annals of Glaciology.

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Susheel Adusumilli, Helen A. Fricker, Matthew R. Siegfried, Laurence Padman, Fernando Paolo, Stefan Ligtenberg (2018). Variable basal melt rates of Antarctic Peninsula ice shelves, 1994–2016. Geophysical Research Letters.

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Fernando S. Paolo, Laurence Padman, Helen A. Fricker, Susheel Adusumilli, Susan Howard, Matthew R. Siegfried (2018). Response of Pacific-sector Antarctic ice shelves to the El Niño / Southern Oscillation. Nature Geoscience.

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Laurie Padman, Matthew R. Siegfried, Helen A. Fricker (2018). Ocean tide influences on ice sheet processes. Reviews of Geophysics.

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Sasha P Carter, Helen A Fricker, Matthew R Siegfried (2017). Antarctic subglacial lakes drain through sediment-floored canals: Theory and model testing on real and idealized domains. The Cryo­sphere.

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Key Kerry, Matthew R. Siegfried (2017). The feasibility of ground-based electromagnetic methods for mapping the subglacial hydrological structure beneath ice streams. Journal of Glaciology.

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Matthew R. Siegfried, Brooke Medley, Kristine Larson, Helen A. Fricker, Slawek Tulaczyk (2017). Snow accumulation variability on a West Antarctic ice stream observed with GPS reflectometry, 2007--2017. Geophysical Research Letters.

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Anders Damsgaard, Jenny Suckale, Jan Piotrowski, Morgane Houssais, Matthew R. Siegfried, Helen A. Fricker (2017). Sediment behavior controls equilibrium width of subglacial channels. Journal of Glaciology.

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T. A. Scambos, Robin E Bell, Andy M Smith, David G Vaughan, Richard B Alley, Sridhar Anandakrishnan, David H. Bromwich, Kelly M. Brunt, Knut Christianson, Timothy T Creyts, Sarah B. Das, Robert DeConto, Pierre Dutrieux, Helen A. Fricker, David Holland, Joseph MacGregor, Brooke Medley, David Pollard, Matthew R Siegfried, Eric J. Steig, Patricia 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.

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Amanda M Achberger, Brent C Christner, Alexander B Michaud, John C Priscu, Mark L Skidmore, Trista J Vick-Majors, the WISSARD Science Team (incl. M. R. Siegfried) (2016). Microbial Community Structure of Subglacial Lake Whillans, West Antarctica. Frontiers in Microbiology.

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K. E. Alley, T. A. Scambos, M. R. Siegfried, H. A.w Fricker (2016). Impacts of warm water on Antarctic ice shelf stability through basal channel formation. Nature Geoscience.

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Trista J Vick-Majors, Andrew C Mitchell, Amanda M Achberger, Brent C Christner, John E Dore, Alexander B Michaud, Jill A Mikucki, Alicia M Purcell, Mark L Skidmore, John C Priscu, the WISSARD Science Team (2016). Physiological ecology of microorganisms in Subglacial Lake Whillans. Frontiers in Microbiology.

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TO Hodson, RD Powell, SA Brachfeld, S Tulaczyk, RP Scherer, the WISSARD Science Team (incl. \textbfM. R. Siegfried) (2016). Physical processes in Subglacial Lake Whillans, West Antarctica: inferences from sediment cores. Earth and Planetary Science Letters.

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Anders Damsgaard, David L. Eghold, Lucas H. Beem, Slawek Tulaczyk, Nicolaj K. Larsen, Jan A. Piotrowski, Matthew R. Siegfried (2016). Ice flow dynamics forced by rapid water-pressure variations in subglacial granular beds. Geophysical Research Letters.

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Oliver J. Marsh, Helen A. Fricker, Matthew R. Siegfried, Knut Christianson, Keith W. Nicholls, Hugh F. J. Corr, Ginny Catania (2016). High basal melting forming a channel at the grounding line of Ross Ice Shelf, Antarctica. Geophysical Research Letters.

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M. R. Siegfried, H. A. Fricker, S. P. Carter, S. Tulaczyk (2016). Episodic ice velocity fluctuations triggered by a subglacial flood in West Antarctica. Geophysical Research Letters.

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A. T. Fisher, K. D. Mankoff, S. M. Tulaczyk, S. W. Tyler, N. Foley, the WISSARD Science Team (incl. M. R. Siegfried (2015). High geothermal heat flux measured below the West Antarctic Ice Sheet. Science Advances.

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J. Mikucki, 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. Coenen, R. Powell, R. P. Scherer, T. Vick-Majors, A. M. Achberger, B. C. Christner, M. Tranter (2015). Subglacial Lake Whillans biogeochemistry: a synthesis of current knowledge. Philosophical Transactions of the Royal Society A.

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Helen A. Fricker, Matthew R. Siegfried, Sasha P. Carter, Ted A Scambos (2015). A decade of progress in observing and modeling Antarctic subglacial water systems. Philosophical Transactions of the Royal Society A.

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Brent C. Christner, John C. Priscu, Amanda M. Achberger, Carlo Barbante, Sasha P. Carter, Knut Christianson, Alexander B. Michaud, Jill A. Mikucki, Andrew C. Mitchell, Mark L. Skidmore, Trista J. Vick-Majors, the WISSARD Science Team (2014). A microbial ecosystem beneath the West Antarctic ice sheet. Nature.

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Slawek Tulaczyk, Jill A Mikucki, Matthew R Siegfried, John C Priscu, C Grace Barcheck, Lucas H Beem, Alberto Behar, Justin Burnett, Brent C Christner, Andrew T Fisher, Fricker Helen A., Kenneth D. Mankoff, Ross D Powell, Frank Rack, Daniel Sampson, Reed P. Scherer, Susan Y. Schwartz, the WISSARD Science Team (2014). WISSARD at Subglacial Lake Whillans, West Antarctica: scientific operations and initial observations. Annals of Glaciology.

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Tom O Holt, Neil F Glasser, Helen A Fricker, Laurie Padman, Adrian Luckman, Owen King, Duncan J Quincey, Matthew R Siegfried (2014). The structural and dynamic responses of Stange Ice Shelf to recent environmental change. Antarctic Science.

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Alicia M Purcell, Jill A Mikucki, Amanda M Achberger, Irina A Alekhina, Carlo Barbante, Brent C Christner, Dhritiman Ghosh, Alexander B Michaud, Andrew C Mitchell, John C Priscu, Reed Scherer, Mark L Skidmore, Trista J Vick-Majors, the WISSARD Science Team (2014). Microbial sulfur transformations in sediments from Subglacial Lake Whillans. Frontiers in Microbiology.

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Matthew R Siegfried, Helen A Fricker, Mackenzie Roberts, Ted A Scambos, Slawek Tulaczyk (2014). A decade of West Antarctic subglacial lake interactions from combined ICESat and CryoSat-2 altimetry. Geophysical Research Letters.

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Sasha P Carter, Helen A Fricker, Matthew R Siegfried (2013). Evidence of rapid subglacial water piracy under Whillans Ice Stream, West Antarctica. Journal of Glaciology.

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John C. Priscu, Amanda M. Achberger, Joel E. Cahoon, Brent C. Christner, Robert L. Edwards, Warren L. Jones, Alexander B. Michaud, Matthew R. Siegfried, Mark L. Skidmore, Robert H. Spigel, Gregg W. Switzer, Slawek Tulaczyk, Trista J. Vick-Majors (2013). A microbiologically clean strategy for access to the Whillans Ice Stream subglacial environment. Antarctic Science.

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Tom O. Holt, Neil F. Glasser, Duncan J. Quincey, Matthew R. Siegfried (2013). Speedup and fracturing of George VI Ice Shelf, Antarctic Peninsula. The Cryosphere.

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Huw J Horgan, Richard B Alley, Knut Christianson, Robert W Jacobel, Sridhar Anandakrishnan, Atsuhiro Muto, Lucas H Beem, Matthew R Siegfried (2013). Estuaries beneath ice sheets. Geology.

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Vivien F Taylor, Brian P Jackson, Matthew R Siegfried, Jana Navratilova, Kevin A Frances­coni, Julie Kirshtein, Mary Voytek (2012). Arsenic speciation in food chains from mid-Atlantic hydrothermal vents. Environmental Chemistry.

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Matthew Ross Siegfried, Robert L. Hawley, John 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.

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