Matthew R. Siegfried

Latest

• Biogeochemical and historical drivers of microbial community composition and structure in sediments from Mercer Subglacial Lake, West Antarctica
• A dynamic saline groundwater system mapped beneath an Antarctic ice stream
• Post-Processing Synchronized Bistatic Radar for Long Offset Glacier Sounding
• Buoyancy-driven flexure at the front of Ross Ice Shelf, Antarctica, observed by ICESat-2 satellite laser altimetry
• Grounding zone subglacial properties from calibrated active-source seismic methods
• Illuminating active subglacial lake processes with ICESat-2 laser altimetry
• Quantifying surface-height change over a periglacial environment with ICESat-2 laser altimetry
• Scientific Access into Mercer Subglacial Lake: Scientific Objectives, Drilling Operations and Initial Observations
• Surface expression and apparent timing of subglacial lake oscillations controlled by viscous ice flow
• The scientific legacy of NASA's Operation IceBridge
• Ocean-driven melting of Antarctica’s ice shelves varies on multi-year timescales
• Pervasive ice sheet mass loss reflects competing ocean and atmosphere processes
• Tidal pressurization of the ocean cavity near an Antarctic ice shelf grounding line
• Estimation of ice fabric within Whillans Ice Stream using polarimetric phase-sensitive radar sounding
• Multidecadal Basal Melt Rates and Structure of the Ross Ice Shelf, Antarctica, Using Airborne Ice Penetrating Radar
• Interpreting englacial layer deformation in the presence of complex ice flow history with synthetic radargrams
• Multidecadal observations of the Antarctic ice sheet from restored analog radar records
• Ross Ice Shelf response to climate driven by the tectonic imprint on seafloor bathymetry
• Retrieval of Englacial Firn Aquifer Thickness from Ice-Penetrating Radar Sounding in Southeast Greenland
• Ocean stratification and low melt rates at the Ross Ice Shelf grounding zone
• Thirteen years of subglacial lake activity in Antarctica from multi-mission altimetry
• Variable basal melt rates of Antarctic Peninsula ice shelves, 1994–2016
• Ocean tide influences on ice sheet processes
• Response of Pacific-sector Antarctic ice shelves to the El Niño / Southern Oscillation
• Sediment behavior controls equilibrium width of subglacial channels
• Snow accumulation variability on a West Antarctic ice stream observed with GPS reflectometry, 2007--2017
• The feasibility of ground-based electromagnetic methods for mapping the subglacial hydrological structure beneath ice streams
• High basal melting forming a channel at the grounding line of Ross Ice Shelf, Antarctica
• Ice flow dynamics forced by rapid water-pressure variations in subglacial granular beds
• A decade of progress in observing and modeling Antarctic subglacial water systems
• A microbiologically clean strategy for access to the Whillans Ice Stream subglacial environment
• Speedup and fracturing of George VI Ice Shelf, Antarctic Peninsula