Search Results - "Morlighem, M."
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Widespread, rapid grounding line retreat of Pine Island, Thwaites, Smith, and Kohler glaciers, West Antarctica, from 1992 to 2011
Published in Geophysical research letters (28-05-2014)“…We measure the grounding line retreat of glaciers draining the Amundsen Sea sector of West Antarctica using Earth Remote Sensing (ERS‐1/2) satellite radar…”
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Continental scale, high order, high spatial resolution, ice sheet modeling using the Ice Sheet System Model (ISSM)
Published in Journal of Geophysical Research: Earth Surface (01-03-2012)“…Ice flow models used to project the mass balance of ice sheets in Greenland and Antarctica usually rely on the Shallow Ice Approximation (SIA) and the…”
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3
Continued retreat of Thwaites Glacier, West Antarctica, controlled by bed topography and ocean circulation
Published in Geophysical research letters (28-06-2017)“…Abstract The Amundsen Sea sector is experiencing the largest mass loss, glacier acceleration, and grounding line retreat in Antarctica. Enhanced intrusion of…”
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Deeply incised submarine glacial valleys beneath the Greenland ice sheet
Published in Nature geoscience (01-06-2014)“…The bed topography beneath the Greenland ice sheet controls the flow of ice and its discharge into the ocean. A combination of sparse radar soundings of ice…”
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Fast retreat of Zachariæ Isstrøm, northeast Greenland
Published in Science (American Association for the Advancement of Science) (11-12-2015)“…After 8 years of decay of its ice shelf, Zachariæ Isstrøm, a major glacier of northeast Greenland that holds a 0.5-meter sea-level rise equivalent, entered a…”
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Limited Impact of Thwaites Ice Shelf on Future Ice Loss From Antarctica
Published in Geophysical research letters (16-06-2023)“…Thwaites Ice Shelf (TWIS), the floating extension of Thwaites Glacier, West Antarctica, is changing rapidly and may completely disintegrate in the near future…”
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Slowdown in Antarctic mass loss from solid Earth and sea-level feedbacks
Published in Science (American Association for the Advancement of Science) (07-06-2019)“…Geodetic investigations of crustal motions in the Amundsen Sea sector of West Antarctica and models of ice-sheet evolution in the past 10,000 years have…”
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Ocean‐Induced Melt Triggers Glacier Retreat in Northwest Greenland
Published in Geophysical research letters (28-08-2018)“…In recent decades, tidewater glaciers in Northwest Greenland contributed significantly to sea level rise but exhibited a complex spatial pattern of retreat…”
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Modeling of Store Gletscher's calving dynamics, West Greenland, in response to ocean thermal forcing
Published in Geophysical research letters (28-03-2016)“…Glacier‐front dynamics is an important control on Greenland's ice mass balance. Warmer ocean waters trigger ice‐front retreats of marine‐terminating glaciers,…”
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Modeling a Century of Change: Kangerlussuaq Glacier's Mass Loss From 1933 to 2021
Published in Geophysical research letters (28-02-2024)“…Kangerlussuaq Glacier (KG) is a major contributor to central‐eastern Greenland mass loss, but existing estimates of its mass balance over the last century are…”
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Substantial export of suspended sediment to the global oceans from glacial erosion in Greenland
Published in Nature geoscience (01-11-2017)“…Limited measurements along Greenland’s remote coastline hamper quantification of the sediment and associated nutrients draining the Greenland ice sheet,…”
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Modeling the Response of Nioghalvfjerdsfjorden and Zachariae Isstrøm Glaciers, Greenland, to Ocean Forcing Over the Next Century
Published in Geophysical research letters (16-11-2017)“…Recent studies have shown that the Northeast Greenland Ice Sheet region has been undergoing significant acceleration and dynamic thinning since 2010, and these…”
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Velocity of Greenland's Helheim Glacier Controlled Both by Terminus Effects and Subglacial Hydrology With Distinct Realms of Influence
Published in Geophysical research letters (16-08-2024)“…Two outstanding questions for the future of the Greenland Ice Sheet are (a) how enhanced meltwater draining beneath the ice will impact the behavior of large…”
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Grounding line retreat of Pope, Smith, and Kohler Glaciers, West Antarctica, measured with Sentinel‐1a radar interferometry data
Published in Geophysical research letters (28-08-2016)“…We employ Sentinel‐1a C band satellite radar interferometry data in Terrain Observation with Progressive Scans mode to map the grounding line and ice velocity…”
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BedMachine v3: Complete Bed Topography and Ocean Bathymetry Mapping of Greenland From Multibeam Echo Sounding Combined With Mass Conservation
Published in Geophysical research letters (16-11-2017)“…Greenland's bed topography is a primary control on ice flow, grounding line migration, calving dynamics, and subglacial drainage. Moreover, fjord bathymetry…”
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Spatial patterns of basal drag inferred using control methods from a full-Stokes and simpler models for Pine Island Glacier, West Antarctica
Published in Geophysical research letters (01-07-2010)“…Basal drag is a fundamental control on ice stream dynamics that remains poorly understood or constrained by observations. Here, we apply control methods on ice…”
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Modeling of ocean‐induced ice melt rates of five west Greenland glaciers over the past two decades
Published in Geophysical research letters (28-06-2016)“…High‐resolution, three‐dimensional simulations from the Massachusetts Institute of Technology general circulation model ocean model are used to calculate the…”
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A mass conservation approach for mapping glacier ice thickness
Published in Geophysical research letters (01-10-2011)“…The traditional method for interpolating ice thickness data from airborne radar sounding surveys onto regular grids is to employ geostatistical techniques such…”
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Vulnerability of Southeast Greenland Glaciers to Warm Atlantic Water From Operation IceBridge and Ocean Melting Greenland Data
Published in Geophysical research letters (28-03-2018)“…We employ National Aeronautics and Space Administration (NASA)'s Operation IceBridge high‐resolution airborne gravity from 2016, NASA's Ocean Melting Greenland…”
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Geometric Controls on Tidewater Glacier Retreat in Central Western Greenland
Published in Journal of geophysical research. Earth surface (01-08-2018)“…Glacier terminus changes are one of the hallmarks of worldwide glacier change, and thus, there is significant focus on the controls and limits to retreat in…”
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