Search Results - "Larour, Eric"

What drives 20th century polar motion? by Adhikari, Surendra, Caron, Lambert, Steinberger, Bernhard, Reager, John T., Kjeldsen, Kristian K., Marzeion, Ben, Larour, Eric, Ivins, Erik R.

“…Astrometric and geodetic measurements show that the mean position of Earth's spin axis drifted through the solid crust toward Labrador, Canada at an average…”
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The mechanisms behind Jakobshavn Isbræ's acceleration and mass loss: A 3‐D thermomechanical model study by Bondzio, Johannes H., Morlighem, Mathieu, Seroussi, Hélène, Kleiner, Thomas, Rückamp, Martin, Mouginot, Jeremie, Moon, Twila, Larour, Eric Y., Humbert, Angelika

“…Abstract The mechanisms causing widespread flow acceleration of Jakobshavn Isbræ, West Greenland, remain unclear despite an abundance of observations and…”
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Quantification of Surface Forcing Requirements for a Greenland Ice Sheet Model Using Uncertainty Analyses by Schlegel, Nicole‐Jeanne, Larour, Eric Y.

“…The Greenland Ice Sheet is a substantial reservoir of almost 7 m of sea level equivalent, and on average, climate dictates 60% of its sea level contribution…”
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Ice Sheet Model Intercomparison Project (ISMIP6) contribution to CMIP6 by Nowicki, Sophie M J, Payne, Tony, Larour, Eric, Seroussi, Helene, Goelzer, Heiko, Lipscomb, William, Gregory, Jonathan, Abe-Ouchi, Ayako, Shepherd, Andrew

“…Reducing the uncertainty in the past, present and future contribution of ice sheets to sea-level change requires a coordinated effort between the climate and…”
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Exploration of Antarctic Ice Sheet 100-year contribution to sea level rise and associated model uncertainties using the ISSM framework by Schlegel, Nicole-Jeanne, Seroussi, Helene, Schodlok, Michael P, Larour, Eric Y, Boening, Carmen, Limonadi, Daniel, Watkins, Michael M, Morlighem, Mathieu, van den Broeke, Michiel R

“…Estimating the future evolution of the Antarctic Ice Sheet (AIS) is critical for improving future sea level rise (SLR) projections. Numerical ice sheet models…”
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ISSM-SESAW v1.0: mesh-based computation of gravitationally consistent sea-level and geodetic signatures caused by cryosphere and climate driven mass change by Adhikari, Surendra, Ivins, Erik R, Larour, Eric

“…A classical Green's function approach for computing gravitationally consistent sea-level variations associated with mass redistribution on the earth's surface…”
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Modelling calving front dynamics using a level-set method: application to Jakobshavn Isbræ, West Greenland by Bondzio, Johannes H., Seroussi, Hélène, Morlighem, Mathieu, Kleiner, Thomas, Rückamp, Martin, Humbert, Angelika, Larour, Eric Y.

“…Calving is a major mechanism of ice discharge of the Antarctic and Greenland ice sheets, and a change in calving front position affects the entire stress…”
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The impact of model resolution on the simulated Holocene retreat of the southwestern Greenland ice sheet using the Ice Sheet System Model (ISSM) by Cuzzone, Joshua K, Schlegel, Nicole-Jeanne, Morlighem, Mathieu, Larour, Eric, Briner, Jason P, Seroussi, Helene, Caron, Lambert

“…Geologic archives constraining the variability of the Greenland ice sheet (GrIS) during the Holocene provide targets for ice sheet models to test sensitivities…”
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Implementation of higher-order vertical finite elements in ISSM v4.13 for improved ice sheet flow modeling over paleoclimate timescales by Cuzzone, Joshua K, Morlighem, Mathieu, Larour, Eric, Schlegel, Nicole, Seroussi, Helene

“…Paleoclimate proxies are being used in conjunction with ice sheet modeling experiments to determine how the Greenland ice sheet responded to past changes,…”
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Application of GRACE to the assessment of model-based estimates of monthly Greenland Ice Sheet mass balance (2003–2012) by Schlegel, Nicole-Jeanne, Wiese, David N., Larour, Eric Y., Watkins, Michael M., Box, Jason E., Fettweis, Xavier, van den Broeke, Michiel R.

“…Quantifying the Greenland Ice Sheet's future contribution to sea level rise is a challenging task that requires accurate estimates of ice sheet sensitivity to…”
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Simulating ice thickness and velocity evolution of Upernavik Isstrøm 1849–2012 by forcing prescribed terminus positions in ISSM by Haubner, Konstanze, Box, Jason E., Schlegel, Nicole J., Larour, Eric Y., Morlighem, Mathieu, Solgaard, Anne M., Kjeldsen, Kristian K., Larsen, Signe H., Rignot, Eric, Dupont, Todd K., Kjær, Kurt H.

“…Tidewater glacier velocity and mass balance are known to be highly responsive to terminus position change. Yet it remains challenging for ice flow models to…”
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Greenland Ice Sheet seasonal and spatial mass variability from model simulations and GRACE (2003–2012) by Alexander, Patrick M, Tedesco, Marco, Schlegel, Nicole-Jeanne, Luthcke, Scott B, Fettweis, Xavier, Larour, Eric

“…Improving the ability of regional climate models (RCMs) and ice sheet models (ISMs) to simulate spatiotemporal variations in the mass of the Greenland Ice…”
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An approach to computing discrete adjoints for MPI-parallelized models applied to Ice Sheet System Model 4.11 by Larour, Eric, Utke, Jean, Bovin, Anton, Morlighem, Mathieu, Perez, Gilberto

“…Within the framework of sea-level rise projections, there is a strong need for hindcast validation of the evolution of polar ice sheets in a way that tightly…”
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Toward Improved Understanding of Changes in Greenland Outlet Glacier Shear Margin Dynamics in a Warming Climate by Lampkin, Derrick J., Parizek, Byron, Larour, Eric Y., Seroussi, Hélène, Joseph, Casey, Cavanagh, John P.

“…The Greenland Ice Sheet has experienced accelerated mass loss over the last couple decades, in part due to destabilization of marine-terminating outlet…”
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Coastline extraction from repeat high resolution satellite imagery by Dai, Chunli, Howat, Ian M., Larour, Eric, Husby, Erik

“…This paper presents a new coastline extraction method that improves water classification accuracy by benefitting from an ever-increasing volume of repeated…”
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Notes on a compressible extended Burgers model of rheology by Ivins, Erik R, Caron, Lambert, Adhikari, Surendra, Larour, Eric

“…SUMMARY Constitutive theory for viscoelasticity has broad application to solid mantle or ice deformations driven by tides, surface mass variations, and…”
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A constitutive framework for predicting weakening and reduced buttressing of ice shelves based on observations of the progressive deterioration of the remnant Larsen B Ice Shelf by Borstad, Chris, Khazendar, Ala, Scheuchl, Bernd, Morlighem, Mathieu, Larour, Eric, Rignot, Eric

“…The increasing contribution of the Antarctic Ice Sheet to sea level rise is linked to reductions in ice shelf buttressing, driven in large part by basal…”
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Calving Front Machine (CALFIN): glacial termini dataset and automated deep learning extraction method for Greenland, 1972–2019 by Cheng, Daniel, Hayes, Wayne, Larour, Eric, Mohajerani, Yara, Wood, Michael, Velicogna, Isabella, Rignot, Eric

“…Sea level contributions from the Greenland Ice Sheet are influenced by the rapid changes in glacial terminus positions. The documentation of these evolving…”
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Implementation of a Gaussian Markov random field sampler for forward uncertainty quantification in the Ice-sheet and Sea-level System Model v4.19 by Bulthuis, Kevin, Larour, Eric

“…Assessing the impact of uncertainties in ice-sheet models is a major and challenging issue that needs to be faced by the ice-sheet community to provide more…”
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Decadal to Centennial Timescale Mantle Viscosity Inferred From Modern Crustal Uplift Rates in Greenland by Adhikari, S., Milne, G. A., Caron, L., Khan, S. A., Kjeldsen, K. K., Nilsson, J., Larour, E., Ivins, E. R.

“…The observed crustal uplift rates in Greenland are caused by the combined response of the solid Earth to both ongoing and past surface mass changes. Existing…”
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