David Lilien
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Publications
Type
Journal article
Preprint
Date
2022
2021
2020
2019
2018
2017
2014
Accelerating ice flow at the onset of the Northeast Greenland Ice Stream
Mass loss near the ice-sheet margin is evident from remote sensing as frontal retreat and increases in ice velocities. Velocities in …
Aslak Grinsted
,
Christine S. Hvidberg
,
David A. Lilien
,
Nicholas M. Rathmann
,
Nanna B. Karlsson
,
Tamara A. Gerber
,
Helle A. Kjær
,
Paul Vallelonga
,
Dorthe Dahl-Jensen
DOI
Crystal fabric anisotropy causes directional hardening of the Northeast Greenland Ice Stream
The dynamic mass loss of ice sheets due to ice flow constitutes one of the biggest uncertainties in projections of ice-sheet evolution …
Tamara A. Gerber
,
David A. Lilien
,
Nicholas M. Rathmann
,
Steven Franke
,
Tun Jan Young
,
Fernando Valero-Delgado
,
Reza Ershadi
,
Reinhard Drews
,
Ole Zeising
,
Angelika Humbert
,
Nicolas Stoll
,
Ilka Weikusat
,
Aslak Grinsted
,
Christine S. Hvidberg
,
Daniela Jansen
,
Heinrich Miller
,
Veit Helm
,
Daniel Steinhage
,
Charles O’Neill
,
Prasad Gogineni
,
John Paden
,
Dorthe Dahl-Jensen
,
Olaf Eisen
Project
DOI
On the nonlinear viscosity of the orthotropic bulk rheology
We compare different ways the bulk flow nonlinearity of glacier ice can be captured in an orthotropic rheology. Specifically, we …
Nicholas M. Rathmann
,
David A. Lilien
Project
DOI
On the Limitations of Using Polarimetric Radar Sounding to Infer the Crystal Orientation Fabric of Ice Masses
We introduce a transfer matrix model for radio-wave propagation through layered anisotropic ice that permits an arbitrary dielectric …
Nicholas M. Rathmann
,
David A. Lilien
,
Aslak Grinsted
,
Tamara A. Gerber
,
Tun Jan Young
,
Dorthe Dahl-Jensen
Project
DOI
Inferred basal friction and mass flux affected by crystal-orientation fabrics
We investigate the errors caused by neglecting the crystal-orientation fabric when inferring the basal friction coefficient field, and …
Nicholas M. Rathmann
,
David A. Lilien
Project
DOI
Modeling Ice-Crystal Fabric as a Proxy for Ice-Stream Stability
The crystal structure within an ice sheet evolves in response to deformation; hence ice- crystal fabric records ice-flow history. …
David A. Lilien
,
Nicholas M. Rathmann
,
Christine S. Hvidberg
,
Dorthe Dahl-Jensen
Project
DOI
Brief Communication: New radar constraints support presence of ice older than 1.5 Myr at Little Dome C
The area near Dome C, East Antarctica, is thought to be one of the most promising targets for recovering a continuous ice-core record …
David A. Lilien
,
Daniel Steinhage
,
Drew Taylor
,
Frédéric Parrenin
,
Catherine Ritz
,
Robert Mulvaney
,
Carlos Martín
,
Jie-Bang Yan
,
Charles O’Neill
,
Massimo Frezzotti
,
Heinrich Miller
,
Prasad Gogineni
,
Dorthe Dahl-Jensen
,
Olaf Eisen
PDF
DOI
Effect of an orientation-dependent non-linear grain fluidity on bulk directional enhancement factors
Bulk directional enhancement factors are determined for axisymmetric (girdle and single-maximum) orientation fabrics using a …
Nicholas M. Rathmann
,
Christine S. Hvidberg
,
Aslak Grinsted
,
David A. Lilien
,
Dorthe Dahl-Jensen
Project
DOI
ImpDAR: An open-source impulse radar processor
Despite widespread use of radio-echo sounding (RES) in glaciology and broad distribution of processed radar products, the glaciological …
David A. Lilien
,
Benjamin H. Hills
,
Joshua Driscol
,
Robert Jacobel
,
Knut Christianson
PDF
Project
DOI
Advection and non-climate impacts on the South Pole Ice Core
The South Pole Ice Core (SPICEcore), which spans the past 54 300 years, was drilled far from an ice divide such that ice recovered at …
T.J. Fudge
,
David A. Lilien
,
Michelle Koutnik
,
Howard Conway
,
C. Max Stevens
,
Edwin D. Waddington
,
Eric Steig
,
Andrew Schauer
,
Nicholas Holschuh
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Project
DOI
Thermal Weakening, Convergent Flow, and Vertical Heat Transport in the Northeast Greenland Ice Stream Shear Margins
Ice streams are bounded by abrupt transitions in speed called shear margins. Some shear margins are fixed by subglacial topography, but …
Nicholas Holschuh
,
David A. Lilien
,
Knut Christianson
DOI
Melt at grounding line controls observed and future retreat of Smith, Pope, and Kohler Glaciers
Smith, Pope, and Kohler Glaciers and the corresponding Crosson and Dotson Ice Shelves have undergone speedup, thinning, and rapid …
David A. Lilien
,
Ian Joughin
,
Benjamin Smith
,
Noel Gourmelen
PDF
Project
Holocene Ice‐Flow Speedup in the Vicinity of the South Pole
The South Pole Ice Core (SPICEcore) was drilled at least 180 km from an ice‐flow divide. Thus, the annual‐equivalent layer thicknesses …
David A. Lilien
,
T.J. Fudge
,
Michelle Koutnik
,
Howard Conway
,
Erich Osterberg
,
David G. Ferris
,
Edwin D. Waddington
,
C. Max Stevens
Cite
Project
DOI
Changes in flow of Crosson and Dotson ice shelves, West Antarctica, in response to elevated melt
Crosson and Dotson ice shelves are two of the most rapidly changing outlets in West Antarctica, displaying both significant thinning …
David A. Lilien
,
Ian Joughin
,
Benjamin Smith
,
David Shean
PDF
Cite
Project
DOI
Drainage of Southeast Greenland Firn Aquifer Water through Crevasses to the Bed
A firn aquifer in the Helheim Glacier catchment of Southeast Greenland lies directly upstream of a crevasse field. Previous …
Kristin Poinar
,
Ian Joughin
,
David A. Lilien
,
Ludovic Brucker
,
Laura Kehrl
,
Sophie Nowicki
PDF
Cite
DOI
Artificial selection for structural color on butterfly wings and comparison with natural evolution
Brilliant animal colors often are produced from light interacting with intricate nano-morphologies present in biological materials such …
Bethany R. Wasik
,
Seng Fatt Liew
,
David A. Lilien
,
April J. Dinwiddie
,
Heeso Noh
,
Hui Cao
,
Antonia Monteiro
PDF
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DOI
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