Search Results - "Young, Tun Jan"

Resolving the internal and basal geometry of ice masses using imaging phase-sensitive radar by YOUNG, TUN JAN, SCHROEDER, DUSTIN M., CHRISTOFFERSEN, POUL, LOK, LAI BUN, NICHOLLS, KEITH W., BRENNAN, PAUL V., DOYLE, SAMUEL H., HUBBARD, BRYN, HUBBARD, ALUN

“…The phase-sensitive radio-echo sounder (pRES) is a powerful new instrument that can measure the depth of internal layers and the glacier bed to millimetre…”
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High-resolution distributed vertical strain and velocity from repeat borehole logging by optical televiewer: Derwael Ice Rise, Antarctica by Hubbard, Bryn, Philippe, Morgane, Pattyn, Frank, Drews, Reinhard, Young, Tun Jan, Bruyninx, Carine, Bergeot, Nicolas, Fjøsne, Karen, Tison, Jean-Louis

“…Direct measurements of spatially distributed vertical strain within ice masses are scientifically valuable but challenging to acquire. We use manual marker…”
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Strategies to build a positive and inclusive Antarctic field work environment by Karplus, Marianne S., Young, Tun Jan, Anandakrishnan, Sridhar, Bassis, Jeremy N., Case, Elizabeth H., Crawford, Anna J., Gold, Anne, Henry, Leilani, Kingslake, Jonathan, Lehrmann, Asmara A., Montaño, Patricia A., Pettit, Erin C., Scambos, Ted A., Sheffield, Elizabeth M., Smith, Emma C., Turrin, Margie, Wellner, Julia S.

“…To increase inclusivity, diversity, equity and accessibility in Antarctic science, we must build more positive and inclusive Antarctic field work environments…”
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On the Limitations of Using Polarimetric Radar Sounding to Infer the Crystal Orientation Fabric of Ice Masses by Rathmann, Nicholas M., Lilien, David A., Grinsted, Aslak, Gerber, Tamara A., Young, Tun Jan, Dahl‐Jensen, Dorthe

“…We introduce a transfer matrix model for radio‐wave propagation through layered anisotropic ice that permits an arbitrary dielectric permittivity tensor in…”
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Rapid basal melting of the Greenland Ice Sheet from surface meltwater drainage by Young, Tun Jan, Christoffersen, Poul, Bougamont, Marion, Tulaczyk, Slawek M, Hubbard, Bryn, Mankoff, Kenneth D, Nicholls, Keith W, Stewart, Craig L

“…Subglacial hydrologic systems regulate ice sheet flow, causing acceleration or deceleration, depending on hydraulic efficiency and the rate at which surface…”
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Crystal orientation fabric anisotropy causes directional hardening of the Northeast Greenland Ice Stream by Gerber, Tamara Annina, Lilien, David A., Rathmann, Nicholas Mossor, Franke, Steven, Young, Tun Jan, Valero-Delgado, Fernando, Ershadi, M. Reza, Drews, Reinhard, Zeising, Ole, Humbert, Angelika, Stoll, Nicolas, Weikusat, Ilka, Grinsted, Aslak, Hvidberg, Christine Schøtt, Jansen, Daniela, Miller, Heinrich, Helm, Veit, Steinhage, Daniel, O’Neill, Charles, Paden, John, Gogineni, Siva Prasad, Dahl-Jensen, Dorthe, Eisen, Olaf

“…The dynamic mass loss of ice sheets constitutes one of the biggest uncertainties in projections of ice-sheet evolution. One central, understudied aspect of ice…”
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Rapid and accurate polarimetric radar measurements of ice crystal fabric orientation at the Western Antarctic Ice Sheet (WAIS) Divide ice core site by Young, Tun Jan, Martín, Carlos, Christoffersen, Poul, Schroeder, Dustin M, Tulaczyk, Slawek M, Dawson, Eliza J

“…The crystal orientation fabric (COF) of ice sheets records the past history of ice sheet deformation and influences present-day ice flow dynamics. Though not…”
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Thermodynamics of a fast-moving Greenlandic outlet glacier revealed by fiber-optic distributed temperature sensing by Law, Robert, Christoffersen, Poul, Hubbard, Bryn, Doyle, Samuel H, Chudley, Thomas R, Schoonman, Charlotte M, Bougamont, Marion, des Tombe, Bas, Schilperoort, Bart, Kechavarzi, Cedric, Booth, Adam, Young, Tun Jan

“…Measurements of ice temperature provide crucial constraints on ice viscosity and the thermodynamic processes occurring within a glacier. However, such…”
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Inferring Ice Fabric From Birefringence Loss in Airborne Radargrams: Application to the Eastern Shear Margin of Thwaites Glacier, West Antarctica by Young, T. J., Schroeder, D. M., Jordan, T. M., Christoffersen, P., Tulaczyk, S. M., Culberg, R., Bienert, N. L.

“…In airborne radargrams, undulating periodic patterns in amplitude that overprint traditional radiostratigraphic layering are occasionally observed, however,…”
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Physical Conditions of Fast Glacier Flow: 3.Seasonally-Evolving Ice Deformation onStore Glacier, West Greenland by Young, Tun Jan, Christoffersen, Poul, Doyle, Samuel H, Nicholls, Keith W, Stewart, C.L, Hubbard, Bryn, Hubbard, Alun Lloyd, Lok, Lai B, Brennan, Paul V, Benn, Douglas I, Luckman, Adrian, Bougamont, Marion H

“…Temporal variations in ice sheet flow directly impact the internal structure within ice sheetsthrough englacial deformation. Large-scale changes in the…”
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SAR Focusing of Mobile Apres Surveys by Kapai, Sarina, Schroeder, Dustin, Broome, Anna, Young, Tun Jan, Stewart, Craig

“…The Autonomous Phase-Sensitive Radio Echo Sounder (ApRES) is a relatively inexpensive ice-penetrating Frequency-Modulated Continuous-Wave (FMCW) radar that is…”
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Processing and Detecting Artifacts in Multi-Input Multi-Output Phase-Sensitive ICE Penetrating Radar Data by McLeod, Akua A., Peters, Sean T., Culberg, Riley, Schroeder, Dustin M., Bienert, Nicole L., Chu, Winnie, Young, Tun Jan, Christoffersen, Poul

“…Surface crevasses impact ice sheet mass loss by initiating hydrofracturing and calving at the margins and transporting supraglacial meltwater to the subglacial…”
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