Search Results - "Waddington, E. D."

Past and Future Grounding-Line Retreat of the West Antarctic Ice Sheet by Conway, H., Hall, B. L., Denton, G. H., Gades, A. M., Waddington, E. D.

“…The history of deglaciation of the West Antarctic Ice Sheet (WAIS) gives clues about its future. Southward grounding-line migration was dated past three…”
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Evidence for late Pleistocene thinning of Siple Dome, West Antarctica by Price, S. F., Conway, H., Waddington, E. D.

“…We use a two‐dimensional, full‐stress, thermomechanical flow band model to investigate late Pleistocene and Holocene histories of ice thickness and ice flow at…”
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Interpolation methods for Antarctic ice-core timescales: application to Byrd, Siple Dome and Law Dome ice cores by Fudge, T. J, Waddington, E. D, Conway, H, Lundin, J. M. D, Taylor, K

“…Antarctic ice cores have often been dated by matching distinctive features of atmospheric methane to those detected in annually dated ice cores from Greenland…”
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Holocene accumulation and ice sheet dynamics in central West Antarctica by Neumann, T. A., Conway, H., Price, S. F., Waddington, E. D., Catania, G. A., Morse, D. L.

“…We derive depth‐age relationships across the ice divide between the Ross and Amundsen Seas by tracking radar‐detected layers from the Byrd ice core and a dated…”
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Possible displacement of the climate signal in ancient ice by premelting and anomalous diffusion by Rempel, A. W, Waddington, E. D, Wettlaufer, J. S, Worster, M. G

“…The best high-resolution records of climate over the past few hundred millennia are derived from ice cores retrieved from Greenland and Antarctica. The…”
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A full-stress, thermomechanical flow band model using the finite volume method by Price, S. F., Waddington, E. D., Conway, H.

“…A thermomechanical ice flow model is formulated using the finite volume method. Separate submodels solve the full, two‐dimensional momentum equations, the…”
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Synchronous climate changes in Antarctica and the North Atlantic by Steig, E.J. (University of Pennsylvania, Philadelphia, PA.), Brook, E.J, White, J.W.C, Sucher, C.M, Bender, M.L, Lehman, S.J, Morse, D.L, Waddington, E.D, Clow, G.D

“…Central Greenland ice cores provide evidence of abrupt changes in climate over the past 100,000 years. Many of these changes have also been identified in…”
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Abrupt increase in Greenland snow accumulation at the end of the Younger Dryas event by Alley, R. B, Meese, D. A, Shuman, C. A, Gow, A. J, Taylor, K. C, Grootes, P. M, White, J. W. C, Ram, M, Waddington, E. D, Mayewski, P. A, Zielinski, G. A

“…Data from a Greenland ice core show that snow accumulation doubled rapidly from the Younger Dryas event to the Preboreal interval, possibly in 1-3 years. The…”
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The Accumulation Record from the GISP2 Core as an Indicator of Climate Change Throughout the Holocene by Meese, D. A., Gow, A. J., Grootes, P., Mayewski, P. A., Ram, M., Stuiver, M., Taylor, K. C., Waddington, E. D., Zielinski, G. A.

“…A depth-age scale and an accumulation history for the Holocene have been established on the Greenland Ice Sheet Project 2 (GISP2) deep core, providing the most…”
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A renewed argument for crystal size control of ice sheet strain rates by Cuffey, K. M., Thorsteinsson, T., Waddington, E. D.

“…At present, it is generally believed that crystal size has no direct influence on strain rate in the ice sheets and that the fraction of strain rate…”
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Carbonyl sulfide hydrolysis in Antarctic ice cores and an atmospheric history for the last 8000 years by Aydin, M., Fudge, T. J., Verhulst, K. R., Nicewonger, M. R., Waddington, E. D., Saltzman, E. S.

“…Carbonyl sulfide (COS) was measured in Antarctic ice core samples from the Byrd, Siple Dome, Taylor Dome, and West Antarctic Ice Sheet Divide sites covering…”
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Distortion of isochronous layers in ice revealed by ground-penetrating radar by Vaughan, David G, Corr, Hugh F. J, Doake, Christopher S. M, Waddington, Ed. D

“…In addition to measuring ice-sheet thickness, ground-penetrating radar can be used to delineate reflections in ice sheets. These reflections are generally…”
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Ice Age storm trajectories inferred from radar stratigraphy at Taylor Dome, Antarctica by Morse, D. L., Waddington, E. D., Steig, E. J.

“…The Taylor Dome ice core, East Antarctica, provides a climate record that extends through the previous interglacial. We use ice dynamics modeling and…”
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Numerical modeling of glacial erosion and headwall processes in alpine valleys by MacGregor, Kelly R., Anderson, Robert S., Waddington, Edwin D.

“…How rock relief is developed by glacial erosion in alpine landscapes is a key question in understanding the controls on mountain range topography. Any…”
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Anomalous diffusion of multiple impurity species: Predicted implications for the ice core climate records by Rempel, Alan W., Wettlaufer, J. S., Waddington, Edwin D.

“…We investigate the transport of impurities that are interpreted as climate proxies and are soluble in the premelted liquid that separates ice grains in the…”
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Electrical conductivity measurements from the GISP2 and GRIP Greenland ice cores by Taylor, K. C, Hammer, C. U, Alley, R. B, Clausen, H. B, Dahl-Jensen, D, Gow, A. J, Gundestrup, N. S, Kipfstuh, J, Moore, J. C, Waddington, E. D

“…Electrical conductivity records for the Greenland Ice Sheet Project 2 and Greenland Ice-core Project ice cores, drilled 28 km apart to enable direct comparison…”
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Grain-scale processes, folding, and stratigraphic disturbance in the GISP2 ice core by Alley, R. B., Gow, A. J., Meese, D. A., Fitzpatrick, J. J., Waddington, E. D., Bolzan, J. F.

“…Flow disturbances have been shown to alter stratigraphic order in the lower part of the ice sheet in central Greenland. Vertical thin sections of the Greenland…”
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Climate Change During the Last Deglaciation in Antarctica by Mayewski, P. A., Twickler, M. S., Whitlow, S. I., Meeker, L. D., Yang, Q., Thomas, J., Kreutz, K., Grootes, P. M., Morse, D. L., Steig, E. J., Waddington, E. D., Saltzman, E. S., P.-Y. Whung, Taylor, K. C.

“…Greenland ice core records provide clear evidence of rapid changes in climate in a variety of climate indicators. In this work, rapid climate change events in…”
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A method to infer past surface mass balance and topography from internal layers in martian polar layered deposits by Koutnik, Michelle R., Waddington, Edwin D., Winebrenner, Dale P.

“…Internal layers in ice masses can be detected with ice-penetrating radar. In a flowing ice mass, each horizon represents a past surface that has been…”
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Large Arctic Temperature Change at the Wisconsin-Holocene Glacial Transition by Cuffey, Kurt M., Clow, Gary D., Alley, Richard B., Stuiver, Minze, Waddington, Edwin D., Saltus, Richard W.

“…Analysis of borehole temperature and Greenland Ice Sheet Project II ice-core isotopic composition reveals that the warming from average glacial conditions to…”
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