Results 21 to 30 of about 3,376,377 (351)

Analysis of Antarctic Peninsula glacier frontal ablation rates with respect to iceberg melt-inferred variability in ocean conditions

Journal of Glaciology, 2020
Marine-terminating glaciers on the Antarctic Peninsula (AP) have retreated, accelerated and thinned in response to climate change in recent decades. Ocean warming has been implicated as a trigger for these changes in glacier dynamics, yet little data ...
M. C. Dryak, E. M. Enderlin
doaj   +1 more source

Melt regimes, internal stratigraphy, and flow dynamics of three glaciers in the Alaska Range [PDF]

, 2012
We used ground-penetrating radar (GPR), GPS and glaciochemistry to evaluate melt regimes and ice depths, important variables for mass-balance and ice-volume studies, of Upper Yentna Glacier, Upper Kahiltna Glacier and the Mount Hunter ice divide, Alaska.
Arcone, Steven, Campbell, Seth, Introne, Douglas, Kreutz, K, Osterberg, Erich, Volkening, Kevin, Wake, Cameron P, Winski, Dominic   +7 more
core   +2 more sources

Committed retreat: controls on glacier disequilibrium in a warming climate

Journal of Glaciology, 2018
The widespread retreat of mountain glaciers is a striking emblem of recent climate change. Yet mass-balance observations indicate that many glaciers are out of equilibrium with current climate, meaning that observed retreats do not show the full response
JOHN ERICH CHRISTIAN, MICHELLE KOUTNIK, GERARD ROE   +2 more
doaj   +1 more source

Meltwater Intrusions Reveal Mechanisms for Rapid Submarine Melt at a Tidewater Glacier [PDF]

, 2019
Submarine melting has been implicated as a driver of glacier retreat and sea level rise, but to date melting has been difficult to observe and quantify. As a result, melt rates have been estimated from parameterizations that are largely unconstrained by ...
Amundson, Jason M., Jackson, R. H., Kienholtz, C., Motyka, R. J., Nash, J. D., Pettit, E. C., Skyllingstad, E., Sutherland, D. A., Winters, D.   +8 more
core   +1 more source

Terminus dynamics at an advancing glacier: Taku Glacier, Alaska [PDF]

Journal of Glaciology, 2009
AbstractTaku Glacier, Alaska, USA, is currently in the advance stage of the tidewater glacier cycle. We investigated the near-terminus dynamics by measuring surface velocities, surface elevation changes, ice thickness and ablation. Velocities vary on sub-daily, diurnal, seasonal and interannual timescales.
Truffer M, Motyka RJ, Hekkers M, Howat IM, King MA   +4 more
openaire   +2 more sources

Terminus-driven retreat of a major southwest Greenland tidewater glacier during the early 19th century : insights from glacier reconstructions and numerical modelling [PDF]

, 2014
Peer reviewedPublisher ...
Anker Weidick, Brice R. Rea, Crantz, Cuffey, Dirk Van As, Douglas W.F. Mair, Faezeh M. Nick, Giesecke, J. Edward Schofield, James M. Lea, Kleinschmidt, Kurt H. Kjær, Mathieu Morlighem, Rink, Thorhallesen, Weidick, Weidick, Weidick, Weidick   +18 more
core   +5 more sources

Surge dynamics of Shisper Glacier revealed by time-series correlation of optical satellite images and their utility to substantiate a generalized sliding law

The Cryosphere, 2022
. Understanding fast ice flow is key to assessing the future of glaciers. Fast ice flow is controlled by sliding at the bed, yet that sliding is poorly understood.
F. Beaud, S. Aati, I. Delaney, S. Adhikari, J. Avouac   +4 more
semanticscholar   +1 more source

An efficient representation of glacier dynamics in a semi-distributed hydrological model to bridge glacier and river catchment scales

Journal of Hydrology, 2019
Glacierised river catchments have been shown to be highly sensitive to climate change, while large populations depend on the water resources originating from them.
M. Wortmann, T. Bolch, Buda Su, V. Krysanova   +3 more
semanticscholar   +1 more source

Response of Marine‐Terminating Glaciers to Forcing: Time Scales, Sensitivities, Instabilities, and Stochastic Dynamics [PDF]

, 2018
Recent observations indicate that many marine‐terminating glaciers in Greenland and Antarctica are currently retreating and thinning, potentially due to long‐term trends in climate forcing.
Haseloff, Marianne, Robel, Alexander A., Roe, Gerard H.   +2 more
core   +2 more sources

Global glacier dynamics during 100 ka Pleistocene glacial cycles

Quaternary Research, 2018
Ice volume during the last ten 100 ka glacial cycles was driven by solar radiation flux in the Northern Hemisphere. Early minima in solar radiation combined with critical levels of atmospheric CO2 drove initial glacier expansion.
P. Hughes, P. Gibbard
semanticscholar   +1 more source