Results 41 to 50 of about 302,667 (302)

Ice velocity and thickness of the world’s glaciers

Nature Geoscience, 2022
The effect of climate change on water resources and sea-level rise is largely determined by the size of the ice reservoirs around the world and the ice thickness distribution, which remains uncertain. Here, we present a comprehensive high-resolution mapping of ice motion for 98% of the world's total glacier area during the period 2017-2018. We use this
Millan, Romain, Mouginot, Jérémie, Rabatel, Antoine, Morlighem, Mathieu   +3 more
openaire   +5 more sources

Outlet glacier flow response to surface melt: based on analysis of a high-resolution satellite data set

Journal of Glaciology, 2023
The dynamics of the Greenland Ice Sheet are affected by surface meltwater reaching the base of the ice, altering ice contact with the bedrock. Lack of understanding of this evolution hampers the ability to predict the effects of increasing temperatures ...
Signe H. Larsen, Andreas P. Ahlstrøm, Nanna B. Karlsson, Anders Kusk, Peter L. Langen, Christine S. Hvidberg   +5 more
doaj   +1 more source

Detecting the Signatures of Uranus and Neptune [PDF]

, 2011
With more than 15 years since the the first radial velocity discovery of a planet orbiting a Sun-like star, the time baseline for radial velocity surveys is now extending out beyond the orbit of Jupiter analogs.
Bakos, Barge, Basri, Beichman, Benvenuto, Boisse, Borucki, Boss, Boss, Cahoy, Charbonneau, Colón, Cumming, Dodson-Robinson, Dyudina, Eisler, Eisler, Ford, Fortney, Gould, Ida, Kane, Kane, Kane, Kane, Kennedy, Kennedy, Lagrange, Levison, Li, Lomb, Makarov, Marois, Marois, Matsuo, Mayor, Meunier, Murphy, Naef, O’Toole, Pepe, Pollacco, Rivera, Scargle, Simpson, Steinmetz, Stephen R. Kane, Strassmeier, Sudarsky, Thommes, Thommes, Udem, von Braun, Welsh, Wright, Wright   +55 more
core   +1 more source

Collisions of small ice particles under microgravity conditions (II): Does the chemical composition of the ice change the collisional properties? [PDF]

, 2014
Context: Understanding the collisional properties of ice is important for understanding both the early stages of planet formation and the evolution of planetary ring systems.
Hill, C. R., Heißelmann, D., Blum, J., Fraser, H. J.   +3 more
core   +9 more sources

Bayesian Inference of Ice Softness and Basal Sliding Parameters at Langjökull

Frontiers in Earth Science, 2021
We develop Bayesian statistical models that are designed for the inference of ice softness and basal sliding parameters, important glaciological quantities.
Giri Gopalan, Birgir Hrafnkelsson, Guðfinna Aðalgeirsdóttir, Finnur Pálsson   +3 more
doaj   +1 more source

Ice flow velocities and uplift

, 2021
Ice flow velocities and uplift: these files contain horizontal, vertical velocities at Argentiere glacier and calculated ...
openaire   +1 more source

Impact of boundary conditions on the modeled thermal regime of the Antarctic ice sheet [PDF]

The Cryosphere
A realistic initialization of ice flow models is critical for predicting future changes in ice sheet mass balance and their associated contribution to sea level rise. The initial thermal state of an ice sheet is particularly important, as it controls ice
I.-W. Park, I.-W. Park, E. K. Jin, M. Morlighem, K.-K. Lee   +4 more
doaj   +1 more source

Simulation Study of the Transport Characteristics of the Ice Core in Ice Drilling with Air Reverse Circulation

Journal of Marine Science and Engineering, 2022
Ice core drilling with air reverse circulation is a promising technology that uses high-speed airflow to transport the ice core from the bottom of the hole along the central passage of the drill pipe to the surface.
Mengke Wang, Wenbo He, Jine Cao, Bo Qi, Jingchao Chen, Pinlu Cao   +5 more
doaj   +1 more source

A comparison of balance velocities, measured velocities and thermomechanically modelled velocities for the Greenland ice sheet [PDF]

Annals of Glaciology, 2000
AbstractBalance velocities for the Greenland ice sheet have been calculated from a new digital-elevation model, accumulation-rates compilation and an existing ice-thickness grid, using a two-dimensional finite-difference scheme. The pattern of velocities over the ice sheet is presented and compared with velocities derived from synthetic-aperture-radar ...
Bamber, JL, Hardy, RJ, Huybrechts, P, Joughin, I   +3 more
openaire   +4 more sources

Intermittent structural weakening and acceleration of the Thwaites Glacier Tongue between 2000 and 2018 [PDF]

, 2020
Evolving conditions at the terminus of Thwaites Glacier will be important in determining the rate of its future sea-level contribution over the coming decades.
Gudmundsson, Hilmar, Jamieson, S. S. R., Jenkins, Adrian, Jordan, Jim, Miles, B. W. J., Stokes, C. R.   +5 more
core   +6 more sources