Results 21 to 30 of about 4,109,816 (309)

Influence of ice crystal shape on retrieval of cirrus optical thickness and effective radius: A case study [PDF]

, 2009
Airborne measurements of spectral upwelling radiances (350â  2200 nm) reflected by cirrus using the Spectral Modular Airborne Radiation measurement sysTem (SMART)-Albedometer were made over land and water surfaces.
Minikin, Andreas, Gayet, Jean-Francois, Emde, Claudia, Eichler, Heike, Ehrlich, André, Mioche, Guillaume, Wendisch, Manfred, Wirth, Martin   +7 more
core   +1 more source

Sea-ice thickness measurement based on the dispersion of ice swell

The Journal of the Acoustical Society of America, 2012
The dispersion of flexural waves propagating in the Arctic sea ice cover is exploited in order to locally measure the ice thickness. The observed dispersion, for waves filtered in the 4–20 s period interval, at up to 4 broad-band seismometers deployed in Spring 2007 near the North Pole, is compared to a parameterized model that accounts for a complex ...
Marsan, David, Weiss, Jérôme, Larose, Eric, Métaxian, Jean-Philippe   +3 more
openaire   +5 more sources

Evaluation of Operation IceBridge quick-look snow depth estimates on sea ice [PDF]

, 2015
We evaluate Operation IceBridge (OIB) ‘quick-look’ (QL) snow depth on sea ice retrievals using in situ measurements taken over immobile first-year ice (FYI) and multi-year ice (MYI) during March of 2014. Good agreement was found over undeformed FYI (-4.5
Joshua King, Richter-Menge, Jacqueline, Howell, Stephen, Kurtz, Nathan, Haas, Christian, Stephen Howell, Justin F. Beckers, Nathan Kurtz, Peter Toose, King, Joshua, Beckers, Justin, Chris Derksen, Nick Rutter, Christian Haas, Jacqueline Richter‐Menge, Toose, Peter, Rutter, Nick, Derksen, Chris   +17 more
core   +1 more source

Impact of Variable Atmospheric and Oceanic Form Drag on Simulations of Arctic Sea Ice [PDF]

, 2014
Over Arctic sea ice, pressure ridges and floe and melt pond edges all introduce discrete obstructions to the flow of air or water past the ice and are a source of form drag.
Laxon, Seymour W., Farell, Sinead, Bacon, Sheldon, Schroeder, David, Kurtz, Nathan, Flocco, Daniela, Feltham, Daniel L., Tsamados, Michel, Farrell, Sinead L., Flocco, Dani, Feltham, Danny, Laxon, Seymour, Farrell S. L., Laxon S. W., Feltham D. L., Kurtz N., Tsamados M., Schroeder D., Bacon S., Flocco D.   +19 more
core   +1 more source

Crevasse-induced Rayleigh-wave azimuthal anisotropy on Glacier de la Plaine Morte, Switzerland

Annals of Glaciology, 2019
Crevasses and englacial fracture networks route meltwater from a glacier's surface to the subglacial drainage system and thus influence glacial hydraulics.
Fabian Lindner, Gabi Laske, Fabian Walter, Adrian K. Doran   +3 more
doaj   +1 more source

Application of GNSS Interferometric Reflectometry for the Estimation of Lake Ice Thickness

Remote Sensing, 2020
Lake ice thickness is a sensitive indicator of climate change largely through its dependency on near-surface air temperature and on-ice snow mass (depth and density). Monitoring of the seasonal variations and trends in ice thickness is also important for
Yusof Ghiasi, Claude R. Duguay, Justin Murfitt, Joost J. van der Sanden, Aaron Thompson, Hugo Drouin, Christian Prévost   +6 more
doaj   +1 more source

Ice volume distribution and implications on runoff projections in a glacierized catchment [PDF]

Hydrology and Earth System Sciences, 2012
A dense network of helicopter-based ground-penetrating radar (GPR) measurements was used to determine the ice-thickness distribution in the Mauvoisin region.
J. Gabbi, D. Farinotti, A. Bauder, H. Maurer   +3 more
doaj   +1 more source

Bias-corrected estimates of glacier thickness in the Columbia River Basin, Canada

Journal of Glaciology, 2020
Several global datasets of glacier thickness exist, but the number of observations from western Canada are sparse and spatially biased. To supplement these limited observations, we measured ice thickness with ice penetrating radar on five glaciers in the
Ben M. Pelto, Fabien Maussion, Brian Menounos, Valentina Radić, Maurice Zeuner   +4 more
doaj   +1 more source

Evidence for the stability of the West Antarctic Ice Sheet divide for 1.4 million years [PDF]

, 2016
Past fluctuations of the West Antarctic Ice Sheet (WAIS) are of fundamental interest because of the possibility of WAIS collapse in the future and a consequent rise in global sea level.
Sugden, David, Stuart, Finlay, Freeman, Stewart, Freeman, Stewart P.H.T., Woodward, John, Marrero, Shasta, Steig, Eric J., Stuart, Finlay M., Westoby, M. J., Westoby, Matt, Sugden, David E., Marrero, Shasta M., Freeman, Stewart P. H. T., Dunning, Stuart, Winter, Kate, Hein, Andrew, Westoby, Matthew J., Hein, Andrew S., Dunning, Stuart A., Steig, Eric, Steig, Eric.J., Hein, Andrew; id_orcid   +21 more
core   +1 more source

The relation between sea ice thickness and freeboard in the Arctic [PDF]

The Cryosphere, 2010
Retrieval of Arctic sea ice thickness from CryoSat-2 radar altimeter freeboard data requires observational data to verify the relation between these two variables.
V. Alexandrov, S. Sandven, J. Wahlin, O. M. Johannessen   +3 more
doaj   +1 more source