Results 41 to 50 of about 67,581 (340)

Structure and dynamics of Aldegondabreen, Spitsbergen, according to repeated GPR surveys in 1999, 2018 and 2019

Лëд и снег, 2021
Over the last decades, glaciers on Svalbard were shrinking in response to the current climate change. Most of them decreased in size, area, and surface height with a stable negative or even accelerated changes in the mass balance.
A. L. Borisik, A. L. Novikov, A. F. Glazovsky, I. I. Lavrentiev, S. R. Verkulich   +4 more
doaj   +1 more source

NATIONAL SEISMIC, RADAR AND SEISMOLOGICAL STUDIES OF SUBGLACIAL LAKE VOSTOK

Лëд и снег, 2015
The results of the remote sensing which carried out in the LakeVostokarea are discussed in the paper. A.P. Kapitsa and O.G. Sorokhtin started the geophysical researches in this area in 1950s.
S. V. Popov, V. N. Masolov, V. V. Lukin, A. M. Popkov   +3 more
doaj   +1 more source

Quasi-parabolic reflecting bottom surfaces of the Drygalski Antarctic floating ice tongue

Annals of Geophysics, 2001
Very high frequency deep radio sounding systems for ice thickness measurements are practically the only useful apparatuses for large scale radar flight surveys in polar regions. The morphology of the bottom surface of an Antarctic floating ice tongue, in
E. Zuccheretti, A. Zirizzotti, I. E. Tabacco, M. Chiappini, C. Bianchi   +4 more
doaj   +1 more source

Radio Echo Sounding: Brine Percolation Layer [PDF]

Journal of Glaciology, 1973
AbstractAn abrupt change in radio echo sounding travel time was observed on the ice shelf near McMurdo station, Antarctica, and was mapped by a zig-zag traverse. This boundary corresponds to the horizontal extent of brine penetration into the edge of the ice shelf.
openaire   +1 more source

Radioglaciological studies on Hurd Peninsula glaciers, Livingston Island, Antarctica [PDF]

, 2009
We present the results of several radio-echo sounding surveys carried out on Johnsons and Hurd Glaciers, Livingston Island, Antarctica, between the 1999/2000 and 2004/05 austral summer campaigns, which included both radar profiling and common-midpoint ...
Ahlstrom, L.P., Lapazaran Izargain, Javier Jesús, Macheret, Yu, Machío, F., Navarro Valero, Francisco Jose, Otero García, Jaime, Vasilenko, Evgeniy   +6 more
core   +2 more sources

Detecting and Searching for subglacial lakes through airborne radio-echo sounding in Princess Elizabeth Land (PEL), Antarctica

E3S Web of Conferences, 2020
Over 400 subglacial lakes were discovered in Antarctica through radio-echo sounding (RES) method and remote sensing. Subglacial lakes have significance in lubricating ice-bedrock interface and enhancing ice flow.
X. Cui, S. Lang, Jingxue Guo, Bo Sun
semanticscholar   +1 more source

Radio echo sounding survey along the profile of the JARE-43 seismic exploration on the Mizuho Plateau, East Antarctica

Antarctic Record, 2003
A seismic exploration was conducted in the austral summer of 2001-2002 by the 43rd Japanese Antarctic Research Expedition (JARE-43) on the Mizuho Plateau, East Antarctica.
Masamitsu Takada, Shigeru Toda, Daisuke Kamiya, Takeshi Matsushima, Hiroki Miyamachi   +4 more
doaj   +1 more source

Narrative of Chain cruise #17, phase I : St. George, Bermuda, to Freetown, Sierra Leone, 19 February - 22 March 1961 [PDF]

, 1964
The journal of a cruise of R/V CHAIN from Bermuda to Freetown, Sierra Leone during February and March, 1961, is the basis of this report. Location of observations are given.
Bunce, Elizabeth T., Voorhis, Arthur D.
core   +1 more source

Radio Echo Sounding (RES) investigations at Talos Dome (East Antarctica): bedrock topography and ice thickness

Annals of Geophysics, 2003
Radio echo sounding measurements were collected during two Antarctic expeditions to determine the ice thickness and the sub-glacial morphology of Talos Dome in the region around 72°48'S; 159°06'E (about 6400 km2) on the edge of the East ...
I. E. Tabacco, M. Frezzotti, A. Forieri, P. De Michelis, L. Cafarella, C. Bianchi, A. Zirizzotti   +6 more
doaj   +1 more source

Radiofrequency ice dielectric measurements at Summit Station, Greenland

Journal of Glaciology, 2023
We recently reported on the radio-frequency attenuation length of cold polar ice at Summit Station, Greenland, based on bi-static radar measurements of radio-frequency bedrock echo strengths taken during the summer of 2021.
Juan Antonio Aguilar, Patrick Allison, Dave Besson, Abby Bishop, Olga Botner, Sjoerd Bouma, Stijn Buitink, Maddalena Cataldo, Brian A. Clark, Kenny Couberly, Zach Curtis-Ginsberg, Paramita Dasgupta, Simon de Kockere, Krijn D. de Vries, Cosmin Deaconu, Michael A. DuVernois, Anna Eimer, Christian Glaser, Allan Hallgren, Steffen Hallmann, Jordan Christian Hanson, Bryan Hendricks, Jakob Henrichs, Nils Heyer, Christian Hornhuber, Kaeli Hughes, Timo Karg, Albrecht Karle, John L. Kelley, Michael Korntheuer, Marek Kowalski, Ilya Kravchenko, Ryan Krebs, Robert Lahmann, Uzair Latif, Joseph Mammo, Matthew J. Marsee, Zachary S. Meyers, Kelli Michaels, Katharine Mulrey, Marco Muzio, Anna Nelles, Alexander Novikov, Alisa Nozdrina, Eric Oberla, Bob Oeyen, Ilse Plaisier, Noppadol Punsuebsay, Lilly Pyras, Dirk Ryckbosch, Olaf Scholten, David Seckel, Mohammad Ful Hossain Seikh, Daniel Smith, Jethro Stoffels, Daniel Southall, Karen Terveer, Simona Toscano, Delia Tosi, Dieder J. Van Den Broeck, Nick van Eijndhoven, Abigail G. Vieregg, Janna Z. Vischer, Christoph Welling, Dawn R. Williams, Stephanie Wissel, Robert Young, Adrian Zink   +67 more
doaj   +1 more source