Results 31 to 40 of about 587 (178)

Changes in area, flow speed and structure of southwest Antarctic Peninsula ice shelves in the 21st century

Journal of Glaciology, 2022
Since the mid-20th century, ice shelves around the Antarctic Peninsula have declined in extent and thickness, and some have shown signs of structural instability.
Tom Holt, Neil F Glasser
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Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves

Nature Communications, 2019
Suture zones are abundant on Antarctic ice shelves and widely observed to impede fracture propagation. Here we show that fracture detainment is principally controlled by the zones’ enhanced seawater contents, reducing fracture-driving stresses by orders ...
Bernd Kulessa, Adam D. Booth, Martin O’Leary, Daniel McGrath, Edward C. King, Adrian J. Luckman, Paul R. Holland, Daniela Jansen, Suzanne L. Bevan, Sarah S. Thompson, Bryn Hubbard   +10 more
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Deep ice core drilling to a depth of 3035.22 m at Dome Fuji, Antarctica in 2001–07

Annals of Glaciology, 2021
The Japanese second deep ice coring project was carried out at Dome Fuji, Antarctica. Following the drilling of the pilot hole in 2001, deep ice core drilling led by the Japanese Antarctic Research Expedition (JARE) was conducted over four austral summer
Hideaki Motoyama, Akiyoshi Takahashi, Yoichi Tanaka, Kunio Shinbori, Morihiro Miyahara, Takayasu Yoshimoto, Yoshiyuki Fujii, Atsushi Furusaki, Nobuhiko Azuma, Yukio Ozawa, Akio Kobayashi, Yasushi Yoshise   +11 more
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Geothermal Heat Flux Reveals the Iceland Hotspot Track Underneath Greenland

Geophysical Research Letters, 2018
Curie depths beneath Greenland are revealed by spectral analysis of data from the World Digital Magnetic Anomaly Map 2. A thermal model of the lithosphere then provides a corresponding geothermal heat flux map.
Yasmina M. Martos, Tom A. Jordan, Manuel Catalán, Thomas M. Jordan, Jonathan L. Bamber, David G. Vaughan   +5 more
doaj   +1 more source

Towards Bedmap Himalayas: development of an airborne ice-sounding radar for glacier thickness surveys in High-Mountain Asia

Annals of Glaciology, 2020
The thickness of glaciers in High-Mountain Asia (HMA) is critical in determining when the ice reserve will be lost as these glaciers thin but is remarkably poorly known because very few measurements have been made.
H. D. Pritchard, E. C. King, D. J. Goodger, M. McCarthy, C. Mayer, R. Kayastha   +5 more
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The sensitivity of Cook Glacier, East Antarctica, to changes in ice-shelf extent and grounding-line position

Journal of Glaciology, 2022
The Wilkes Subglacial Basin in East Antarctica contains ice equivalent to 3–4 m of global mean sea level rise and is primarily drained by Cook Glacier.
James R. Jordan, G. Hilmar Gudmundsson, Adrian Jenkins, Chris R. Stokes, Bertie W. J. Miles, Stewart S. R. Jamieson   +5 more
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Report of the Wintering Party of the 11th Japanese Antarctic Research Expedition in 1970-1971 (Reports of the Japanese Antarctic Research Expedition)

Antarctic Record, 1972
1. The 11th Wintering party of the Japanese Antarctic Research Expedition (1969-1971) led by T. MATSUDA consisted of thirty members. The items of the research programmes were as follows : aurora, cosmic rays, geomagnetism, ionosphere, radio physics ...
Tatsuro MATSUDA
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Pure rotational Raman spectroscopy applied to N2/O2 analysis of air bubbles in polar firn

Journal of Glaciology, 2021
Earlier gas measurements of firn air (atmosphere in open pore channels) at polar sites have revealed the occurrence of gas fractionation phenomena during bubble close-off, in addition to well-known thermal and gravitational gas separation.
Hiroshi Ohno, Yoshinori Iizuka, Shuji Fujita   +2 more
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Examining the effect of ice dynamic changes on subglacial hydrology through modelling of a synthetic Antarctic glacier

Journal of Glaciology, 2023
Hydrologic pathways beneath ice sheets and glaciers play an important role in regulating ice flow. Antarctica has experienced, and will continue to experience, changes in ice dynamics and geometry, but the associated changes in subglacial hydrology have ...
Anna-Mireilla Hayden, Christine F. Dow
doaj   +1 more source

Application of Synthetic Aperture Radar (SAR) Imagery on Antarctic Glaciology

Antarctic Record, 1995
Antarctic sea ice and ice sheet were studied using the ERS-1 and JERS-1 SAR images received at Syowa Station in 1991-1993. Analysis was mainly done for sea ice in Lutzow-Holm Bay, ice streams flowing into the bay, ice sheet near the coast and inland ...
Akira TAKAHASHI, Yoshiyuki FUJII, Kohei CHO, Fumihiko NISHIO, Teruo FURUKAWA, Okitsugu WATANABE   +5 more
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