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The thickness distribution of sea ice
Journal of Geophysical Research, 1975The polar oceans contain sea ice of many thicknesses ranging from open water to thick pressure ridges. Since many of the physical properties of the ice depend upon its thickness, it is natural to expect its large-scale geophysical properties to depend on the relative abundance of the various ice types.
A. S. Thorndike +3 more
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Ice Thickness Distribution Test
1998Abstract : Our long term goal is to undertake an experiment that will test the theory of how sea ice thickness distribution is changed by thermodynamics and by large-scale deformation. The minimal experiment envisaged involves two sequential surveys of ice draft in some region by an upward-looking sonar carried on a submarine.
Alan S. Thorndike +2 more
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Equilibrium Thickness of Ice Jams
Journal of the Hydraulics Division, 1977By equating the kinetic energy of ice floes carried by a stream to the potential energy they acquire when submerged, a relationship was derived between the mean velocity of the approach flow and the average thickness of the stable ice jam formed only by accumulation and transport of floes.
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A thermal ice drill for profiling thick multiyear ice
Cold Regions Science and Technology, 1987Abstract An open-system hot water drill for arctic winter operation was developed to rapidly penetrate thickice features for the purpose of measuring ice thickness and for placing instrumentation into and beneath the ice. The thermal drill is composed of five modules, which can be quickly joined or disassembled.
J.P. Poplin +2 more
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Sea ice deformation and sea ice thickness change
2022The Arctic Ocean is undergoing a major transition from a year-round sea ice cover to ice-free summers with global consequences. Sea ice thickness is at the center of the ongoing changes because the thickness regulates key processes of the Arctic climate system and in the last six decades, the mean thickness has more than halved.
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Microwave Ice Thickness Sensor
1971 IEEE GMTT International Microwave Symposium Digest, 1971This paper describes a method of measuring ice thickness with a microwave spectrometer operating in the 800 MHz - 4 GHz region of the electromagnetic spectrum.
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Apparatus and method for detection of icing onset and ice thickness
The Journal of the Acoustical Society of America, 1994An apparatus and method for detection of icing onset and ice thickness upon an accretion surface utilizing ultrasonic echo ranging techniques, including propagation of ultrasonic waves through a buffer block. A portion of the wave energy is reflected by reference reflection means and another portion of the wave energy is propagated to the ice accretion
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Sea Ice Thickness in the Western Ross Sea
Geophysical Research Letters, 2021Daniel David Frederick Price +2 more
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