Definitions
from The Century Dictionary.
- noun A ridge produced in a solidifying lava by the influence of a force applied in the flowing of subcrustal molten matter. These ridges vary in size, with the energy of the movement and the thickness of the forming crust, from a few inches to 30 feet in height. The term was introduced by I. C. Russell.
Etymologies
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Examples
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Securely roped together we made our way down, until our progress was stopped by a huge pressure-ridge, which, as far as could be made out, formed the boundary between land and sea-ice.
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Sea-ice pressure-ridge keels and icebergs scour the seabed, resulting in a characteristic roughened or ploughed seabed morphology that may affect resuspension rates and could change the degree of consolidation of the seabed surface.
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Changing sea-ice regimes will also affect pressure-ridge development, which will change under-ice circulation, but the direction of change is uncertain.
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The creature was loping along behind him, dodging the same jagged seracs and pressure-ridge slabs that Blanky was clumsily slaloming around in the dark.
The Terror Simmons, Dan 2007
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Goodsir looked out at the cracking, shifting, pressure-ridge surging ice jumble stretching south below low, grey snow clouds.
The Terror Simmons, Dan 2007
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Securely roped together we made our way down, until our progress was stopped by a huge pressure-ridge, which, as far as could be made out, formed the boundary between land and sea-ice.
The South Pole; an account of the Norwegian antarctic expedition in the 'Fram', 1910 to 1912 2003
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I suppose it was an old crevasse filled with soft snow, or perhaps one of the pressure-ridge hollows which had been recently drifted up.
The Worst Journey in the World Antarctic 1910-1913 Apsley Cherry-Garrard 1922
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During the short lull, Jones, Dovers and Hoadley took a sledge for a load of ice from a pressure-ridge rather less than two hundred yards from the hut.
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920
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At 1 P.M. we left the hut, making an east-south-east course to clear a pressure-ridge; altering the course once more to south-east.
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 Douglas Mawson 1920
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Securely roped together we made our way down, until our progress was stopped by a huge pressure-ridge, which, as far as could be made out, formed the boundary between land and sea-ice.
The South Pole; an account of the Norwegian Antarctic expedition in the "Fram," 1910-12 — Volume 1 and Volume 2 Roald Amundsen 1900
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