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RRS James Clark Ross - Ice Strengthened Antarctic Supply and Survey Ship
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Erebus / Terror: Ross-Antarctica Franklin-Arctic Franklin time-line Franklin-Map | Fram Fram 2 | Nimrod | Terra Nova
Modern: Ice-strengthened and icebreakers | James Clark Ross | Kapitan Khlebnikov | Yamal
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The James Clark Ross is an Antarctic supply and survey ship belonging to the British Antarctic Survey. She is ice strengthened, rather than being an ice breaker and represents a typical compromise solution for the resupply of Antarctic bases and for ship-based scientific work.
She can't get through thick consolidated sea ice, but that occurs very infrequently in the Antarctic summer itinerary of a supply ship, so for most of the time, simply avoiding the heavy stuff is sufficient.
The James Clark Ross was built at Swan Hunters shipyard Newcastle-Upon-Tyne and launched on the 1st of December 1990. She was built specifically for the British Antarctic Survey.
Each year she leaves the UK for the Antarctic laden with supplies for British Antarctic and sub-Antarctic bases. She stays in the southern ocean for the austral summer carrying out oceanographic and biological survey work in between supplying and re-supplying the bases and moving personnel around. Before the start of the Antarctic winter, she heads back to the UK again returning equipment, garbage to be disposed of and last but by no means least, returning Antarctic base members who have been away from the UK from just a few months to nearly two and a half years.
Length: 99.04m, Breadth:
18.85m, Draft: 6.4m
10cm x 10cm weighs more than 1.6kg
Very "clean" hull with nothing sticking out that might get damaged or knocked off by the ice. This makes for a less stable passage in open waters however.
Cooling system has a mechanism to prevent ice being sucked in and causing a blockage. Used warmed water is sprayed back over any ice blocks that may cause problems to help free up the flow when moving through heavy ice.
Ability to pump water rapidly from one side of the ship to the other causing a small roll that aids passage when breaking ice.
Bow and stern thrusters to help steering in confined spaces, can also be used to loosen ice at the bow and stern.
Powerful winches and an open "gate" at the stern for operating trawl nets or towing various surveying devices behind the ship.
Series of laboratories on board for analysis of water, biological specimens or other oceanographic data collected.
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