Survival in Cold Water
Abstract In comparison to other types of cold exposure, immersion in cold water encompasses a special set of biological concerns because of the rapidity with which the human body cools in water. Water has a thermal conductivity 22 times that of air and a heat capacity 3550 times that of air. Compare...
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| Format: | Book Part |
| Language: | unknown |
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Oxford University PressNew York, NY
2003
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| Online Access: | http://dx.doi.org/10.1093/oso/9780195165012.003.0011 https://academic.oup.com/book/chapter-pdf/52509092/isbn-9780195165012-book-part-11.pdf |
| Summary: | Abstract In comparison to other types of cold exposure, immersion in cold water encompasses a special set of biological concerns because of the rapidity with which the human body cools in water. Water has a thermal conductivity 22 times that of air and a heat capacity 3550 times that of air. Compared to marine mammals, such as whales, seals, and walruses, and aquatic Arctic animals, such as the polar bear, the ability of the human body to tolerate immersion in cold water is negligible. This poor tolerance of cold water is directly related to lack of body insulation, such as blubber, with which to retain the metabolic heat of the body. The point is amply illustrated by the appalling history of loss of life in shipwrecks at sea in the northern and southern latitudes of the world. |
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