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firn |
Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson | 0.06 sec. |
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firn [fərn] (hydrology) Material transitional between snow and glacier ice; it is formed from snow after existing through one summer melt season and becomes glacier ice when its permeability to liquid water drops to zero. Also known as firn snow. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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FIRN enabled Walsh to receive post-transplant care by providing funding for temporary housing near UCLA, and Kaiser provided transportation from Walsh's home to UCLA's Westwood campus. Since snow and ice can serve as natural archives for atmospheric events, one may expect to find chemical evidence of prior years' fire seasons in snowpits, firn, and ultimately ice cores. About a quarter of that shrinkage, or 7 cm, may have resulted from snow packing down into denser material called firn, says Andrew Shepherd, a glaciologist at the University of Cambridge in England. |
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