The Percolation Phase Transition in Sea Ice-Reference-Cited by-同舟云学术

The Percolation Phase Transition in Sea Ice

Published:1998-12-18 Issue:5397 Volume:282 Page:2238-2241
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Golden K. M.¹,Ackley S. F.¹,Lytle V. I.¹

Affiliation:

1. K. M. Golden, Department of Mathematics, University of Utah, Salt Lake City, UT 84112, USA. S. F. Ackley, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH 03755, USA. V. I. Lytle, Antarctic Cooperative Research Centre and Australian Antarctic Division, University of Tasmania, Hobart, Tasmania 7001, Australia.

Abstract

Sea ice exhibits a marked transition in its fluid transport properties at a critical brine volume fraction p c of about 5 percent, or temperature T c of about –5°C for salinity of 5 parts per thousand. For temperatures warmer than T c , brine carrying heat and nutrients can move through the ice, whereas for colder temperatures the ice is impermeable. This transition plays a key role in the geophysics, biology, and remote sensing of sea ice. Percolation theory can be used to understand this critical behavior of transport in sea ice. The similarity of sea ice microstructure to compressed powders is used to theoretically predict p c of about 5 percent.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference31 articles.

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