The brine and gas content of sea ice with attention to low salinities and high temperatures

Leppäranta, Matti and Manninen, Terhikki (1988) The brine and gas content of sea ice with attention to low salinities and high temperatures. Helsinki, Finland, Finnish Institute of Marine Research, 15pp. (Finnish Institute of Marine Research Internal Report,1988-2)

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Abstract

Based on the well known sea ice phase diagram, equations are derived for determining the brine and gas content of sea Ice for high temperatures (range 0 to -2 °C) and low salinities. The presently widely used equations of Cox and Weeks (1982) are valid only for temperatures below -2°C. Fresh-water ice is used as a boundary condition for the equations. The relative salt concentrations in brine are_assumed to be the same as in normal (or standard) seawater. Two sets of equations are presented: 1) accurate formulae based on UNESCO standard sea water equations, and 2) approximate formulae based on general properties of weak solutions. The approximate formulae are not essentially different from the classical system which basically assumes the freezing point to be a linear function of fractional salt content. The agreement between the two approaches is excellent and the approximate system is good enough for most applications.

Item Type: Monograph or Serial Issue
Title: The brine and gas content of sea ice with attention to low salinities and high temperatures
Personal Creator/Author:
CreatorsEmail
Leppäranta, Mattimatti.lepparanta@helsinki.fi
Manninen, Terhikki
Corporate Creator/Author: Finnish Institute of Marine Research
Series Name: Finnish Institute of Marine Research Internal Report
Volume: 1988
Number: 2
Number of Pages: 15
Date: 1988
Publisher: Finnish Institute of Marine Research
Place of Publication: Helsinki, Finland
Issuing Agency: Finnish Institute of Marine Research
Subjects: Chemistry
Oceanography
Item ID: 6760
Depositing User: Mr. Brian Voss
Date Deposited: 07 Oct 2011 13:09
Last Modified: 07 Oct 2011 13:09
URI: http://aquaticcommons.org/id/eprint/6760

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