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Atmospheric drag coefficients over sea ice — validation of a parameterisation concept Cover

Atmospheric drag coefficients over sea ice — validation of a parameterisation concept

Open Access
|Jan 2002

Abstract

The concept of drag partitioning to parameterise the surface roughness of sea ice is validated using topography data of regions with high sea ice concentrations. The parameterised drag is compared to measurements obtained by aircraft and ship. The form drag can well be expressed as a function of mean ridge heights and spacings averaged over flight legs of 12 km, if an improved approximation for the coefficient of resistance of a single ridge is used. We find a good agreement between the parameterised and observed drag coefficients. The highest sea ice roughness was encountered close to coastal regions and the lowest in the central Arctic.

Language: English
Page range: 205 - 219
Submitted on: Oct 10, 2000
Accepted on: Oct 29, 2001
Published on: Jan 1, 2002
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 2002 Thomas Garbrecht, Christof Lüpkes, Jörg Hartmann, Mareile Wolff, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.