Author(s): Max D. Coon; Douglas C. Echert; Gerald S. Knoke
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Abstract: This paper describes a methodology to determine pack-ice stress from local sea-ice stress measurements made with flatjack sensors. The methodology was developed from, and applied to, measurements taken during the U. S. Navy Office of Naval Research Sea Ice Mechanics Initiative field program. The gauges used were automatically able to test the ice/sensor contact at intervals during the long, unattended measurement period. On-site calibrations conducted in the local ice sheet were used as input for the calculation procedure. The most significant steps of the process are corrections for the time-dependent behavior of the ice and corrections for thermallyinduced stress. The procedure is explained and illustrated with data. A three-month time history of pack ice stress is presented.
Year: 2004