Abstract
The instruments developed and operational experience gained in the measurement of strain rates and stresses in floating sea ice are described to indicate the total global loads occurring naturally against an artificial island or similar structure. A delta strainmeter and a thin-disk stress sensor were developed to service particular measurement needs for which suitable equipment was not available. The loading conditions studied have included slow-moving winter first-year ice at Tarsiut, Mukluk, and Kaubvik Islands in the Beaufort Sea, freely moving summer multiyear ice at Hans Island, and a pack-ice mixture at Katie's Floeberg. The instruments have also been deployed on a surging glacier on Spitzbergen in Norway. >
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