Title :
Stress and strain instruments developed for field measurements of ice
Author :
Duckworth, Roger ; Westerman, P.H.
Author_Institution :
BP Res. Centre, Sunbury-on-Thames, UK
fDate :
4/1/1989 12:00:00 AM
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
Keywords :
oceanographic equipment; oceanographic techniques; oceanography; sea ice; strain measurement; stress measurement; Beaufort Sea; Hans Island; Katie´s Floeberg; Kaubvik Island; Mukluk Island; Spitzbergen; Svalbard; Tarsiut Island; artificial island; delta strainmeter; floating sea ice; freely moving summer multiyear ice; ice stress measuring instruments; loading conditions; operational experience; pack-ice mixture; slow-moving winter first-year ice; strain measuring instruments; strain rates; stresses; surging glacier; thin-disk stress sensor; total global loads; Arctic; Capacitive sensors; Current measurement; Instruments; Sea ice; Sea measurements; Strain measurement; Stress measurement; Thermal sensors; Thermal stresses;
Journal_Title :
Oceanic Engineering, IEEE Journal of
