The first phase of this process was the comparison of statistical parameters from analyses carried out by degree of latitude, cognizant of the summer collection period of the 1996 cruise. The second phase was a closer examination of instrument differences and how these might influence current selection criteria in statistical analysis. The final phase has been the consolidation of further data from 1976 and 1991 to permit the comparison of ...
The thermodynamic conditions within the seasonally frozen active layer overlying permafrost in the Caribou-Poker Creeks Research Watershed in Alaska are such that there is continuing translocation of water and ice, and the displacement of soil particles. The introduction of immiscible hydrocarbon compounds from two large scale winter and summer experimental crude oil spills into this dynamic porous medium results in microstructural changes that take place ...
An analysis of upward looking and sidescan sonar data collected by the Royal Navy in a series of submarine voyages between 1976 and 1996 will be carried out and presented in an agreed statistical format for comparison with U. S. datasets in collaboration with Dr. W. B. Tucker III at CRREL (U.S./UK agreements on data presentation). The analyzed data will be included in an international data ...
A complex numerical model to compute the behaviour of an arbitrarily shaped ice floe in ocean waves is proposed and discussed. The model has two independent and decoupled phases: firstly the motions and pressures are found for a totally rigid ice floe; and secondly the assumption of rigidity is relaxed so that the flexure may be computed from the under-ice pressure loading. Finite element techniques are used in the latter ...
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