Abstract
Three new samplers were developed for detailed analysis of the three-dimensional characteristics of frazil ice deposits beneath an ice cover. These samplers obtain in-situ bulk, hollow core and flat plate samples of the deposits through 200-mm-diameter access holes. The samples provide information on a deposit's internal structure, stratigraphy and sedimentology, geometry and physical properties, and lateral and vertical variabilities of each. When used as part of a comprehensive field program, the data provide information required for interpreting mechanisms of frazil transport and deposition, and for analyzing the dynamic interaction of frazil deposits with winter river processes.
Published Version
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