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Development of frazil modelling in ice shelf water plumes

Holland, P. R. and Feltham, D. L. (2004) Development of frazil modelling in ice shelf water plumes. In: Forum for Research into Ice Shelf Processes (FRISP). Report, 15. FRISP, pp. 31-35.

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Abstract Preliminary results are presented from a modelling study directed at the spatial variation of frazil ice formation and its effects on flow underneath large ice shelves. The chosen plume and frazil models are briefly introduced, and results from two simplified cases are outlined. It is found that growth and melting dominate the frazil model in the short term. Secondary nucleation converts larger crystals into several nuclei due to crystal collisions (microattrition) and fluid shear and therefore governs the ice crystal dynamics after the initial supercooling has been quenched. Frazil formation is found to have a significant depth-dependence in an idealised study of an Ice Shelf Water plume. Finally, plans for more extensive and realistic studies are discussed.

Item Type:Book or Report Section
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:35325

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