Laboratory and Numerical Studies of Ocean Circulation in the Presence of Islands

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Helfrich 9616949 Laboratory experiments and numerical studies of planetary- scale flow in multiply connected domains will be conducted to examine circulation features (e.g. recirculation zones, zonal jets and flow separation) that are induced by islands and to explore the validity of the linear Island Rule developed by Godfrey. The experimental work will begin with an examination of flow in the barotropic lid- driven sliced cylinder analogue of the beta plane. A number of island geometries will be examined and the effects of stratification will be added. A companion numerical study using the Miami Isopycnic coordinate model (MICOM) will be undertaken for comparison with the experiments.