Abstract
Abstract Analysis of CTD, Batfish and drifter data collected in the southern Labrador marginal ice zone during LIMEX (Labrador Ice Margin Experiment) in 1987 shows strong evidence of upwelling at the ice edge. The most clear indication of the upwelling is the rise of isopycnals and the increase of surface density near the ice edge. The upwelling zone has a width of 6 km extending from the ice edge, and an upwelling depth of at least 100 m. The existence of the upwelling zone along the ice edge is shown to be related to the character of the ice edge. Upwelling is more likely to occur at sharp and compacted ice edges. A two‐dimensional coupled ice‐ocean dynamical model of a continuously stratified ocean with a coastal boundary on a sloping bottom is used to study the dynamics of ice‐edge upwelling. The model results are in qualitative agreement with observations. A sensitivity analysis of the model is presented.
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