1 - 6 of 6 articles
Abstract The performance of two Canadian land surface schemes of widely differing complexity is compared and contrasted in a pair of year‐long simulations using the GCM developed at Atmospheric Environment Service, Canada. The old land surface model incorporates the force‐restore method for soil...
Abstract Once or twice in a decade, reversals of the Beaufort Gyre in the Arctic Ocean close the shore lead along the North American coast in summer. This occurred in 1991, causing heavy ice conditions which severely hindered the annual re‐supply by sea of communities in the western Canadian...
Abstract Evaluating horizontal gradients in three‐dimensional shallow water models that use bottom‐following sigma coordinates can lead to large errors near steep bathymetry. A technique that has been proposed to minimize this problem involves computing horizontal gradients in cartesian...
Abstract Numerical models can show large errors in the modelling of flow around tall topography. We present a weakly nonlinear analytical solution of barotropic oscillatory flow over a tall axisymmetric seamount and compare the results to a numerical tidal model. The comparison is formulated for...
Abstract Several sets of previously compiled data on iceberg size distributions in areas between North America and Greenland are compared and analyzed. The obtained results indicate that populations of icebergs with lengths L ≥ 20 m are well‐described by log‐normal and gamma distributions...
Abstract A procedure is presented for mapping regularly spaced grid indices into smoothly varying grid‐cell‐top heights. The total vertical domain is split into three regions of arbitrary vertical extent: a bottom region of uniform‐size grid cells; a top region of uniform‐size cells (but...
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