A front-resolving sigma coordinate sea model with a simple hybrid advection scheme

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Abstract

A three-dimensional sigma coordinate finite difference numerical model with a free surface is applied to the problem of eddy growth on marine fronts. It gives similar results to those of a previous rigid lid model, predicting, in particular, the appearance of an anticyclonic 'whirl' in a flow resembling the Norwegian coastal current. Three advection schemes are considered; these are upwind differencing, which introduces numerical diffusion, centred differencing, which introduces spurious density values and ripples near the front, and a hybrid scheme, retaining the positivity of the upwind scheme but reducing the numerical diffusion. © 1986.

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APA

James, I. D. (1986). A front-resolving sigma coordinate sea model with a simple hybrid advection scheme. Applied Mathematical Modelling, 10(2), 87–92. https://doi.org/10.1016/0307-904X(86)90076-4

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