http://www.wiki.mohid.com/index.php?action=history&feed=atom&title=Quasi-geostrophic_equations 2026-04-04T21:14:32Z Revision history for this page on the wiki MediaWiki 1.28.0 http://www.wiki.mohid.com/index.php?title=Quasi-geostrophic_equations&diff=796&oldid=prev 2008-12-03T10:39:02Z

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Guillaume http://www.wiki.mohid.com/index.php?title=Quasi-geostrophic_equations&diff=795&oldid=prev 2007-02-11T17:36:35Z

<p></p> <p><b>New page</b></p><div>Geostrophic <br /> ow means a stationary <br /> ow where the Coriolis force is balanced<br /> by the pressure gradient. This has several implications<br /> * the flow is stationary,<br /> * any flow that satisfies the geostrophic momentum equations also satisfies exactly the continuity equation,<br /> * the horizontal flow is vertically independent,<br /> * no divergent or convergent flow is allowed.<br /> Consider the horizontal momentum equations for an inviscid <br /> uid under the ''beta'' plane approximation. <br /> Also, the flow is nearly geostrophic, but not quite,<br /> so we will consider the full equations<br /> <br /> &lt;math&gt;\frac{D\,u}{Dt} - f\,v = -\frac{1}{\rho}\frac{\partial p}{\partial x}&lt;/math&gt;</div>

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