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A single-column TEOS-10 testI'm starting work on a single-column test for TEOS-10 and non-Boussinesq. This will first just verify that Omega's |
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A two-column HPGF testI plan to follow up the single-column test with a two-column tests for verifying the horizontal pressure-gradient force (HPGF). This test will compute a series of reference pseudo-heights at layer midpoints and at the horizontal midpoint between the two columns (i.e. at locations corresponding to normal velocities in Omega). It will then use quadrature methods to compute the geopotential from each water column at each reference pseudo-height, and finally use finite difference to compute the horizontal gradient (at constant pseudo-height) to compute the HPGF. In the limit that the distance between the two columns is small, the HPGF computed by this method should have much smaller error than even higher-order methods in Omega. Note: there may be ways to use partial derivatives to relate the HPGF to the horizontal gradients of CT and SA (which will be known by construction) but this may prove tricky because of the integral relationship between geopotential and specific volume. |
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Are there tests that we could design that would be specific to TEOS/non-Boussinesq features? One example would be a change in the volume of a water column following vertical displacement of a water parcel.
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