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Ocean climate modeling

Ocean climate modeling. Matthew Hecht Los Alamos National Laboratory. Part 1: WHAT’S IN A MODEL? . Incompressible Navier -Stokes Eqns , but with: Hydrostatic pressure Shallow depth, relative to rotationally-constrained horizontal scales Boussinesq approximation usually made

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Ocean climate modeling

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  1. Ocean climate modeling Matthew Hecht Los Alamos National Laboratory

  2. Part 1: WHAT’S IN A MODEL?

  3. Incompressible Navier-Stokes Eqns, but with: Hydrostatic pressure Shallow depth, relative to rotationally-constrained horizontal scales Boussinesq approximation usually made Ignore variations in density, , except in pressure gradient term Primitive Equation Ocean Models

  4. Horizontal grid is usually fixed, orthogonal Vertical grid can be: Fixed vertical, independent of x, y and t (Z-grid) or slight variants thereof Density, as in a stacked shallow water (isopycnal, or layered model) Terrain-following (sigma) Arbitrary Lagrangian/Eulerian (ALE) Ocean model grids

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