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Arakawa Jacobian Scheme Overview by mak112005gmail is a document available to read on EtoBox.
What is Arakawa Jacobian Scheme Overview about?
The Arakawa Jacobian scheme is a finite-difference approximation to the Jacobian operator that conserves both kinetic energy and enstrophy in the vorticity equation. It uses a 5-point or 9-point grid to calculate the Jacobian terms through central differencing. Arakawa showed that taking the average of the three Jacobian formulations conserves both enstrophy and kinetic energy, which single formulations do not. This scheme prevents non-physical instabilities in numerical weather prediction models.
- Author
- mak112005gmail
- Language
- EN