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OpenIFS includes a number of idealised configurations. In this article we explain how to setup and run a shallow-water model:

  • semi-Lagrangian or Euler timestepping
  • idealized (e.g. Rossby-Haurwitz wave) or real single level field.

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Configuration

 

The shallow-water (SW) configuration is one of many that exist in IFS. The configuration is given by the variable NCONF in namelist NAMCT0 (see yomct0.F90). The normal 3D primitive equation configuration uses NCONF=1. For the 2D SW configuration, NCONF=201, and NCONF=202 is the vorticity equation model.

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