Sedimentation of tracers in the generic PCM

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IMPORTANT: This page concerns the newsedim routine in the Generic physics package (by the way the latest version may be checked here on the trac: https://trac.lmd.jussieu.fr/Planeto/browser/trunk/LMDZ.GENERIC/libf/phystd/newsedim.F

Overview of the newsedim routine

This routine handles the sedimentation of non-gaseous tracers by computing the sedimentation velocity of particles. This requires handling each particle of a given type (fixed radius and density, but also shape) at a time.

Detailed description of assumptions and computations

TODO: By Benjamin?

Some references

  • Stokes law corrected for low pressure by the Cunnigham slip-flow correction according to Rossow (1978, https://doi.org/10.1016/0019-1035(78)90072-6 )
  • Estimation of the viscosity and the mean molecular radius of the gas mixture composing the atmosphere: ... Kunze et al. 2022, Ackerman & Marley 2001, etc.
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