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CICE-Consortium / Icepack

Development repository for sea-ice column physics
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documentation for calc_dragio and formdrag options #407

Open eclare108213 opened 1 year ago

eclare108213 commented 1 year ago

The current documentation is difficult to find and perhaps confusing. E.g. calc_dragio is listed in the index and case settings, but isn't mentioned in the text where it's used. I initially thought it was a variable-drag formulation, but that doesn't seem to be the case.

The form drag documentation also needs to be reviewed and clarified, if needed.

Is it possible that calc_dragio and formdrag might both be set to .true., and would that be a consistent and meaningful configuration?

phil-blain commented 11 months ago

 The current documentation is difficult to find and perhaps confusing. E.g. calc_dragio is listed in the index and case settings, but isn't mentioned in the text where it's used.

This is addressed in #466.

phil-blain commented 11 months ago

 Is it possible that calc_dragio and formdrag might both be set to .true., and would that be a consistent and meaningful configuration?

I guess it would be possible but it would not change the answers that much I think (compared to just formdrag=.true.). dragio is used to initialize Cdn_ocn in neutral_drag_coeffs, but then it is overwritten if aice > p001. So you get a value of dragio only for these small concentrations.