Opened 3 years ago

Closed 3 years ago

#2124 closed Bug (wontfix)

Unmasked avmu and avmv in GLS scheme for jk=jpk (with explicit bottom friction only) creates spurious mixing

Reported by: jchanut Owned by: jchanut
Priority: low Milestone: Unscheduled
Component: OCE Version: release-3.6
Severity: minor Keywords:
Cc: Branch review:
MP ready?: Task progress:



Vertical viscosities at U and V points (avmu, avmv) are not masked in GLS scheme at very last level (jpk).


If number of wet cells equals jpk-1, this triggers issues at the bottom. Note that this problem only occurs if ln_bfrimp=.false. (i.e. not the usual case) because avmu and avmv are indeed set to zero in dynzdf_imp if ln_bfrimp=.true.. This a priori only concerns NEMO_3_6_STABLE.


Extend masking of avmu/avmv in GLS from jpkm1 to jpk.

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comment:1 Changed 3 years ago by jchanut

  • Resolution set to wontfix
  • Status changed from new to closed
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