Opened 4 months ago

Closed 3 months ago

#2481 closed Defect (fixed)

Minor bug in PISCES

Reported by: cetlod Owned by: systeam
Priority: low Milestone:
Component: PISCES Version: 4.0-HEAD
Severity: minor Keywords:
Cc:

Description

Context

2 minor bugs have been identified in PISCES model :

  • the time-step used to compute PISCES 3D trends is wrong.
  • the need to include a threshold values to avoid huge concentration, especially on river mouths

Analysis

The tracer time-step rfact ( rather than rfact2) must be used to compute the 3D PISCES trend, since all the biological processes have been already included in trb(:,:,:,:)

Recommendation

In routine p4zsms.F90, simply change the line

ztrdt(:,:,:,jn) = ( trb(:,:,:,jn) - ztrdt(:,:,:,jn) ) * rfact2r 

with

ztrdt(:,:,:,jn) = ( trb(:,:,:,jn) - ztrdt(:,:,:,jn) ) * rfactr

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Change History (1)

comment:1 Changed 3 months ago by cetlod

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