Opened 10 years ago

Closed 10 years ago

#758 closed Enhancement (fixed)

ORCA1 support and alternative vertical levels

Reported by: acc Owned by: acc
Priority: low Milestone:
Component: OCE Version: release-3.3
Severity: Keywords:
Cc: Review:
MP ready?:


ORCA1 configuration details are to be added to v3.3beta. ORCA1 is in use with several different vertical grids including a 75 level version which uses a double tanh function to set the vertical spacing. This same vertical grid is also used with some configurations of ORCA025. Support for ORCA1 will therefore be added in two stages:

  1. The introduction of an optional double tanh function in domzgr. This will be selected via a logical (ldbletanh) set in each par*.h90 file. This will be false and the associated parameters set to "pp_do_not_use" for all configurations except for ORCA025 (key_orca_r025). In par_ORCA_R025.h90 two alternative sets are provided: one for 75 levels (with ldbletanh=T) and one for the standard 46 level case (with ldbletanh=F). The standard case will be used unless key_orca_r025=75 is defined.
  1. The ORCA1 settings (par_ORCA_R1.h90) and associated changes will be added to the system with similar support for 75 and 46 level versions.

Commit History (3)


v3.3beta: correct ORCA1 support to compile without a predefined config. (ticket #758)


nemo_v3_3beta. ORCA_R1 settings (step 2, see ticket #758). Introduces key_orca_r1 (46 level default, 75 level if key_orca_r1=75)


nemo_v3_3beta. First stage of adding ORCA1 support. See ticket #758. Added optional double tanh function for vertical grid

Change History (1)

comment:1 Changed 10 years ago by acc

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

Ticket closed. All changes now in v3.3beta. See changesets: (A) [2379] and (B) [2380].
Documented in changeset [2381] and minor bugfix in changeset [2391]

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