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MERCATOR-NEMO - 2016 actions

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members

Name Institution % Position
Clément Bricaud Mercator Océan 40 NEMO Officer
Jérôme Chanut Mercator Océan 20
Julien Paul Mercator Océan 20
Romain Bourdalle-Badie Mercator Océan 20
Coralie Perruche Mercator Océan 0
Guillaume Reffray Mercator Océan 0
Elodie Gutknecht Mercator Océan 0
Gilles Garric Mercator Océan 0
Yann Drillet Mercator Océan 0 consortium expert
Mondher Chekki Mercator Océan 0 consortium expert

Summary: List here the actions listed in SHARED ACTIONS

Action Brief description Status Branch name Trac ticket n° Wiki page name Reviewer(s) Review status
CONFIGMAN-1/MERCATOR-1 Configuration manager robustness and imoprovment continuation of 2015
AGRIF-3 /MERCATOR-2 Agrif: Enable vvl and AGRIF postponned from 2015 https://forge.ipsl.jussieu.fr/nemo/ticket/1453 Sebastien masson
ROBUST-8 / Mercator-3 Improve split-explicit free surface new
ROBUST-9 /MERCATOR-4 test NEMO_3.6 and ORCA025/ORCA12 continuation of 2015 https://forge.ipsl.jussieu.fr/nemo/ticket/1454 Martin Vancoppenolle,Andrew C. Coward,Gurvan Madec
ROBUST-10 /MERCATOR-5 online coarsening continuation of 2015https://forge.ipsl.jussieu.fr/nemo/browser/branches/2015/dev_r5003_MERCATOR6_CRS https://forge.ipsl.jussieu.fr/nemo/ticket/1426 Gurvan Madec/Christian? Ethé

Summary: List here the actions NOT listed in SHARED ACTIONS

Action Brief description Status Branch name Trac ticket n° Wiki page name Reviewer(s) Review status
MERCATOR-6 Improving ztilde vertical coordinate robustness and testing new
MERCATOR-7 Improving Sea-Ice/ocean drag new
MERCATOR-8 Improving Sea-Ice/air drag new
MERCATOR-9 Tidal modelling: implementation of Self Attraction and Loading (SAL) new

CONFIGMAN-1 / MERCATOR-1 - Configuration manage robustness and imoprovment

Motivation: A configuration manager demonstrator (SIREN) was added to NEMO TOOLS. Some bugs were fixed this year. Now those code should be agreed and tested.
Status :
Main tasks :

-test SIREN code (working group members and maybe some external users)
-extract from NEMO the meshmask creation (Mercator-Océan)
-main program (python) to manage all SIREN codes (Mercator-Océan)
-improve documentation readibility, and add tutorial (Mercator-Océan)

Science Reviewer:
System Reviewer:
Deadline: end of 2016
Priority:high
Depends on:
Principal Investigator : Julien Paul <julien.paul@…>

AGRIF-3 /MERCATOR-2 - Enable vvl and AGRIF

Motivation: AGRIF currently works with fixed in time vertical grid
Status : not started
Main tasks :
Science Reviewer: sebastien masson <smasson@…>
System Reviewer: sebastien masson <smasson@…>
Deadline: 2015
Priority: low
Depends on:
Principal Investigator : Jerome Chanut <jchanut@…>

ROBUSTNESS-8 / MERCATOR-3 - Improve split-explicit free surface

Motivation: There are several aspects that need to be investigated concerning the robustness of current split-explicit algorithm:

  • Tracer conservation issues (all time splitting options do not ensure global and local tracer conservation).
  • Missing correction terms in the barotropic equations relative to internal pressure gradients. This would reduce mode splitting error, hence improve stability.
  • Work on the stability of barotropic time stepping (based on INRIA's work) to possibly remove time filtering of barotropic variables. This would limit the temporal dissipation and greatly ease online coupling of nested domains at barotropic level (with AGRIF).

Status:
Main Tasks:
Science Reviewer:
System Reviewer:
Deadline:
Priority:
Depends on:
Principal Investigator: Jérôme Chanut

ROBUST-9 / MERCATOR-4 - test NEMO3.6 with global configuration

Motivation: Model configurations need to be validated before the release of the model.
Status: ORCA025_LIM2 with filtread free surface or time splitting is already running at Mercator
Main Tasks: Test and validation with ORCA025 of:

-LIM2 vs LIM3
-GLS vs TKE
-time-splitting vs filtred free surface
-vector form vs UBS for momentum advection
-run ORCA025 with Z*
-online coarsening
-run ORCA12 with time-splitting/LIM2/GLS/UBS?
-online coarsening

Science Reviewer: Martin Vancoppenolle <martin.vancoppenolle@…>,"Andrew C. Coward" <acc@…>,Gurvan Madec <Gurvan.Madec@…>
System Reviewer: N/A
Deadline:
Priority: medium
Depends on: implementation of online coarsening
Principal Investigator : Clement Bricaud <cbricaud@…>,Romain Bourdallé-Badie <rbourdal@…>, Jerome Chanut <jchanut@…>

ROBUST-10/MERCATOR-5 - TOP online coarsening

Motivation: run online top/pisces with lower resolution than physics
Status : developped on NEMO_3.6 / run with ORCA025
Main tasks :

-finish test of implementation with age tracer
-implementation in PISCES
-test with PISCES

Science Reviewer: Gurvan Madec <gm@…>
System Reviewer: Gurvan Madec <gm@…>
Deadline: april 2015
Priority: high
Depends on:
Principal Investigator : Clement Bricaud <cbricaud@…>,Christian Ethé <Christian.Ethe@…>, Coralie Perruche <cperruche@…>

MERCATOR-6 - Improving ztilde vertical coordinate robustness and testing

Motivation: improving vertical physic.
Status: ongoing work
Main Tasks:

-implementation of improved Z~
-test in idealized test case
-test in realist configuration with tides, biogeochemistery model,…

Science Reviewer: Gurvan Madec <gm@…>
System Reviewer: Gurvan Madec <gm@…
Deadline:
Priority: medium
Depends on:
Principal Investigator : Jerome Chanut <jchanut@…>

MERCATOR-7 - Improving Sea-Ice/ocean drag

Motivation: Roy, F., M. Chevallier, G. C. Smith,F. Dupont, G. Garric, J.-F. Lemieux,Y. Lu, and F. Davidson (2015), Arctic sea ice and freshwater sensitivity to the treatment of the atmosphere-ice- ocean surface layer, J. Geophys. Res.Oceans, 120, doi:10.1002/ 2014JC010677.
Status: no started
Main Tasks:
-implement in NEMO
-test with ORCA025_LIM3
Science Reviewer:
System Reviewer:
Deadline:
Priority: medium
Depends on:
Principal Investigator : Clement Bricaud and Gilles Garric

MERCATOR-8 - Improving Sea-Ice/air drag

Motivation: Lüpkes, C., and Gryanik, V. (2015). Parameterization of drag coefficients over polar sea ice for climate models. Mercator Ocean Quarterly Newsletter-Special Issue, 51, 29-34.
Status: no started
Main Tasks:
-implement in NEMO
-test with ORCA025_LIM3
Science Reviewer:
System Reviewer:
Deadline:
Priority: medium
Depends on:
Principal Investigator : Clement Bricaud and Gilles Garric

MERCATOR-9 - Tidal modelling: implementation of Self Attraction and Loading (SAL)

Motivation:
Status: no started
Main Tasks:
-implement in NEMO
-test with ORCA025_LIM3
Science Reviewer:
System Reviewer:
Deadline:
Priority: medium
Depends on:
Principal Investigator : Jrome Chanut