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NEMO 2015 workplan - Shared actions
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Action | Brief description | From | PI |
AGRIF | |||
AGRIF-1 | Implement Vertical Grid Refinement | Met Office | Daley Calvert/Tim? Graham |
AGRIF-2 | Investing in AGRIF expertise | CNRS | Sebastien Masson |
AGRIF-3 | test last developpment of coupling at barotropic time step and vvl adaptation with new version of agrif | Mercator | Jerome Chanut |
AGRIF-4 | AGRIF + LIM3 | CNRS | Clement Rousset |
Config. Manager | |||
CONFIGMAN-1 | Lead configuration manager working group | Mercator | Julien Paul |
CONFIGMAN-2 | BDY configuration tool | NOC | James Harle |
CONFIGMAN-3 | config manager improvement ( details coming soon) | Mercator | Julien Paul |
System simplification | |||
SIMPLIF-1 | Removal of redundant options; details t.b.d. | NOC | Andrew Coward |
SIMPLIF-2 | Removal of redundant options; details t.b.d. | CMCC | |
SIMPLIF-3 | Simplification of lateral diffusion package | CNRS | Sebastien Masson/Gurvan? Madec |
Wave coupling | |||
WAVE-1 | Surface coupling modifications for waves | Met Office | Francois-Xavier Boquet |
WAVE-2 | Implementation of the WAVE-WG 2014 results | INGV | E. Clementi |
WAVE-3 | Reference configuration to test wave-current interactions | INGV | E. Clementi |
WAVE-4 | Definition of wave coupling at small (coastal) scale | INGV | M. De Dominicis |
NEMO robustness | |||
ROBUST-8 | Further 1D config changes | Met Office | Daley Calvert |
ROBUST-9 | Efficiency improvements in OBS | Met Office | Jennie Waters |
ROBUST-5 | Quantifying & reducing numerical mixing | Met Office | Dave Storkey |
ROBUST-3 | Validation of NEMO3.6 (inc. ORCA025 and AMM7) | Met Office | Enda O'Dea, Tim Graham, Dave Storkey |
ROBUST-4 | test NEMO3.6 with global configurations + test new features (LIM3, VVL, time-splitting, flux form,...) | Mercator | Romain Bourdalle-Badie, Clement Bricaud, Jerome Chanut |
ROBUST-1 | TOP online coarsening | Mercator, CNRS | Clement Bricaud, Coralie Perruche, Christian Ethé |
ROBUST-10 | Lead working Group on Tests cases | CNRS | Simona Flavoni |
ROBUST-2 | NEMO ready for ESMs-CMIP6: ORCA1_LIM3_PISCES | CNRS | Claire Levy |
ROBUST-7 | Improvement of lateral diffusion and dissipation | CNRS | Sebastien Masson/Gurvan? Madec |
ROBUST-6 | BDY and biogeochemistry | CMCC | Tomas Lovato |
GMD Special Issue | |||
Coupling NEMO with wave model: first step and sensitivity experiments in the Mediterranean Sea | INGV | E. Clementi | |
Atmospheric pressure in semi -enclose basin using time-splitting and filtered free surface formulation | INGV | P. Oddo | |
Split-explicit free surface and tide (Yellow Sea) | CMCC | D. Wang | |
Performance and results of the high-resolution biogeochemical model PELAGOS025 within NEMO | CMCC | I. Epicoco | |
The coupling of the flexible stoichiometric model BFM with NEMO | CMCC | M. Vichi | |
Comparison of TKE and GLS (submitted) | MERCATOR | R. Bourdalle-Badie | |
PISCES : An ocean biogeochemical model for carbon and ecosystem studies (submitted) | CNRS | O. Aumont | |
NEMOTAM: tangent and adjoint models for the ocean modelling platform NEMO (submitted) | CNRS | A. Vidard |
AGRIF
AGRIF-1 / Met_Office-7 - AGRIF vertical grid refinement
Motivation: Vertical grid refinement in NEMO would be a useful tool in simulating some aspects of the ocean (e.g. overflows)
Status: Laurent Debreu has a first attempt version of this.
Main Tasks: Take Laurent's 1st attempt code and update/improve it to provide this functionality
Science Reviewer:
System Reviewer:
Deadline:
Priority: Medium
Depends on:
Principal Investigator : Daley Calvert/Tim? Graham (TBD)
Configuration Manager
CONFIGMAN-2 / NOC-1 - BDY configuration tool
Motivation: The ability for NEMO to be configured and run as a regional model with open boundaries forced with output saved from a wider area configuration is under-used due to the difficulty of preparing suitable boundary files. This task aims to contribute to the Configuration manager shared action by providing a high-level tool capable of completing all the necessary steps.
Status :
Main tasks : To produce an open source Python tool to configure open boundary (BDY) condition files for use with NEMO v3.4 onwards by transferring data from global NEMO simulations to defined regional domains. The tool will produce tracer/ice/dynamics (including tidal boundaries from TPXO7.2) BDY files. Written in Python this tool will be ready for integration into an all encompassing 'Configuration Manager' if desired.
Science Reviewer:
System Reviewer:
Deadline:
Priority:
Depends on:
Principal Investigator : James Harle
System simplification
SIMPLIF-1 / NOC-3 - System support and Simplification work
Motivation: The need for simplifying NEMO in preparation for next generation computer architecture work has been accepted by the NEMO community. The exact details of what is to be done and the timing and order of these changes has yet to be decided. NOC expects to take an active role in this process and reserves a substantial block of its annual contribution to ensure it can respond accordingly to the consortium plans. This block also covers routine system team work to respond to user initiated tasks (bug-fixes, requests for assistance, documentation etc.).
Status :
Main tasks :
Science Reviewer:
System Reviewer:
Deadline:
Priority:
Depends on:
Principal Investigator : Andrew Coward
Wave Coupling
Wave Coupling-1 / Met Office-8 - Modifications to surface coupling required for surface waves
Motivation: Surface wave coupling will require changes to sbccpl to allow surface waves in coupled models (Action from Wave WG meeting) [BR]] Main tasks : Changes to sbccpl
System Reviewer:
Deadline:
Priority: high
Depends on: Wave Coupling-2
Principal Investigator: Francois-Xavier Boquet
Wave Coupling-2 / INGV-1 - Implementation of the WAVE-WG 2014 results
Motivation: In 2014 the Wave–WG defined a series of developments to be implemented by the WG participants in order to implement processes occurring from meso-scale to large-scale. A temporary branch hosting the surface wave components from ECMWF already exists and some modifications respect to this branch have been identified. INGV will take care of some of the developments identified
Status : Implementation of some of the identified processes has been started in 2014. To be continued in 2015
Main tasks :
- 3D Stokes drift computation will be modified according to Breivik et al., (2014) formulation. It will be a public variable to be used also in other terms (tracers and momentum advection, surface vertical velocity);
- implementation of surface vertical velocity accounting for the Stokes Drift in case of wave coupling;
- implementation of the tracers advection accounting for the 3D Stokes drift;
- implementation of the Qiao et al., (2010) formulation accounting for the enhanced vertical mixing induced by waves;
- others if agreed by the WAVE-WG.
System Reviewer:
Deadline:
Priority: high
Depends on:
Principal Investigator: Emanuela Clementi (emanuela.clementi@…)
Wave Coupling-3 / INGV-2 - Reference configuration to test wave-current interactions
Motivation: A reference configuration is needed in order to test the wave-current developments as agreed by the WAVE-WG
Status : To be started
Main tasks: Contribute, within the WAVE-WG, in the definition and implementation of a reference configuration to test the wave-current processes implemented
System Reviewer:
Deadline:
Priority:
Depends on: INGV.01 and NEMO-WAVE WG actions
Principal Investigator: Emanuela Clementi (emanuela.clementi@…)
Wave Coupling-4 / INGV-3 - Definition of wave coupling at small (coastal) scale
Motivation: According to the WAVE-WG, in order to achieve a full wave-current coupling, the small (coastal) scale processes need to be investigated
Status: To be started
Main tasks: Contribute, within the WAVE-WG, in the analysis of this issue in order to finalize the discussion started in 2014 before proceeding with any new implementation
Science Reviewer:
System Reviewer:
Deadline:
Priority:
Depends on:
Principal Investigator: Michela De Dominicis (michela.dedominicis@…)
NEMO robustness
ROBUST-2 / CNRS-11 - Lead working Group on Tests cases
Motivation: There are several motivations to define a suite of standard test-cases for NEMO (e.g. for pedagogical purpose and/or for demonstrating the benefit of new features and/or for illustrating the effect of a numerical scheme). This work will be done in throughout a Working Group. The purpose of the Working Group is to (i) specify the expected outcome of standard test-cases in NEMO and (ii) to define how standard test-cases should be distributed within NEMO. There will be interactions with Configuration Manager Working Group to decide how input files (bathymetry, coordinates,...) will be given, and how they will be maintained. In 2015, this new working group will need to be started (list of members to be fianlised during Developer’s Committee 2014).
Status : Starting
Main tasks :
Science Reviewer:
System Reviewer:
Deadline:
Priority: P2 (2nd semester 2015)
Depends on: Simplification, Configuration Manager…
Principal Investigator : Simona Flavoni
ROBUST-3 / Met_Office-12 - Validation (including ORCA025/AMM12/AMM7)
Motivation: Model configurations need to be validated before the release of the model.
Status: Main Tasks:
- Upgrading configs to new model version (after merge party)
- Assessment of changes to output
- SETTE testing at latest revision
- Finding & fixing causes of any issues
Science Reviewer: N/A
System Reviewer: N/A
Deadline:
Priority:
Depends on:
Principal Investigator : Tim Graham/Dave? Storkey/Enda? O'Dea
ROBUST-5 / Met_Office-11 - Numerical Mixing
Motivation: Recent tests with the Lee et al (JPO 2002) diagnostic in ORCA025 have shown that NEMO in common with other models has high levels of numerical mixing of water masses in the interior when used at eddy-permitting resolution. The goal of this action is to further quantify this in the ORCA025 configuration and test options that may reduce the problem. This action aims to address section 4.3 of the NEMO development strategy.
Status: Lee et al diagnostics have been developed by Alex Megann at NOC.
Main Tasks:
- Repeat Lee et al diagnosis for coupled model with ORCA025
- Perhaps look at other diagnostics, eg. Ilicak et al (OM 2012), Burchard and Rennau (OM 2008),
- Test impact of different numerical choices eg:
- z tilde
- alternative tracer advection schemes
- Griffies rotation operator for isopycnal mixing
- reduced gridscale Reynolds number using Smagorinsky or UBS momentum advection
Science Reviewer:
System Reviewer:
Deadline:
Priority:
Depends on:
Principal Investigators : Alex Megann (NOC), Dave Storkey (Met Office)
ROBUST-8 / Met_Office-9 - Further 1D configuration changes
Motivation: Add further functionality that there wasn't time for in the 2013 development
Status :
Main tasks : Add namelist domain control, case studies, maybe remove CPP key dependence.
Science Reviewer: Romain Bourdalle-Badie
System Reviewer: Romain Bourdalle-Badie
Deadline: October 2015
Priority: Medium
Depends on: N/A
Principal Investigator : Daley Calvert (daley.calvert@…)
ROBUST-9 / Met_Office-10 - Effiency improvements in OBS
Motivation: OBS operator needs to be more efficient for future use in high resolution models (e.g. ORCA12)
Status:
Main Tasks:
Science Reviewer:
System Reviewer:
Deadline:
Priority:
Depends on:
Principal Investigator : Jennie Waters