= = = '''CNRS-NEMO - 2015 actions''' = [[PageOutline]] Last edited [[Timestamp]] '''WARNING page currently in progress''' '''members''' || Name || Institution || % || Position || || Christian Ethé || IPSL, Paris || 50 || CNRS, NEMO Officer || || Simona Flavoni || LOCEAN-IPSL, Paris || 50 || CNRS || || Claire Lévy || LOCEAN_IPSL, Paris || 100 || CNRS, NEMO Project manager || || Pierre-Antoine Bouttier || LGGE- OSUG, Grenoble || 50 || CNRS || || Sébastien Masson || LOCEAN-IPSL, Paris || 50 || CNAP || || Nicolas Martin || LOCEAN-IPSL, Paris || 50 || UPMC || || Gurvan Madec || LOCEAN-IPSL, Paris || 30 || CNRS, NEMO Scientific Leader || || Clément Rousset || LOCEAN-IPSL, Paris || 50 || CDD, CNRS || || Martin Vancoppenolle || LOCEAN-IPSL, Paris || 30 || CNRS || || Laurent Debreu || IMAG, Grenoble || 0 || INRIA, AGRIF Working Group Leader || || Marie-Alice Foujols || IPSL, Paris || 0 || CNRS || || Rachid Benshila || LEGOS, Toulouse || 0 || CNRS || Summary: List here the actions NOT listed in [https://forge.ipsl.jussieu.fr/nemo/wiki/2015WP/2015SharedActions SHARED ACTIONS] || Action || Brief description || Status || Branch name || Trac ticket n° || Wiki page name || Reviewer(s) || Review status || || CNRS-1 || LIM3 Consolidation || Done in 3_6_STABLE || || || || || || || CNRS-2 || LIM3, landfast (grounded) sea-ice || postponed || || || || || || || CNRS-3 || LIM3, melt ponds || postponed || || || || || || || CNRS-4 || Stochastic parametrization of the effect of unresolved scales in the equation of state || Done in 3_6_STABLE || || || || || || || CNRS-5 || Offline with vvl || '''Postponed beginning 2016''' || || || || || || || CNRS-9 || Simplification and improvement of lateral diffusion and dissipation || Will be merged by end 2015 || tbcompleted || || || || || || CNRS-10 || TAM || to be completed || || || || || || || CNRS-12 || Energy trend diagnostics || postponed || || || || || || || CNRS-13 || Subduction diag. || postponed || || || || || || || CNRS-14 || LIM3, Multiple tracer interface || postponed || || || || || || || CNRS-15 || LIM3, FCT4 advection scheme || postponed || || || || || || || CNRS-16 || Vertical redistribution of salt rejection due to ice formation || postponed || || || || || || || CNRS 18 || Develop a continuous integration testing tool || Will be merged by end 2015 || || || || || || Summary of [https://forge.ipsl.jussieu.fr/nemo/wiki/2015WP/2015SharedActions SHARED ACTIONS] (listed here for continuity) || Action || Brief description || Status || Branch name || Trac ticket n° || Wiki page name || Reviewer(s) || Review status || Shared Action Stream || || CNRS-6 || NEMO ready for ESMs-CMIP6: ORCA1_LIM3_PISCES || Done in shaconemo || || || || || || Robustness || || CNRS-7 || Investing in AGRIF expertise || || || || || || || AGRIF || || CNRS-8 || AGRIF + LIM3 || '''Postponed 2016''' || || || || || || AGRIF || || CNRS-9 || Simplification and improvement of lateral diffusion and dissipation || Will be merged by end 2015 || || || || || || Simplication & Robustness || || CNRS-11 || Lead working Group on Tests cases || '''Ongoing work''' || || || || || || Robustness || || CNRS-17 || OASIS coupling between OPA and LIM/CICE || Done in 3_6_STABLE || || || || || || HPC || ---- === '''CNRS-1 - '''LIM3 consolidation === ''' Motivation: ''' LIM3 consolidation (towards only LIM3 in the system)[[BR]] ''' Status :''' continuation[[BR]] ''' Main tasks :''' [[BR]] (1) Coupling interface of LIM3 with atmosphere [[BR]] (2) Reproducibility of LIM3[[BR]] (3) LIM3 in mono-category -> LIM2[[BR]] (4) Simplification and cleaning of LIM3 [[BR]] ''' Science Reviewer:[[BR]] System Reviewer:[[BR]] Deadline:''' end 2014[[BR]] ''' Priority: ''' high[[BR]] ''' Depends on:[[BR]] Principal Investigators : ''' Martin Vancoppenolle & Clement Rousset === '''CNRS-2 - '''LIM3, landfast (grounded) sea ice === ''' Motivation: ''' In embedded sea-ice, when the ocean thickness beneath sea-ice becomes too small, the model blow up (due to the stability limit of vertical advection). A simple solution consists in the addition of bottom friction on the ice dynamics to prevent further sea-ice accumulation at a grid point where the ice thickness is already large compared to the ocean depth. [[BR]] ''' Status :''' [[BR]] ''' Main tasks :''' [[BR]](1) Introduce the friction term & test stability of an embedded ORCA2-LIM3 (50 years)[[BR]](2) Work on the criterion with scientific validation[[BR]] ''' Science Reviewer:''' [[BR]] ''' System Reviewer:''' [[BR]] ''' Deadline:''' Before April 2015 [[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' [[BR]] ''' Principal Investigator : ''' Martin Vancoppenolle & Gurvan Madec === '''CNRS-3 - '''LIM3, melt ponds === ''' Motivation: ''' [[BR]] ''' Status :''' [[BR]] ''' Main tasks :''' [[BR]](1) Plug the existing routine[[BR]](2) Make a few calibration runs (4x50-yr ORCA1-LIM3)[[BR]] ''' Science Reviewer:''' [[BR]] ''' System Reviewer:''' [[BR]] ''' Deadline:''' Before April 2015 [[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' [[BR]] ''' Principal Investigator : ''' Martin Vancoppenolle & Olivier Lecomte === '''CNRS-4 - '''Stochastic parameterization of the effect of unresolved scales in the equation of state === ''' Motivation: ''' Unresolved scales have been shown to produce an important effect on the horizontal density gradient through the non-linearity of EOS (Brankart, 2013). This effect needs to be taken into account in low resolution ocean simulation. It is also useful to explicitly simulate uncertainties in Ensemble '''Data Assimilation''' systems.[[BR]] ''' Status : '''Existing preliminary code from J.-M. Brankart'''[[BR]]Main tasks :[[BR]]'''(1) Normalize and implement the code[[BR]](2) Test and validate on reference configurations[[BR]] ''' Science Reviewer:''' [[BR]] ''' System Reviewer:''' [[BR]] ''' Deadline:''' Before April 2015 [[BR]] ''' Priority: '''High [[BR]] ''' Depends on:''' none[[BR]] ''' Principal Investigator : ''' Pierre-Antoine Bouttier === '''CNRS-5 - '''Offline with vvl === ''' Motivation: ''' Add missing pieces of code to make passive tracers model run offline with linear free surface [[BR]] ''' Status :''' [[BR]] ''' Main tasks :''' [[BR]](1) run a forced simulation ORCA2(1)-LIM2(3) and output variables needed for linear free surface, especially the changing vertical grid in time [[BR]] (2) Rewrite the Offline modules to take into account the changing grid in time[[BR]] ''' Science Reviewer:''' Gurvan Madec [[BR]] ''' System Reviewer:''' [[BR]] ''' Deadline:''' [[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' [[BR]] ''' Principal Investigator : ''' Christian Ethé === '''CNRS-10 - '''TAM === ''' Motivation: ''' Extending the applications of NEMO-ASSIM component and consolidating them [[BR]] ''' Status :''' continuation[[BR]] ''' Main tasks :'''[[BR]](1) Provide a demonstrator of NEMO-ASSIM components, based on the reference configuration for Data assimilation with NEMO (SEABASS), and the associated documentation[[BR]](2) Add supplementary validation test routines for Tangent Linear and adjoint models (NEMOTAM) [[BR]](3) Enrich demonstrator with different functionalities (e.g. ensemble runs, singular vectors computing) to be defined by consulting the NEMO-ASSIM group[[BR]](4) Monitor advances in Automatic differentitation field and quantify its applicatibility to NEMO[[BR]] ''' Science Reviewer: '''Arthur Vidard, INRIA, LJK [[BR]] ''' System Reviewer: '''Arthur Vidard, INRIA, LJK [[BR]] ''' Deadline:''' 2nd semester 2015[[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' none[[BR]] ''' Principal Investigator : ''' Pierre-Antoine Bouttier === '''CNRS-12 - '''Finalisation of Energy trends diagnostics KE and PE === ''' Motivation: ''' Finalize trends diagnostics (3D trends of tracers, momentum, kinetic energy and potential energy)[[BR]] ''' Status :''' Continuation of 2014[[BR]] ''' Main tasks :''' [[BR]] (1) implement the 3D output (using xIOS) of tracers and momentum trends (done with validation in 2013)[[BR]] (2) compute and output the 3D trends of PE and KE : vvl case to be validated[[BR]] (3) documentation[[BR]] ''' System Reviewer:[[BR]] Deadline:''' end 2014[[BR]] ''' Depends on: ''' the introduction of TEOS10 (for dynamical potential energy)[[BR]] ''' Principal Investigator : ''' Sebastien Masson, Gurvan Madec and Fabien Roquet === '''CNRS-13 - '''Subduction diagnostics === ''' Motivation: '''add a useful diagnostics of subduction[[BR]] ''' Status :''' Already coded/tested in v3.4 [[BR]] ''' Main tasks :''' adapt to the current version[[BR]] ''' Science Reviewer:''' Gurvan Madec [[BR]] ''' System Reviewer:''' Gurvan Madec [[BR]] ''' Deadline:''' end 2014[[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' [[BR]] ''' Principal Investigator : '''Christian Ethé === '''CNRS-14 - LIM3, '''multiple tracer interface === ''' Motivation''' [[BR]] ''' Status :''' starting project[[BR]] ''' Main tasks :''' [[BR]](1) Introduce a tracer array (jpi,jpj,jpl,jpx) in sea ice; compute the associated terms of tendencies (volume and area tracer options)[[BR]](2) Plug existing tracers (age and bulk salinity) and test their reproducibility with control[[BR]](3) Plug all existing tracers[[BR]]'''Science Reviewer:''' Pas Olivier Aumont (bas bgc du tout). LLN ?[[BR]] ''' System Reviewer:''' Christian Ethé [[BR]] ''' Deadline:''' [[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' none[[BR]] ''' Principal Investigator : ''' Martin Vancoppenolle === '''CNRS-15 - '''LIM3, FCT4 advection scheme === ''' Motivation: ''' Rachid, using a classical test case of advection of a passive tracer, have shown that a 4th order Flux Corrected Transport (FCT4) had a behavior very close to the one of a Pather scheme, i.e. the one used in LIM. It is much cheaper as you don't have to advect second order moments in addition to the field itself. [[BR]] ''' Status :''' The FCT4 scheme has been coded and tested as part of a 3D advection scheme for ocean tracers. [[BR]] ''' Main tasks :''' adapt to LIM3 and test it. If it performs as expected, implement it is the current version of LIM3 [[BR]] ''' Science Reviewer:''' Martin Vancoppenolle [[BR]] ''' System Reviewer:''' [[BR]] ''' Deadline:''' [[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' [[BR]] ''' Principal Investigator : ''' Clément Rousset, Gurvan Madec === '''CNRS-16 - '''Vertical redistribution of salt rejection due to ice formation === ''' Motivation: ''' Introduce the sub-grid-scale brine rejection parameterization proposed by Nguyen et al JGR2009. Such a parameterization tends to reduced the mixed layer depth below sea-ice (which is generally to large). Improve the parameterization by taking into account the velocity difference between ice and ocean. [[BR]] ''' Status :''' Already coded and tested in v3.4 with ORCA1-LIM3. Ocean Modelling paper in revision (Barthélemy et al. 2014) [[BR]] ''' Main tasks :'''adapt to the current version[[BR]] ''' Science Reviewer:''' [[BR]] ''' System Reviewer:''' [[BR]] ''' Deadline:''' [[BR]] ''' Priority:''' [[BR]] ''' Depends on:''' [[BR]] ''' Principal Investigator : ''' Gurvan Madec, Antoine Barthélémy === '''CNRS-17 - OASIS coupling between OPA and LIM/CICE''' === '''Motivation: '''Improve NEMO scalability. [[BR]] '''Status :''' under development with E. Maisonnave and G. Madec [[BR]] '''Main tasks :''' modify coupling interface to be able to do a coupling between OPA and LIM/CICE (through the Stand Alone Surface Module) [[BR]] '''Science Reviewer:''' [[BR]]'''System Reviewer:''' [[BR]]'''Deadline:''' May 2015[[BR]]'''Priority: '''P1[[BR]]'''Depends on:''' [[BR]]'''Principal Investigator : '''S. Masson === '''CNRS-18 - Continuous integration tool''' === '''Motivation: '''Improve NEMO development tests. [[BR]] '''Status :''' exisiting TRUSTING at IPSL , to be implemented and tested for NEMO [[BR]] '''Main tasks :'''  [[BR]] '''Science Reviewer:''' [[BR]]'''System Reviewer:''' [[BR]]'''Deadline:''' 2015[[BR]]'''Priority: '''[[BR]]'''Depends on:''' [[BR]]'''Principal Investigator : '''N. Martin