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TT quad-charts

The TT Quad-chart details provided here highlight the TT short-term activities. These relate to topics of particular importance to GOV. Just click on the TT name below to view the quad-chart of interest:

If you like to access all quad-charts in one file you can download a quad-chart overview (all TTs).

Further detailed information about the GOV task teams is available from the Task Team pages.

 

Quad-chart collection of all GOV TTs - Status: June 2018

 

Coastal- and Shelf Seas Task Team (COSS-TT) -June 2018

Short description and objectives of the activities started or planned for this year:
Accomplishments of the TT this year:
Main activities:

FA1: Continue general TT work on targeted science to enable/support the development of COFS (Coastal Ocean Forecasting Systems) and applications and meet priority challenges

FA2: Work towards better integration between COFS and LOFS (Large-scale Ocean Forecasting Systems) via downscaling, illustrate added value via consistent metrics

FA3: Link with the active regional/coastal altimetry community and accompany the jumps in resolution and in “information forcing” towards extending prediction capabilities of COFS
Main achievements:

• A very successful ICM-5 took place in Cape Town, South Africa

• COSS-TT-sponsored sessions at AGU/Ocean Sciences 2018 conference in February (Portland, OR, USA)

• COSS Topical Collection in Ocean Dynamics was finalized (15 papers published, based on presentations at TT meetings) and a new Topical Collection is in progress.

• In accordance with FA3, COSS has strengthened collaboration with CAW (Coastal Altimetry Workshop) through ARCOM

• Collaboration with DA-TT and OSEval-TT is strong, as COSS-TT co-chairs are members; collaboration with MEAP-TT and IV-TT at COSS meetings.

• The COSS-TT was invited to the ISSI workshop “Understanding the Relationship between Coastal Sea Level and Large-Scale Ocean Circulation”.
Future plans to continue/ improve current activities:
Issues/ problems:
Main future plans:

• ICM-6 is scheduled for September 2018, in Madrid (Spain); it will include a joint session with MEAP-TT

• ICM-6 will continue discussions on how to capitalize on the progress made through the ARCOM (Altimetry for Regional and Coastal Ocean Models) activity.

• ICM-6 will discuss how to strengthen relations with LOFS (give feedback on their performance at a range of coastal/regional domains; illustrate the added value of downscaling via consistent metrics) and further advance integration with overall GOV objectives.

• ICM-6 will discuss about possible links with EuroGOOS coastal modelling WG, WCRP (coastal Grand Challenge) and CLIVAR.

Main issues:

None identified this period

 

Coupled Prediction Task Team (CP-TT) - June 2018

Short description and objectives of the activities started or planned for this year:
Accomplishments of the TT this year:
Main activities:

• Facilitate exchange of national and international programs on coupled prediction in and Earth Systems Modelling context with a focus on the role of and impact on oceans

• Planning for Joint CP-TT / IV-TT WebEx on pre-track cooling due to shears over coastal shelves ahead of hurricanes and TCs, with Class 4 metrics for coupeld and upcoupled systems

• Continue interactions with the Working Group on Numerical Experimentation (WGNE), the GOV Data Assimilation Task Team (DA-TT) and Coupled Global Modelling (CGM) Committee

• Prepare an inventory of GOV coupled systems and related plans

• Agree suitable test cases / periods for comparison of coupled / uncoupled GOV systems

• Facilitate R&D on identified system priorities (e.g. Coupling methods, SST / diurnal cycles)

Main achievements:

• Updates on members’ coupled prediction activities

CP-TT meeting and interactions with other TTs at GOVST-VIII in Norway on Nov 2017

• Convened a special session on Coupled Environmental Prediction for Canadian Meteorological and Oceanographic Society Congress and Marine Observation, Prediction and Response Annual Meeting in Halifax, NS, 11-15 June 2018

• Lectured on coupled prediction at the International GOV School on New Frontiers in Operational Oceanography, Mallorca, Spain 2-13 October 2017

• Participated in CGM Committee teleconferences

SST diurnal cycles study and coupled modelling studies continued
Future plans to continue/ improve current activities:
Issues/ problems:
Main future plans:

• Facilitate R&D on identified system priorities (e.g. Coupling methods, SST / diurnal cycles)

• Facilitate participation and exchanges for the Year of Polar Prediction

• Report on comparison of processes (e.g., SST/diurnal cycle, sea ice impacts on fluxes and coupling)

• Planning for focussed meeting on coupled data assimilation and forecasting in 2018

• Further high resolution GOV coupled global NWP systems operational

• Continue interactions with WGNE, DA-TT, IV-TT, CGM
Main issues:

• Government travel restrictions are limiting / jeopardizing participation in GOVST meetings

• Institutional priorities limit members’ time for specific TT activities which must be carried out on a “best effort” basis.

• There is a need to find a new co-chair to replace Hal Ritchie who retires in September.

Resources needed to better support CP-TT activities:

• No special request at this point

 

Data Assimilation Task Team (DA-TT) - June 2018

Short description and objectives of the activities started or planned for this year:
Accomplishments of the TT this year:
Main activities:

1. Improving understanding of error covariances used in existing DA systems through coordinated “multiple widely-spaced observation” experiments.

2. Identifying and quantifying model and forcing bias through inter-comparison of average assimilation increments.

3. Promote the development of hybrid data assimilation methods in the ocean

4. Organise meetings aimed at fostering the development of the DA systems
Main achievements:

• The DA-TT co-chairs participated in the GOV-ST meeting in Bergen in 2017.

• Following the review of DA-TT membership at the 2017 TT workshop, new members were invited to join the TT, and inactive members contacted to see whether they wish to remain on the TT.

• The idea of a joint meeting with COSS-TT was explored, but given the timing of the 2018 COSS-TT meeting and 2019 GOV symposium, this idea will be revisited in the future.

• DA-TT submitted a white paper abstract for the OceanObs19 conference which was selected as part of a larger group.

• An OceanObs19 white paper is currently under preparation that will include significant input from DA-TT .
Future plans to continue/ improve current activities:
Issues/ problems:
Main future plans:

• Summarise progress with work plan item 1 in a report, and prepare a paper for publication if appropriate.

• Assess average increments for work plan item 2 from the groups already contributing.

• Prepare DA-TT contributions to GOV symposium.

• Plan to hold a workshop after the GOV symposium, perhaps early in 2019.

Main issues:

• Need to move the work plan items forward with very little time/resource dedicated to the assessment work.

• Need to encourage more groups to contribute to the inter-comparisons.

Resources needed to better support the TT effort:

• Dedicated funding for a scientist to analyse the results of the inter-comparison experiments would greatly improve their impact.

 

Intercomparison and Validation Task Team (IV-TT) - June 2018

Short description and objectives of the activities started or planned for this year:
Accomplishments of the TT this year:
Main activities:

Objective 1: Class 4 Intercomparison metrics project continuation

Objective 2: Development of Class1 intercomparison metrics

Objective 3: Contribution to the real time reanalysis intercomparison and ocean climate monitoring initiated by a CLIVAR-GSOP team

Objective 4: Standardisation towards ET-OOFS
Main achievements:

Objective 1: Class 4 intercomparison activity continued. NERSC with the TOPAZ system are fully contributing. CLS with the observed global product ARMOR3D are now also contributing. NMEFC using Class 4 files to produce and publish dedicated assessment.

Objective 2: DFO and ECCC have developed and implemented a monitoring tool for real time verification merging Class 1 and Class 4 assessment.

Objective 3: No update

Objective 4: It is felt that an endorsement of the Class4 activity by ET-OOFS could now be considered. Much of the class4 activity is now being done as part of the operational monitoring made by individual centres. This may assist in obtaining operational resources to perform technical maintenance of class4 systems. Note also that European CMEMS Product Quality online monitoring (ie, validation) is also relying on Class 4 intercomparison for its global product assessment.
Future plans to continue/ improve current activities:
Issues/ problems:
Main future plans:

Objective 1:

• Extension of class4 to ice and surface drift. Consolidation of methods toward transfer to ET-OOFS.

• Involvement of various groups in polar intercomparison activities in preparation for YOPP.

IV-TT workshop being planned for sometime in 2018. Identifying synergies with other groups and meeting opportunities.

Objective 2: Actions to be determined

Objective 3: To be determined

Objective 4:

• Consolidation of IV-TT and establishment of best practices documents underway.

• Contribution of IV-TT members to the validation/verification synthesis provided as part of the GOV Summer School Lecture #29.

• Contribution of IV-TT members to several OceanObs19 white papers for the validation/verification aspects

Issues/problems:



Objective 1:

• Class 4 comparison for surface velocities using drifters is still under development due to ongoing changes in the source of real time drifter data provision by the CORIOLIS centre as part of the CMEMS delivery.

• Minor technical issues: difficulties for NMEFC to upload Class4 files on the US GODAE server. Open question to be solved by Patrons: MOU with NASA/NOAA/NRL to consolidate the availability of storage facilities by the US GODAE server ? Is there alternative for operational and secure storage, with high rate access for Class 4 and Class 1 file exchanges ? /td>

 

Marine Ecosystem Analysis and Prediction Task Team (MEAP-TT) - June 2018

Short description and objectives of the activities started/planned for this year:
Accomplishments of the TT this year:
Main activities:

• Main objective: evaluate of downscaling from global to regional physical/biogeochemical configurations across GODAE/GOV systems.

Year 3 milestone: organizing of a session on down-scaling as a multi-TT event: “Ecosystem response to physical drivers in coastal regions”, (cross-cutting theme at the 6th International meeting of COSS-TT, Madrid 19-21 September 2018)
Main achievements:

• Special session at 2018 Ocean Sciences Meeting (OSM) “Development and Advances of Modeling and Forecasting Marine Biogeochemistry and Ecosystems” (convenors: F. Chai, P. Xiu, M. Gehlen, S. A. Siedlecki)

• Informal TT meeting at OSM

• Special session at 2017 EGU GA “Recent advances in analysis and prediction of marine biogeochemistry and ecosystems” (convenors: Gehlen, Fennel, Dutkiewicz (IOCCG))

TT meeting at 2017 EGU GA
Future plans to continue/ improve current activities:
Issues/ problems:
Main future plans:

• On-going: review of impacts of DA methods on biological/biogeochemical model

• Preparation of scientific session at international GODAE OceanView Symposium in 2019
Main issues:

• Difficulty to ensure a good representation of non-European members at meetings organised in Europe due to travel restrictions

• Difficulty to carry out concrete actions (e.g. intercomparison projects) on best effort basis (enthusiasm during planning dies off rapidly as it implies extra work added to an in general already heavy load)

 

Observing System Evaluation Task Team (OSEval-TT) _ June 2018

Short description and objectives of the activities started or planned for this year:
Accomplishments of the TT this year:
Main activities:

1. Coordination of the TT

2. Co-chairs attended GOV-ST VIII and discuss on collaboration with other TTs

3. Generate a community white paper of OceanObs19’ on ocean observing system evaluation. Support other white papers associated with the TT activities.

4. Contribute to the session on assimilation of salinity data in the Ocean Salinity Science Conference

5. Co-chairs attend relevant meetings (25th Altimetry, Argo TPOS2020, WCRP, etc.) and appeal the TT activities
Main achievements:

1. Co-chairs were changed and membership was updated

2. Ongoing multi system Obs. System Evaluation:

ESA SMOS studies ongoing (CLS, Met Office, Mercator)

• H2020 AtlantOS project ongoing. Numerous  European partners are involved.

• TPOS2020 project ongoing (JMA and US partners are mainly involved.)
Future plans to continue/ improve current activities:
Issues/ problems:
Main future plans:

1. Preparation for the GOV concluding symposium, OceanPredict '19

2. Issuing of Observation Impact Statements (OIS) for ESA SMOS, and TPOS2020. Collaboration with H2020 AtlantOS5. Continuing contribution to OceanObs19’.

3. Seek the way to collaborate with international Argo project

4. Update the TT’s homepage and improve the visibility of OSEval activities within the GODAE centers

5. Discuss on possibility to use SNS for communication
Main issues:

• How to strengthen the communication with observational agency

• How to communicate on OSE/OSSE, their use and limitations

• How to evaluate the status of current observing system in real-time (NRT-OSE is expensive and can be implemented in few institute)

• How to Extend the TT activity to international (Currently activity is mostly limited in EU countries)