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WP5 – T5.3: Regional North West shelf integrated system

MUMM | BMM | UGMM. Rosa Barciela 1 R. Mahdon 1 , G. Lacroix 2 , S. Dick 3 , R. Proctor 4 & R. Torres 5 1 Met Office 2 MUMM 3 BSH 4 POL 5 PML. WP5 – T5.3: Regional North West shelf integrated system. BSH. The Talk. How do we fit in? What are the aims? What have we done so far?

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WP5 – T5.3: Regional North West shelf integrated system

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  1. MUMM | BMM | UGMM Rosa Barciela1R. Mahdon1, G. Lacroix2, S. Dick3, R. Proctor4 & R. Torres51 Met Office 2 MUMM 3 BSH 4 POL 5 PML WP5 – T5.3: Regional North West shelf integrated system BSH

  2. The Talk • How do we fit in? • What are the aims? • What have we done so far? • What will we be doing next?

  3. How do we fit in? • T5.3: Rosa Barciela will manage METO contribution to ECOOP • S5.3.1: Regional system capacity and TOP experiment – METO • S5.3.2: Downscaling & upgrades of targeted demonstration coastal areas (Southern North Sea to Skagerrak) - MUMM, BSH and MET-NO • S5.3.3 Downscaling & upgrades of targeted demonstration coastal areas (Liverpool Bay Observatory) – POL • S5.3.4: Downscaling & upgrades of targeted demonstration coastal areas (Western English Channel) - PML • Aims: • Nest regional system to MERSEA global system • Provide IC and BC to coastal systems • Upgrade regional systems (physics, downscaling, assimilation, ecosystem) – V1 • Run TOP experiment (month 21 to 27) • Provide information on assessment/validation in WP4 (month 28 to 36) BSH

  4. Highlights of progress • S5.3.1 MetO • Agreed parameters for nesting MUMM and BSH models within MRCS POLCOMS-ERSEM (IC & BC) • Agreed inter-comparison period MRCS vs MUMM and MRCS vs BSH • Agreed variables to perform model validation (T, S, chl) FOAM 1/9⁰ NA model Atlantic Margin Model Medium-Resolution ContinentalShelf North Eastern Atlantic MERSEA system BSH

  5. Management Unit of the North Sea Mathematical Models MUMM | BMM | UGMM http://www.mumm.ac.be/ [v0]: MIRO&CO-3D model implementation • S5.3.2: MUMM Continental Shelf Model (CSM) Channel & Southern North Sea (C&SNS) Box model Coupling MIRO&CO-3D IMPLEMENTATION & VALIDATION IN: Lacroix et al. 2007. JMS IMPLEMENTATION OF HYDRODYNAMICS IN: Lacroix et al. 2004. JSR CALIBRATION & VALIDATION IN Lancelot et al. 2005. MEPS Ecosystem model MIRO Hydrodynamic model COHERENS-3D MIRO&CO-3D COHERENS 2D Grid: Long. 12°W–13°E Lat. 48°N–62°N Ny*Nx: 337*301 Dx: 1/12° (~ 5.8 km) Dy: 1/24° (~ 4.6 km) Dt: 20 sec MIRO&CO-3D Grid: Long. 4°W–5°E Lat. 48.5°N–52.5°N Ny*Nx*Nz: 97*109*5 Dx: 1/12° (~ 5.8 km) Dy: 1/24° (~ 4.6 km) Dt2D: 60 sec Dt3D: 900 sec • Open BC: • Current & elevation • From CSM 2D • Open BC (except NE): • - S, nutrients • imposed (ICES data) • T, biological state var. • gradient 0 • Open BC (NE  Rhine plume): • All state var. gradient 0 • Forcing: • 6h meteo R/F (UKMO) • Real river inputs (daily flow,monthly nutrients) • Weekly gridded SST (BSH) • Simulation period: • 1991-2006 (hindcast)

  6. Management Unit of the North Sea Mathematical Models MUMM | BMM | UGMM http://www.mumm.ac.be/ [v1]: MIRO&CO-3D model implementation • S5.3.2: MUMM Continental Shelf Model (CSM) Channel & Southern North Sea (C&SNS) Coupling (Lacroix et al. 2007. JMS) COHERENS-2D MIRO&CO-3D POLCOMS-ERSEM 3D Open BC: - 2D Current & elevation From CSM 2D - T, S, nutrients, (phytoplankton) From POLCOMS, ERSEM Daily depth averaged forecasts Simulation period: 2006 (pre-operational mode) • Work in progress: • Comparison of MIRO&CO-3D & POLCOMS-ERSEM results (nutrients, phyto) at MIRO&CO-3D open BC (year 2004) • - Implementation of a new module to read BC from POLCOMS-ERSEM (Siddorn et al. 2007)

  7. Highlights of progress • S5.3.3 BSH • Implementation, calibration and validation of V4 of BSH circulation model • 2-way nesting of coastal system with 3 n.m. North Sea model of BSH • Implementation, calibration and validation of biogeochemical ECOHAM2 and SPM transport models ECOHAM2 + BSHdmodSurface chl –a ( distribution on 20.08.06 BSH - Bottle Data, 1Hz at 5m depth BSH

  8. Highlights of progress • S5.3.3 POL • Objectives: • Enhancement of 1n.m. Irish Sea model by the interaction of sediments and surface waves. • Irish Sea model fully nested into MRCS POLCOMS/ProWAM • Progress: • 1 n.m. Irish Sea POLCOMS-ERSEM model • is in trial operational status (fully nested). • POLCOMS coupled to ProWAM model. Smith & Banke (1975) Obs POLCOMS/ProWAM POLCOMS only BSH

  9. Highlights of progress • S5.3.4 PML • Objectives: • Western English Channel POLCOMS-ERSEM model to be upgraded (resolution & nesting into MRCS model). • Plymouth Sound model nested into Western • English Channel model in nowcast mode. • Progress: • Consolidation of V0 system of Western English Channel model domain. • Implementation of spectral light algorithm . • Assimilation of remotely-sensed chl & AOPs (attenuation at 3 spectral bands- RGB) using EnKF. • Developing suite of metrics (EOF, wavelet decomposition, etc.) for validation.

  10. Summary and next steps MUMM | BMM | UGMM • Significant progress has been made during the year • Agreed on what defines V0 and V1 systems. • Exchange of ICs and BCs for nesting into North Eastern Atlantic MERSEA system. • Implementation of SPM transport models • Implementation of data assimilation schemes for chl & AOPs. • Coupling to wave models. • Progress overall has been good and remains generally in line with plans • The key next steps are: • Use MRCS data as IC & BCs to force MUMM and BSH models (V1 system). • Assess impact of MRCS IC & BCs on MUMM and BSH models. • Assessment/Validation of V1 systems (T,S, chl). • Perform and assess TOP experiment. BSH

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