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Investing in our common future
Co-financed with the support of the European Union ERDF – Atlantic Area Programme
MAREN ProjectWhat? Who? Why? What next?
Atlantic Area Marine Economy Conference, MalahideFebruary 7th 2012
Co-financed with the support of the European Union ERDF – Atlantic Area ProgrammeInvesting in our common future
What & Who is MAREN?
Overview of MAREN:Modelling of marine renewable energy potential and impact across the Atlantic AreaThe project is co-financed with the support of the EU Interreg Atlantic Area Programme, bringing a wide range of technological expertise. The work is ongoing and runs until 2012 (2013).
MAREN TEAM•Cardiff - Tidal Barrages & Impoundments: Dr Bettina Bockelmann–Evans, Prof. Roger Falconer, Dr Reza Ahmadian •National University of Ireland, Galway - Tidal Stream: Dr Michael Hartnett •IHC - University of Cantabria, Spain - Offshore Wind: Prof. Inigo Losada•Centec, Instituto Superior Tecnico, Portugal - Wave: Prof. Carlos Guedes Soares •Ifremer, France - La Rance Barrage: Dr Nicolas Desroy•Other partners - Policy makers, private & public sectors
Why?
“Optimising the energy extraction potential of the marine resource whilst minimising the negative hydro-environmental impact across the Atlantic
Area”
MAREN Project OverviewThe MAREN Project investigates the marine renewable energy forms of:- offshore wind,
tidal current, tidal barrages and lagoons, and wave, in the Atlantic Area to produce:
1. Country Modelling Case Studies • High resolution modelling and mapping of the resource potential • Assessment of marine renewable energy device performance • Assessment of the Environmental Impact • Future climate change scenarios – for resource, impacts and design
requirements • Carbon emission life-cycle analysis
2. Comparative analysis of EIA and SEA protocol across the Atlantic corridor
UK Case Studies (& proposals)RE Type Location Study Type
Wave Cornwall Energy Potential
Severn Estuary
Pembrokeshire (St Annes Head to Ramsey Sound)
Tidal Stream
Severn Estuary Energy Potential
?Ramsey Sound
Tidal Barrage
Severn Estuary- Cardiff Western Barrage
Energy PotentialEnvironmental Impact
Fleming Lagoon
Llanelli- Loughor Barrage
RE Type Location Study Type
Tidal Impoundment
Rhyl, N. Wales Energy PotentialEnvironmental Impact
?Bridgewater Energy Potential
?Swansea Energy PotentialEnvironmental Impact
Offshore Wind
?Severn Estuary
Energy Potential
Atlantic Area Climate Change Impact on design
Tidal Barrage & Impoundment StudiesHydro-environmental modelling: The Severn Barrage under different generation modes – resource and impact The North Wales tidal lagoons – resource and impact including coastal flooding Energy harbours along the Severn Estuary and Bristol Channel
Proposals: Bridgewater Lagoon - resource potential and hydro-environmental impact Loughor Barrage - resource potential, hydro-environmental and economic impact modelling
Other ideas to work from existing modelling capabilities of: Energy assessment Water quality Water speed Flood risk Pathogens Fish habitat modelling
With Barrage Without Barrage
Maximum Flow Predictions
Maximum Velocit y(m/s)
Tenby
Cardiff
Minehead
Weston
Ilfracombe
Barry
Swansea
Gloucester
Newport
BristolAvonmouth
N 0.3 0.7 1 1.3 1.7 2
Frame 001 05 Nov 2009 Maximum Water Level
With Barrage Without Barrage
Spring Tide- Mean Flood
Modelling Suspended Sediments
With Barrage Without Barrage
Spring Tide- Mean Flood
Modelling Faecal Bacteria Levels with SS - FB Interaction & Turbidity Impact on decay rate
Offshore WindIH Cantabria, Spain
The aim of their work is two-fold: • To present two novel wind and wave re-analysis databases to be used for wind farm
offshore applications.• To describe a corrective method using instrumental observations.
These tools provide marine climate information for addressing issues about optimal design for offshore wind farms, such as:- optimal location, operation and maintenance strategies, etc.
New Methods used: SeaWind and GOW 2.1 databases provide 21 years continuous long time series of wind and wave climate on a high resolution grid, which can be used for off-shore wind farm planning and design. Both SeaWind and GOW databases have been corrected using a parametric calibration method based on nonlinear regression
These models are being used to identify key sites in the Atlantic Area based on resource potential:
• Pilot study in each area – Severn, Shannon, W. France - Brest, Spain Santander, and Portugal offshore Lisbon
Further work: Models for each site need higher resolution validation data
Tidal Stream StudiesHydro-environmental modelling: The Shannon Estuary (Ireland) – resource and impact The Severn Estuary (UK) – resource and impact La Rance (France) - impact
Proposals: Shannon Estuary – resource potential and hydro environmental impact Severn Estuary – resource potential and hydro environmental impact
Other ideas to work from existing modelling capabilities of: Energy assessment Changes to hydrodynamic regimes Tidal ellipse analysis Climate impacts – especially flooding Multi-scale modelling: Cylindrical coordinates; Rotated/nested grids
WaveIST, University of Lisbon, Portugal
Work to date:
A wave prediction system based on two state-of-the-art spectral models, WAVEWATCH III ™ and SWAN, was implemented in order to evaluate UK’s wave conditions and to assess potential wave energy extraction.
Case Studies:• Wave Hub test site, Cornwall• Pembrokeshire Coast
Validation tests are carried out with buoy data from the British Oceanographic Data Centre so that the model's performance can be evaluated.
Further work: Refinement of the calibration with higher resolution data sets.
Paper available on request.
PURPOSE: Research is only as good as the people and environment it can help. MAREN strives to involve stakeholders to
produce useful outputs with the research.
ENGAGEMENT EVENTS:
•MAREN Initiation Meeting in North Wales, Feb 2010•SEP Annual Event, Bristol, Aug 2010
•MAREN Project Meeting in Lisbon, Sep 2010•MEP Annual Event, Pembrokeshire, Mar 2011
•MAREN sub meeting at the OCEANS conference, Santander, Jun 2011
•MEP Working Group Meeting, Aug 2011•MAREN-ICE Business Breakfast Meeting, Cardiff, Sep 2011
•SEP Annual Event, Cardiff, Sep 2011
Stakeholder Engagement Work
Outputs Resource Maps and summary notes
Marine Renewable Energy Project Database
EIA and SEA summary
Online GIS tool
Partnership development • Between partners• Between partners and stakeholders• Between stakeholders
Reports, Publications and articles in specialised magazines
Challenges for Marine Renewable Energies in the
Atlantic Area
• Testing facilities• Political will
• Joined up thinking• Stakeholder linkages
• Accessible information for all• Marine Mammal impact understanding
Thank youAny questions?