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Applying Management Frameworks: Experiences from CONSCIENCE sites across Europe

Applying Management Frameworks: Experiences from CONSCIENCE sites across Europe. Prof A. Sánchez-Arcilla, Prof. J.A. Jiménez, & the CONSCIENCE WP6 team. OBJECTIVES. To test the applicability of the management concepts and models developed within the project (the CONSCIENCE approach).

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Applying Management Frameworks: Experiences from CONSCIENCE sites across Europe

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  1. Applying Management Frameworks: Experiences from CONSCIENCE sites across Europe Prof A. Sánchez-Arcilla, Prof. J.A. Jiménez, & the CONSCIENCE WP6 team

  2. OBJECTIVES To test the applicability of the management concepts and models developed within the project (the CONSCIENCE approach). The field sites are selected to represent the most common European coastal types: sand and gravel/shingle coasts; high-energy open coasts (Atlantic coasts), medium-energy coasts (North Sea coasts, English Channel coasts) and low-energy coasts (Mediterranean, Baltic Sea and Black Sea)

  3. CONSCIENCE Coastal Sites (6) 1. Dutch coast, NL (North Sea). 2. Hel Peninsula, PO (Baltic Sea). 3. Danube delta stretch, RO (Black Sea). 4. Costa Brava Bays, ES (Mediterranean Sea). 5. Pevensey Bay, UK (English Channel). 6. Inch Beach, IR (Atlantic Ocean).

  4. PentagonalApproach A SMART FRAME OF REFERENCE Specific – Site – dependent Time – dependent (t/scales) Measurable – Based on data Realistic – Available Info Means/Tools, Laws, Adm. Applicable – Local stake-holders

  5. PentagonalApproach Based on 5 concepts Sediment Cell • Favourable Sediment Status: • No deficit • “Natural” deficit Selecting t/s scales Strategic sediment Reservoirs • Resilience • - Restore Sed. Balance (Artificial Nourishment) • Reduce “intesity” of drivers (Coastal Works) • - Space for coastal processes (Re-alignement)

  6. FrameofReference Based on 5 questions What is the problem Objective How does it work Monitoring How big is it: C.S Indicators (from Reference State Desired State) What action Catalogue + Concepts When action is needed Thresholds

  7. Location, scale The Dutch coast and its three regions.

  8. Netherlands CZ ↔ Country Safety Long.term resilience  coastal foundation 3 sub cells of coastal foundation

  9. 3 different scales in coastal management in the Netherlands. Each scale associated with a specific coastal cell and benchmarking of a specific tactical objective: Temporal scale:Spatial scale: - Residual strength days meters - Basal Coast Line (BCL) years kilometers - Coastal foundation decades / centuries 10’s / 100’s kilometers

  10. Frame-of-Reference for coastal erosion management in the Netherlands. Question marks indicate issues that are still open for decision making.

  11. Location, scale Danube Delta in Black Sea. The dotted rectangle indicates the coastal cell (CONSCIENCE Pilot Site).

  12. Sediment transport paths with CERC and wave conditions from SWAN and wind fields

  13. Proposal for strategic sediment reservoirs: • sediments blocked by the jetties in the Musura Bay and • sediments dredged from the channel and discharged off the littoral system

  14. Location, scale Lloret de Mar S’Abanell

  15. 0 ~ 30,000 m3/y

  16. Problem: Damage of Infrastructures Objective: Enhance safety of infrastructures

  17. Problem: Affectation of beach use Objective: Maintain recreational carrying capacity

  18. FAVOURABLE SEDIMENT STATUS • WINTER (stormy period) – Protecting infrastructures: Volume of sediment required to generate a beach wider than the one to be eroded by storms (Tr to be selected ). • SUMMER (calm period) – Recreational carrying capacity: Volume of sediment required to generate a beach wide enough to accomodate users (~ 30 m ).

  19. ~ 0 ~ 0

  20. Problem: Damage of Infrastructures Objective: Enhance safety of infrastructures

  21. FAVOURABLE SEDIMENT STATUS • WINTER (stormy period) – Protecting infrastructures: Volume of sediment “properly” distributed along the beach in such a way that the beach is wider than the reach associated to storm impacts (Tr to be selected ). • SUMMER (calm period) – Recreational carrying capacity: Volume of sediment “properly” distributed along the beach in such a way that the beach is wider than a minimum recreational width (~ 30 m ).

  22. CONCLUSIONS • The CONSCIENCE approach has been verified at different T- and S- scales and for coasts subjected to different processes and problems. • The frame- of- reference is an useful way to approach to managing coastal erosion (provided strategy is defined). • It is possible to define the favourable sediment status for any coast once governing processes are known and objectives are defined (e.g. different status depending on the beach function and scales).

  23. CONSCIENCE papers to be published as an Special Issue of O & C M Editorial Paper 1. The Conscience framework Paper 2. NL case study Paper 3. PL case study Paper 4. RO case study Paper 5. UK case study Paper 6. IR case study Paper 7. ES case study Paper 8. Set-back lines Paper 9. Erosion science for coastal management Paper 9. Managing erosion. The Conscience approach

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