The Value of PCO Data in Exe Estuary Strategy

1. Fifth Annual Partner’s Meeting 11th October 2011 The value of PCO data to the Exe Estuary Strategy Dr Dan Fox Halcrow

2. ON THIS DAY…200 years ago…11th October 1811QuotationSource: publication in local press (source unknown, dated c.18th October 1811)“The tide on the Devonshire coast rose higher than has been witnessed in the memory of any person living; the windwas fortunately very moderate. Many houses near the sea deluged. The sand beach at the town of Exmouth wascompletely metamorphorsed” Reference:Zong, Y. & Tooley, M. J. 2003 “A historical record of coastal floods in Britain: frequencies and associated storm tracks” Natural hazards 29 (1), pp. 13-36. Coastal Flood Records for England Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

3. SCOPE Exe EstuaryFlood and Coastal Erosion Risk ManagementStrategy Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Scope Exe Estuary Strategy Alliance Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary For the Environment AgencyBy Atkins and Halcrow Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

4. EXE ESTUARYSTRATEGY Scope Exe Estuary Strategy Alliance Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

5. CREDITS Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

6. STRATEGYDATASETS Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

7. PCODATASETS Topographic data Wave data Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

8. DAWLISH WARREN Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary DRAFT DRAFT Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

9. EXMOUTH BEACH Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary DRAFT DRAFT Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

10. NEARSHORE Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

11. PROJECT LINKS Ongoing, due March 2012 Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

12. BENEFITS • High-resolution temporal/spatial data • Evidence • Confidence • Decision-making • Policy options • Gaps in knowledge Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary Dr Dan Fox – Coastal (Natural Resources), Halcrow, Exeter, UK

13. And finally… FREE SANDS User Conference2011 SANDS Conference: 8th November (London)www.halcrow.com/sands SUMMARY • Exe Estuary Strategy (Atkins-Halcrow) • -100 yr flood risk/erosion (Environment Agency) • 2 PCO datasets illustrated • -Topographic & waves • Dawlish Warren & Exmouth Beach • -Balance of accretion/erosion (c. 10 yr) • - Wave modelling links (c. 1 yr) • Evidence for Strategic Decision-making • - In context of other longer-term datasets Scope Exe Estuary Strategy Credits Strategy datasets PCO datasets Dawlish Warren Exmouth Beach Nearshore Project links Benefits Summary