The

1
The Indicative River and Coastal Flood Map
(Scotland)Update and Current Position

• Marc Becker
• Senior Hydrologist, Flood Risk

2
Introduction

• Development of Map
• Communication Event with local Authorities
• IPR / Licence Issues
• Staged Roll Out of the Maps.
• Future

3
Development of the Flood Maps

• Flood map product delivered to SEPA March 06 by
  Consultants
• Improvements (substantial and aesthetic) made by
  SEPA staff to the 200 year (0.5 risk) outline
• Continuity issues
• Anomalous outlines
• Inclusion of detailed studies / historical data

4
Straight-edged outlines model/DTM inaccuracy
5
Straight-edged outlines model/DTM inaccuracy
(corrected)
6
Outline pre-trim
7
Outline post-trim
8
Use of Historical Data
9
Use of Historical Data
10
Local Authority Communication Event

• April / May 06
• Originally planned as release event
  constrained by unresolved IPR issues
• Presentation made to every Local Authority in
  Scotland
• Methodology
• Examples
• Planning Context SPP7, SEPA/Planning Protocol
• Discussions availability, access to support
  development plans, guidance and support, IPR
  issues

11
Intellectual Property Rights Issues

• Main cause of the delay in issuing the flood map
• CEH OS provided data to SEPA (under licence)
  which has been used to develop the flood map
• Negotiations with CEH OS started Nov 05,
  concluded Aug 06.
• For each copy of the GIS flood map dataset
  distributed, SEPA have to pay royalties to data
  suppliers.

12
Staged Roll Out Phase

• March 06 Limited access provided to Local
  Authorities to support development plans, subject
  to strict legal agreements.
• July 06 - Internal release for use in SEPA
  business including consultation responses to
  Local Authorities. External parties can view and
  take hard copy sections of the map, subject to
  data use statements and acknowledgements
• Sept 06 - Contract to be issued to all Local
  Authorities inviting them to sign and pay for the
  Flood Maps. The digital map (shapefiles) will
  be provided for all three return periods (coastal
  and fluvial) as well as supporting information.
• Nov 06 Official public release of the product
  on SEPA web site

13
Future

• Release of Maps in November
• Review and updating of the Maps
• Consider the Flood Map in relation to
• New and emerging legislation
• Changing flood risk
• Changes in flood estimation / modelling
  techniques