1. Federal Department of the Environment, Transport, Energy and Communications DETEC Federal Office for the Environment FOEN Towards a Swiss Flood Information System 2 nd expert meeting on hazard/disaster data EU Flood informationMay 19th 2011 Division

2. 2 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Topics Flood prevention in Switzerland Databases on floods Past flood events Flood protection investments Hazard maps Register of protection works Use and implication for flood prevention policies Perspectives

3. 3 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Responsibilities for flood control in Switzerland Federal GovernmentCantonal authoritiesMunicipalities Legislative authority Material framework Supervision Responsibilities for flood protection structures, emergency planning and emergency organization Execution Subsidies

4. 4 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Needs („Information detail“) Local / regional level National level International level

5. 5 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland inventory of events StorMe Process, date and time, area affected, damage inventory of events StorMe Process, date and time, area affected, damage Register of protective structures ProtectMe kind, type, dimension, year of erection, location, costs, state, maintenance  need for renewal, overview security infrastructure Register of protective structures ProtectMe kind, type, dimension, year of erection, location, costs, state, maintenance  need for renewal, overview security infrastructure Hazard index map process, pot. area affected for extreme event Hazard index map process, pot. area affected for extreme event Hazard Map / Magnitude Map process, probability, magnitude, area affected, techn. report Hazard Map / Magnitude Map process, probability, magnitude, area affected, techn. report further fundamental data AquaProtect, SilvaProtect, river cross sections, … further fundamental data AquaProtect, SilvaProtect, river cross sections, … concepts and measures planning, biological, technical, organisational concepts and measures planning, biological, technical, organisational damage potential object categories, standard values single objects, insurance value damage potential object categories, standard values single objects, insurance value dealing with residual risk emergency planning, warning, alerting, intervention, insurance dealing with residual risk emergency planning, warning, alerting, intervention, insurance land use “Arealstatistik”, population poll land use plans land use “Arealstatistik”, population poll land use plans risk standardised (EconoMe) detailed (MobiGIS) risk standardised (EconoMe) detailed (MobiGIS) local level Integral information system about natural hazards – Local level

6. 6 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Information System on Natural Hazards Data of national interest evaluations, data aggregation, analyses, overlay with further data, … where are the largest risks? → administration, insurance what is the state of the safety infrastructure? → politicians … commune canton federation local national is my house endangered? → private people, economy, insurance, …

7. 7 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Indicators FOEN Controlling Umweltbeobachtung NUS Geodaten CH Time (development) Information system on natural hazards national EEA WISE … international

8. 8 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Relation to other activities Environmental survey net Switzerland (NUS) FOEN Handling strategy Natural hazard (FOEN) Geoinformation act / Public information act Harmonization and access to geoinformation Protection of persons, goods and environment against natural hazards Overview on the environmental state for political and/or strategic decisions

9. 9 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Available informations and existing data base Structure plan Land planning Land use plan Building regulations Processes Other data Cadastral survey.Infoslide QPAGEWISS Hazards and Risks Hazard index map AquaProtectSilvaProtect Intensity map Events Event register StorMe WSL-Storm damage data base WSL historical data base Pfister histor. flood data base SLF Avalanche data base VAW Glacier inventory UNIZH Glacier Hazards „Administration“ / Finance / Maintenance ShowMe FLIPSUBAL ProtectMe State of hazard mapping Register of protection work Emergency management NEMISGIN Basic information TopographieAerial view Population data Land use … Permafrost: PERMAKART Earthquake Geologie Protection deficit map Protection goal map Hazard map Vulnerability

10. 10 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Topics Flood prevention in Switzerland Databases on floods Past flood events Flood protection investments Hazard maps Register of protection works Use and implication for flood prevention policies Perspectives

11. 11 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Integration of many other existing data bases floods, landslides, rock falls in Switzerland based on media articles (WSL) floods „Röthlisberger“ (WSL) Euro-ClimHist: histor. natural disasters (Pfister) damage causing avalanches (SLF) Glacier Hazards (Uni ZH) SBB, ASTRA … permafrost- related rock falls (PERMOS) past natural events inventory StorMe (old) damage data (insurance, others) others … Inventory dangerous glaciers (VAW)

12. 12 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland observations per year (7 cantons no entries) process yearavalancherock fall flood/ debris flowlandslidetotal 1998272413113861010 1999563601961861005 20005582296044061797 200131167216169583 20023292548055761964 200349721690012142827 200423528412915782388 20055482289138972586 2006197237111317623309 200713932313208542636 20081261815383191164 total349522208207734721269

13. 13 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland What is StorMe used for? standardized documentation of past events Hazard mapping (retrospective: potential endangered areas; frequency of events) Model validation Proof of potential danger Awareness of population (risk communication) controlling of effectiveness (hazard maps, planning technical, organisational measures) emergency planning

14. 14 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Concept of StorMe only simple export functions no GIS-functionalities no web-interface Data Owner: Cantons Coordination: FOEN survey forms 2 x/y coordinate pairs no polygons cantonal experts FOEN & research institutes only read consultant companies (with mandate)

15. 15 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Topics Flood prevention in Switzerland Databases on floods Past flood events Flood protection investments Hazard maps Register of protection works Use and implication for flood prevention policies Perspectives

16. 16 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Annual expenditure for security  640 mio € per year for security investments 140 mio. € We are forced to apply a method of priorization …

17. 17 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Investment Maintenance Finance Canton budget for flood protection investments Canton project planification for flood protection investments Data base on federal subsidies for flood protection Federal budget for flood protection investments Plausibility Fluctuation yearly census

18. 18 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Topics Flood prevention in Switzerland Databases on floods Past flood events Flood protection investments Hazard maps Register of protection works Use and implication for flood prevention policies Perspectives

19. 19 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Hazard and risk assessment 1 2 4 Hazard identification: "What can happen and where?“ register of events geomorphologic analysis Hazard assessment: "How often and how intensively can it happen?" hazard maps Planning of measures: "How can we protect ourselves?" spatial planning structural measures emergency planning 3 Risk assessment: “What is the potential loss?" risk maps

20. 20 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland... different information requirements StakeholdersScaleHazard mapsRisk maps Politics > 1:25’000 Hazard index maps Type of danger area concerned 1/1000 yr event covering all the territory number of persons affected global risk basis for policy dialogue Regional land use planning Identification of conflicts with settlements and infrastructure Reinsurance maximum damage costs Local land use planning 1: 2000 – 1: 10’000 Detailed hazard maps flood extent flood depth flow velocity (propagation time) probabilities 1/1000 yr, 1/100 yr, 1/20 yr Technical measures assets at risk / protection objectives priority setting for measures cost / benefit evaluation Emergency planning endangered persons and infrastructure high risks Insurance potential loss € / ha Population

21. 21 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Different maps for different users

22. 22 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Hazard Assessment  precision flood zones Aquaprotect hazard index map hazard map (until 2011 complete overview in CH) reality out of focus

23. 23 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Hazard Maps  GIS Portal Zurich

24. 24 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Hazard Maps  ShowMe

25. 25 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Aquaprotect  public illustration < 1 : 50‘000

26. 26 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Aquaprotect  for Experts return period 50 years return period 100 years return period 250 years return period 500 years

27. 27 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Topics Flood prevention in Switzerland Databases on floods Past flood events Flood protection investments Hazard maps Register of protection works Use and implication for flood prevention policies Perspectives

28. 28 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Aquaprotect Damage Potential per Canton

29. 29 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Different stakeholders... different needs Politician (politics) Spatial planner (land use planning) Flood engineer (technical measures) Civil protection (emergency planning) Insurer (insurance) Person affected (self-protection) Who needs what?

30. 30 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland... different scales International level (information, cooperation) National level (policies, strategies) Regional level (coordination, priorities) Local level (implementation) At which scale?

31. 31 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Requirements FOEN / Data of national interest Data needs of other stakeholders Different needs

32. 32 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Modular database construction for different needs «Compulsory» «Optimal» «Minimal»

33. 33 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Topics Flood prevention in Switzerland Databases on floods Past flood events Flood protection investments Hazard maps Register of protection works Use and implication for flood prevention policies Perspectives

34. 34 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Schedule Hazar mapping Event register 2008/09Data modelling 2010Implementation of data base 2011Data transfer 1st phase Vulnerability Protection work 2009/10Data modelling 2011Implementation of data base 2012Data tranfer 2nd phase Hazard map Hazard index map Intensity map Protection goal map Protection deficit map Emergency map … Redesign von StorMe: Content / GIS-Functions/ … Vulnerability Protection work Event register Hazard mapping 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 00,10,20,30,40,50,60,70,80,91 Time Effort

35. 35 Expert meeting on flood data| Brussels, May19th 2011 O. Overney Switzerland Thank you for your attention !