Assoc. Prof. John Minnery School of Geography Planning & Environmental Management, The University of Queensland, Brisbane, Australia

Transcription

1 Assoc. Prof. John Minnery School of Geography Planning & Environmental Management, The University of Queensland, Brisbane, Australia

2 Overview

3 1. Introduction and Australian Context 2. Priority Challenges 1. Understanding risk 2. Linking research, policy and expertise 3. Built environment 3. Current and Future Strategies 1. Understanding risk 2. Linking research, policy and expertise 3. Built environment 4. Summary

4 1. Introduction and Australian Context

5 I love a sunburnt country, A land of sweeping plains, Of ragged mountain ranges, Of droughts and flooding rains Dorothea Mackellar Australia, 1909 Source: The Telegraph 2009 Source: Mail Online 2013

6 Australia faces a range of natural hazards impacting on urban areas (e.g. severe bushfires where there are dry hot summers; severe flooding with warm wet summers and cyclones) Australia 87% urban, and most cities on rivers near the coast Relatively small river catchments so floods from intense, local rainfall and small number of local authorities to coordinate Brisbane floods, January, 2011 (Courier Mail)

7 Rainfall near Brisbane January 10 th, 2011, for January 2011 floods

8 Federal system of government Urban flood management State (and local government) responsibility and no single national urban flood management plan But national guidelines agreed by the Council of Australian Governments National Strategy for Disaster Resilience (COAG 2011) Natural Disaster Relief and Recovery Arrangements funds from National government (up to 75%), rest from States and local governments (Disaster Assist 2013) Approaches are different in each State here Queensland and New South Wales Source: lia/

9 Assumptions: Explore Australian (Queensland) experience that may be useful elsewhere Climate change: more frequent, more intense events, but on top of the serious floods we now face

10 National Strategy for Disaster Resilience (COAG 2011) identifies seven priority areas (three especially relevant to managing urban floods): 1. Leading change and coordinating effort between governments, NGOs and businesses 2. Understanding risks: risk assessments with consistent methodologies and data frameworks and good information 3. Communicating with and educating people about risks 4. Linking policy, research and operational expertise 5. Empowering individuals and communities to exercise choice and take responsibility 6. Reducing risks in the built environment: translating knowledge into relevant controls and planning approaches. 7. Supporting capabilities for disaster resilience

11 2. Priority Challenges

12 Understanding Risk Knowledge: Mapping of floodplains, modelling floods, knowing flow characteristics National Flood Risk Information Program from 2012 Identifying vulnerability and the way it is changing -- demographic characteristics and demographic forecasts, mapping infrastructure, using GIS and satellite imagery Understanding urban growth and change Communicating risk to communities

13 Linking Research, Policy and Expertise Policy actions flow from clear prioritisation (QRA 2011) Planning for future, linking flood expertise with land use planning expertise Research on benefits and costs, impacts, effectiveness Understanding policy on funding priorities...

14 For example in PPRR cycle, most attention to response and recovery, not to prevention or preparation Commonwealth Expenditure on NDRRA vs Mitigation and Resilience (Source: QRA 2012, Figure 7, p. 20)

15 Built Environment Vulnerability Urban flood management must deal with: Managing impacts in already vulnerable areas Reducing impacts on future development

16 3. Current and Future Strategies

17 Understanding Risk National Flood Risk Advisory Group made up of all three levels of government, insurance industry, building regulators, emergency services and researchers GeoScience Australia mapping and providing national guidelines on flooding ( Queensland Reconstruction Authority mapping at local government level to prioritise risk (QRA 2011)

18 Linking Research, Policy and Expertise Many researchers (e.g. Biggs 2002; Childs et al. 2010) Advice based on research (SCARM 2000) Investigation of recent floods (Queensland Flood Commission of Inquiry 2011) Evaluation of past efforts (QRA 2012; Thomas et al. 2011; World Bank 2011, Molino Stewart 2012)

19 For example, understanding benefits and costs of actions taken (Charleville levee built in 2005 after 1997 floods) Estimate of Affected Properties in Charleville With and Without Levee in 2012 (Source: QRA 2012, Figure 6, p. 9)

20 Charleville levee in 2012 (

21 Built Environment: Existing areas Coordination of managing floodplains that affect urban areas, such as Hawkesbury-Nepean Rivers floodplain management strategy (H-NFMAC 1997) Building regulations after floods Brisbane Temporary Planning Instrument allowing houses to be raised Engineering solutions such as levees (QRA 2012)

22 Removal of vulnerable communities or houses Number of examples in NSW in the 19 th century (e.g. Gundagai, 1852)(Keys 2008) Grantham in SEQ in 2011 Now being more openly discussed in Queensland (e.g. North Bundaberg in 2013) Problems of cost of compensation, plus social costs Other non-structural solutions (changing land use, etc) (Lord Mayors Task Force on Suburban Flooding 2005)(see also Andjelkovic 2001)

23 Built Environment: Future State Planning Policy 1/03 (Queensland) inclusion of flood hazards in town planning schemes Identifying priorities: fit-for-purpose floodplain management (QRA 2011a, b) National guidelines for disasters but implemented through States Using NDRRA funds to improve not just replace infrastructure

24 4. Summary

25 Challenges: Understanding and communicating risk Linking flood management to other relevant expertise, such as demography, land use planning Dealing with existing as well as future urban conditions Current and future actions: National funding and guidelines but State initiatives, even for identifying risk Many research and policy initiatives, but should include better evaluation of past policies and initiatives Planning for new land development is improving but gap in dealing with existing vulnerable areas Build a better future not just restore the past

26 Thank You John Minnery (Courier Mail)

27 References and Reports

28 Andjelkovic, Ivan (2001) Guidelines on non-structural measures in urban flood management, International Hydrological Programme, UNESCO, Paris Biggs, Ruth (2012) Paying for disaster recovery: Australia s NDRRA and the United States NFIP, Australian Journal of Emergency Management, 27(2): Childs, Iraphne, Hastings, Peter, Bajracharya, Bhishna, & Godber, Allison (2010) Policy into Practice: Adoption of Hazard Mitigation Measures by Local Government in Queensland, Institute for Sustainable Resources, Queensland University of Technology, Brisbane. Council of Australian Governments (2011) National Strategy for Disaster Resilience: Building the resilience of our nation to disasters, Council of Australian Governments, Canberra. Available at Accessed 27 February, Hawkesbury-Nepean Flood Management Advisory Committee (1997) Achieving a Hawkesbury-Nepean Floodplain Management Strategy, The Committee, Windsor, NSW. High Level Officials Group (HLOG) (2004) Natural disasters in Australia: Reforming mitigation, relief and recovery arrangements, Report to the Council of Australian Governments, Department of Transport and Regional Services, Canberra.

29 Keys, Chas (2008) Making Communities Safer in Times of Flood: The story of the Floodplain Management Authorities of New South Wales, Floodplain Management Authorities of NSW Lord Mayor s Task Force on Suburban Flooding (2005) Strategies to reduce the effect of significant rain events on areas of Brisbane prone to flooding, LMTFSF, Brisbane Mail Online (2013) No respite: Australian towns warned they could be under water for more than a week, Available at /Australia-floods-Theodore-Bundaberg-Condamine-water-week.html Molino Stewart P/L (2012) Hawkesbury-Nepean Flood Damage Assessment: Final Report for Infrastructure NSW, September Available at mages_report_final.pdf Disaster Assist (2013) Natural Disaster Relief and Recovery Arrangements, available at ecoveryarrangementsndrra.aspx Queensland Floods Commission of Inquiry (2012) Final Report, Queensland Floods Commission of Inquiry, Brisbane. Available at Queensland Reconstruction Authority (2011a) Planning for stronger, more resilient floodplains: Part 1 Interim measures to support floodplain management in existing planning schemes, QRA, Brisbane. Available at

30 Queensland Reconstruction Authority (2011b) Planning for stronger, more resilient floodplains: Part 2 Measures to support floodplain management in future planning schemes, QRA, Brisbane. Available at Queensland Reconstruction Authority (2012) Mitigation Effectiveness Case Study: Charleville Levee 2012 flood event, QRA, Brisbane. Standing Committee on Agriculture and Resource Management (SCARM) (2000) Floodplain Management in Australia: Best Practice Principles and Guidelines, CSIRO Publishing for Commonwealth of Australia and Agriculture and Resource Management Council of Australia and New Zealand, Collingwood, Melbourne. The Telegraph (2009) Australian Bushfires: Managing the Deadly Infernos. Available at /Australian-bushfires-Managing-the-deadly-infernos.html Thomas, Melanie, King, David, Keogh, Diane U., Apan, Armando & Mushtaq, Shahbaz (2011) Resilience to climate change impacts: A review of flood mitigation policy in Queensland, Australia based on case studies of flood events in 2008, Australian Journal of Emergency Management, 26(1): UN International Strategy for Disaster Reduction, World Conference on Disaster Reduction (2005) Hyogo Framework for Action : Building the resilience of nations and communities to disasters. Available at World Bank (2011) Queensland Recovery and Reconstruction in the Aftermath of the 2010/2011 Flood Events and Cyclone Yasi, The World Bank Group, Washington DC.