Strategic Management of Flood Risk

Contents List of figures ix
List of tables xi
List of plates xv
Foreword xvii
Preface xix
Acknowledgements xxi
About the authors xxiii
Glossary xxv
Abbreviations xxxi
1 Introduction 1
2 Flood risk 3
2.1 Understanding flood behaviour 3
2.2 Understanding flood risk 4
2.3 Factors that can influence flood risk 8
3 Strategic management of flood risk to
communities 13
3.1 Why is this important? 13
3.2 Key factors for developing successful
management strategies 13
3.3 What is strategic flood risk management
for communities? 20
3.4 Where do we start? 24
3.5 Benefits of the strategic management
of flood risk to communities 30
4 Sustainable governance arrangements 33
4.1 Introduction 33
4.2 High-level government support and
direction 35
4.3 Local implementation 39
4.4 Role of individuals in the community 41
4.5 Role of the non-government sector 42
4.6 Interaction within and between
government levels 43
4.7 Linkages with the community 44
5 Establishing a flood risk management
framework 47
5.1 Local governance-level activities 48
5.2 Floodplain-specific management process 57
6 Understanding flood behaviour 65
6.1 When flood behaviour is generally
examined 66
6.2 Data collection 66
6.3 Flood studies for communities 70
6.4 Spatial flood information 75
7 Consequences of floods 79
7.1 Consequences for people 80
7.2 The economy 89
7.3 The environment 91
7.4 Public administration 91
7.5 Social setting 92
8 Understanding current management practices
and risk 93
8.1 Acceptability of risk 94
8.2 Understanding flood risk to the existing
community 96
8.3 Understanding how flood risk changes due
to community growth 101
8.4 Understanding how flood risk may change
with changing climate 105
9 Risk management 109
9.1 Managing flood risk to the existing
community 113
9.2 Managing flood risk to, and resulting from,
new development 134
9.3 Managing flood risk to, and resulting from,
infrastructure 161
9.4 Dealing with uncertainty in flood behaviour
in decision-making 163
10 Prevention activities (aimed at risk reduction) 165
10.1 Flood information 165
10.2 Flood-related development controls 174
10.3 Community infrastructure 177
10.4 Flood mitigation measures 178
11 Preparation, response and recovery activities 189
11.1 Flood warning 189
11.2 Emergency management for floods 197
11.3 Community flood preparedness 204
11.4 Community recovery 205
11.5 Flood insurance 209
11.6 Lessons learned 211
12 References and further reading 217
Index 229