Cover -- Half Title -- Title Page -- Copyright Page -- Summary -- Table of Contents -- List of Figures -- List of Tables -- Chapter 1: Introduction -- 1.1 Background and Motivation -- 1.2 Research objectives -- 1.3 Methodology -- 1.4 Outline of the thesis -- Chapter 2: A review of flood inundation modelling -- 2.1 Introduction -- 2.2 Flood modelling -- 2.3 Numerical modelling of floods -- 2.3.1 Governing flow equations -- 2.3.2 HEC-RAS and LISFLOOD-FP Models -- 2.3.3 Why LISFLOOD-FP? -- 2.4 Conclusions -- Chapter 3: Case studies and data availability -- 3.1 Introduction -- 3.2 Case study areas -- 3.2.1 River Ubaye, Ubaye Valle (Barcelonnette) -- 3.2.2 River Po, Italy -- 3.3 Topographic data -- 3.3.1 Model geometry input -- 3.3.2 Topographic data sources -- 3.4 Parametric data -- 3.4.1 Model parameters -- 3.4.2 Inflow discharge -- 3.5 Conclusions -- Chapter 4: Uncertainty in Flood Modelling -- 4.1 Introduction -- 4.2 Uncertainty analysis -- 4.2.1 Introduction -- 4.2.2 Methods -- 4.3 Inflow uncertainty -- 4.3.1 Rating curve uncertainty -- 4.3.2 Peak discharge uncertainty -- 4.4 Model structure -- 4.5 Communication of Model Uncertainty -- 4.5.1 Flood Mapping -- 4.5.2 Probabilistic flood mapping -- 4.6 Conclusions -- Chapter 5: Flood hazard maps and damage -- 5.1 Introduction -- 5.2 Flood impact analysis, Ubaye Valley, Barcelonnette -- 5.2.1 Preliminary analysis -- 5.2.2 Regional Risk Assessment (RRA) -- 5.2.3 Economic - Regional Risk Assessment (E-RRA) -- 5.2.4 Flood damages -- 5.3 Uncertainty in flood damage assessment -- 5.4 Conclusion -- Chapter 6: Usefulness of Probabilistic flood hazard maps -- 6.1 Introduction -- 6.2 Value Of Information (VOI) -- 6.2.1 Introduction -- 6.2.2 Application VOI to Ubaye valley (Barcelonnette) -- 6.3 Prospect Theory -- 6.3.1 Introduction -- 6.3.2 Making a decision