1. River regimes rainfall reservoir meander erosion deposition levee water quality flooding water management river course human impact 2. Coastal deposition spit hydraulic action weathering longshore drift soft engineering coastal erosion coastal management coastal flooding 3. Plate margins earthquake hazard constructive margin hot spot volcanic eruption cyclone damage emergency aid vulnerability to hazard 4. Natural hazard preparedness vulnerability tropical cyclone impact earthquake mitigation volcanic hazard tsunami ash lava pyroclastic flow 5. Resource-based analysis map interpretation figure referencing physical geography data application analytical geography diagram-supported explanation 6. Physical geography human interaction hazard environment sustainable management natural processes response strategy landform influence coastal system