Integrating GIS-AHP and HEC-RAS for Flood Risk Indexing and Floodplain Mapping in Bagac, Bataan, Philippines
Floods pose a growing threat to low-lying coastal communities in the Philippines, yet local risk assessments remain limited. This study presents a comprehensive framework combining Geographic Information Systems (GIS), the Analytical Hierarchy Process (AHP), and the Hydrologic Engineering Center’s River Analysis System...