Publications

National Coastal Flood Hazard Mapping 2021 Flood Mapping Methodology Report

This report details the methodology used in the National Coastal Flood Hazard Mapping 2021 project to produce updated national scale coastal flood extent and depth maps. Maps were produced for the 50%, 20%, 10%, 5%, 2%, 1%, 0.5% and 0.1% Annual Exceedance Probabilities (AEPs) for the present day scenario and for the Mid-Range Future Scenario (MRFS), High End Future Scenario (HEFS), High+ End Future Scenario (H+EFS) and High++ End Future Scenario (H++EFS) which represent a 0.5m, 1.0m, 1.5m and 2.0m increase in sea level respectively.