Rapid Flood Inundation Mapping and Flood Shelter Suitability Analysis in Bangladesh
Floods are frequent natural hazards that produce an unusual water overflow that submerges a large area, affecting the frontline communities, their livelihood, environmental vulnerability, and increasing social and economic consequences. In the past few decades, average flood frequency, intensity, and duration have increased, seriously impacting low-lying countries. Knowing the areas inundated by floods is essential to mitigate the effects of the disaster. With timely flood information and early warnings, agencies and organisations involved in disaster management can speed up emergency response for relief and rescue measures. Rapid flood maps provide crucial inputs for assessing the extent of inundation areas and flood severity. In this masterclass, we will demonstrate a reproducible and automated method based on Google Earth Engine (GEE) to generate rapid flood magnitude data nationally. The seminar will enable the timely production of GIS and remote sensing data layers, along with the procedure of identifying suitable locations for flood shelters, enhancing disaster preparedness in Bangladesh.