Flood detection is a research area that focuses on the development of technologies and methods for the early detection and monitoring of floods. This includes the use of various sensors, satellite data, and other tools to gather information on water levels, weather patterns, and other relevant factors that can help predict and prevent floods. The goal of flood detection research is to provide advanced warning systems that can help minimize the impact of flooding on communities and infrastructure. This research area often involves collaboration between scientists, engineers, and policymakers to develop effective strategies for flood detection and mitigation.