<p>➀ The Düsseldorf Regional Council and Fraunhofer IOSB conducted a pioneering project using an autonomous water drone to survey a 6 km stretch of the Ruhr River, capturing high-resolution data from both deep and shallow areas for the first time.</p><p>➁ The drone, equipped with sonar and optical sensors, mapped underwater terrains and obstructions with unprecedented precision while minimizing ecological impact by avoiding manual entry into sensitive zones.</p><p>➂ Fraunhofer IOSB aims to collaborate with industry partners to scale the technology for broader applications in water management and flood prediction, following successful real-world testing.</p>