Managing river corridors has reached unprecedented complexity as flood risk management, biodiversity recovery, climate adaptation, and competing land uses continuously overlap. While risk management authorities and environmental teams now have access to more data than ever—from topographic and bathymetric surveys to hydraulic models and continuous sensor networks—this information often ends up fragmented across disparate systems and technical reports. Writing for Flood Industry magazine, Mike Hopkins of Storm Geomatics outlines how the development of the River Digital Twin® addresses this challenge by integrating survey-grade geospatial data, hydraulic outputs, and real-time monitoring into a single, highly visual operational framework.
Rather than replacing conventional hydraulic modelling or physical baseline surveys, the River Digital Twin® acts as a unifying digital asset built upon a modular four-stage approach. The process begins with establishing high-resolution river intelligence using UAV LiDAR, photogrammetry, laser scanning, and multibeam riverbed surveys to map above and below the water line. This baseline is processed into a hydrologically correct Digital Terrain Model to evaluate flow paths and storage volumes, followed by the integration of live environmental sensors—such as water level, rainfall, and soil moisture gauges—to track continuous dynamic changes over time. The final operational stage combines these datasets with physics properties based on Saint-Venant shallow water equations, enabling multi-disciplinary teams to explore "what-if" scenarios for nature-based solutions, flood events, and habitat creation schemes within a shared visual environment.
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The practical application of the concept is demonstrated at Halford Flood Meadow on the River Stour in Warwickshire, where survey datasets and ongoing environmental monitoring were brought together to support habitat enhancement and seasonal floodplain management. By allowing engineers, ecologists, regulators, landowners, and local communities to intuitively explore the site in a real-world context, the technology bridges the gap between technical data and collaborative decision-making, ensuring complex information is accessible to everyone involved in managing river catchments.
To read the full article and explore the complete four-stage methodology and video demonstrations in detail, visit the full feature in the latest digital edition of Flood Industry magazine.

