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flag NASA and USGS developed drone-based River Observing System (RiOS) to measure river flows for water resource management.

flag NASA and USGS have developed the River Observing System (RiOS), a drone equipped with thermal and visible cameras, altitude laser, navigation sensors, and wireless comms. flag RiOS measures river flows, providing up-to-date info on water speeds and patterns. flag Tested on the Sacramento River, it could help manage water resources and has potential for NASA's planetary missions. flag The system uses open-source software and produces detailed maps of water surface velocities.

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