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State-of-the-art satellite monitoring for Bristol Water’s dams

By Eric Van Rees - 8th July 2021 - 04:27

Bristol Water will remotely monitor its 15 dams from space using pioneering DAMSAT technology.

The move demonstrates its continued commitment to protecting downstream communities and ties in with the recently published Balmforth review on reservoir safety.

DAMSAT is cited in the review, which was commissioned in the wake of the near failure at Toddbrook Reservoir, as a way to help dam owners comply with the report’s recommendations. The team behind the commercially-available system hopes that DAMSAT will increase the effectiveness of monitoring, allow better allocation of maintenance resources, and drive down costs.

Developed by HR Wallingford, DAMSAT uses satellite Earth Observation techniques – including the analysis of spectral responses from satellite images and signals from navigation satellite systems – combined with real-time in-situ monitoring devices.

The technology can monitor and predict a host of safety indicators including: dam movement; leakage and pollution; and water level changes. Extensively piloted on over 30 tailings and water dams in Peru, DAMSAT is designed with the user in mind, offering a suite of individual modules that can be selected to best suit the particular dam and users’ needs.

Opportunities to employ the leading-edge monitoring are considerable. Globally, nearly 60,000 dams are registered with the International Commission for large Dams (ICOLD), which are estimated to hold 16,201 km3 of water - the same volume as around 6.5 billion Olympic-sized swimming pools.

Read More: Satellite Positioning, Navigation & Timing (PNT) Satellite Imaging Environmental Management

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