Sensors on ferry to monitor water quality in Puget Sound

The video explains how ferries equipped with Doppler current sensors are used to monitor water quality in the Puget Sound Estuary. As ferries travel across Admiralty Reach, sensors send sound waves down the water column to measure the speed and direction of water flow. This data helps scientists understand the impact on algal blooms in the estuary.

Describe the process by which current sensors calculate water flow.

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What impact do algal blooms have on the waters of Puget Sound?

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