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Chirp sub-bottom profiler deployment

By Pacific Coastal and Marine Science Center
A man guides a data collection instrument, that is strapped to two large pontoons, out into water from the stern of a boat.
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Detailed Description

USGS scientist Jackson Currie deploys a chirp sub-bottom profiler (in the center) from research vessel Parke Snavely. The chirp is attached to pontoons to keep the equipment from running aground in the shallow waters of San Pablo Bay, California.

Sources/Usage

Public Domain.