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USGS Scientist Preparing a Submersible Instrument Package

By Environmental Health Program 2007 (approx.)
USGS scientist preparing a submersible instrument package that is used to collect water-quality data on the San Francisco Bay
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Detailed Description

USGS scientist preparing a submersible instrument package that is used to collect water-quality data on the San Francisco Bay, Calif., during a cruise of the USGS Research Vessel Polaris. The instrument includes sensors for measuring depth, conductivity, temperature, suspended solids, chlorophyll, light penetration, and dissolved oxygen.

Sources/Usage

Public Domain.