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Installing a thermal imaging system

By Pacific Coastal and Marine Science Center
A man pushes a pole upright into its stabilization frame, surrounded by other equipment and palm trees.
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Detailed Description

USGS scientists install a thermal imaging system in the National Park of American Samoa off the south shore of Ofu, Manua. The system detects temperature variations, like a colder freshwater plume that emanates from the shore.

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Public Domain.

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