File:Radon detector setup.jpg

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Original file (1,500 × 1,125 pixels, file size: 377 KB, MIME type: image/jpeg)

Captions

Captions

USGS physical scientist Cordell Johnson installs a special buoy in the waters of the National Park of American Samoa on Ofu in the Manuʻa Islands Group, American Samoa.

Summary

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Description
English: USGS physical scientist Cordell Johnson installs a special buoy in the waters of the National Park of American Samoa on Ofu in the Manuʻa Islands Group, American Samoa. The special buoy, developed by USGS scientists, measures radon on the reef. Radon is a marker of submarine groundwater discharge that brings low-salinity waters, and sometimes nutrient- and contaminant-laden waters, to the coral reefs.
Date
Source U.S. Geological Survey
Author Curt Storlazzi, USGS Pacific Coastal and Marine Science Center. Public domain.

Licensing

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Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Date/TimeThumbnailDimensionsUserComment
current15:42, 16 April 2020Thumbnail for version as of 15:42, 16 April 20201,500 × 1,125 (377 KB)MartinB29 (talk | contribs)Uploaded a work by Curt Storlazzi, USGS Pacific Coastal and Marine Science Center. Public domain. from [https://www.usgs.gov/media/images/radon-detector-setup U.S. Geological Survey] with UploadWizard

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