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Gross Primary Production (GPP) data used in a USGS National Water Quality Project assessing nutrients in agricultural streams

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 10:10 PM | Dataset Last Updated: August 27, 2020 at 12:00 AM
This dataset includes Gross Primary Production (GPP) estimates at 46 agricultural streams around the United States. GPP values are based upon the single-station dissolved oxygen method with data collected at 5-min intervals over a 24-hour period. GPP data is presented as grams dissolved oxygen per meter square per day.

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