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Found 28 dataset(s) matching "Willamette River at Portland, OR".

Contaminant Data and Growth and Survival Measurements From Juvenile Chinook Salmon Dietary Exposure Study 2020-02-02 to 2021-04-19 (NCEI Accession 0290149)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-21T00:00:00.000+00:00 | Harvested: October 04, 2025 at 02:03 AM
The data included in this package were conducted as part of a Natural Resource Damage Assessment (NRDA) addressing historical pollution at the designated Superfund site. The National Oceanic and...
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Phytoplankton data for samples collected at eleven large river sites throughout the United States, June through October 2018
- Organization: Department of the Interior
- Updated: 20210924 | Harvested: July 16, 2025 at 02:03 PM
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from eleven large river sites throughout the United States, from June through October 2018. All...
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Phytoplankton tally sheet, including photomicrographs, for samples collected at eleven large river sites throughout the United States, June through September 2017
- Organization: Department of the Interior
- Updated: 20230710 | Harvested: July 18, 2025 at 01:25 AM
This U.S. Geological Survey (USGS) Data Release provides the phytoplankton tally sheet, including photomicrographs, for samples collected from eleven large river sites throughout the United...
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Phytoplankton data for samples collected at eleven large river sites throughout the United States, June through September 2017
- Organization: Department of the Interior
- Updated: 20200820 | Harvested: July 18, 2025 at 01:29 AM
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from eleven large river sites throughout the United States, from June through September 2017. All...
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Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at eleven large river sites throughout the United States, June through October 2018
- Organization: Department of the Interior
- Updated: 20210924 | Harvested: July 16, 2025 at 02:05 PM
This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected from eleven large river sites...
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Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at eleven large river sites throughout the United States, June through September 2017
- Organization: Department of the Interior
- Updated: 20200820 | Harvested: July 18, 2025 at 01:22 AM
This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected from eleven large river sites...
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Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at twelve large river sites throughout the United States, June through October 2019
- Organization: Department of the Interior
- Updated: 20221123 | Harvested: July 16, 2025 at 10:23 AM
This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected from twelve large river sites...
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Portland DDU Feasibility Study: The Spatial and Temporal Evolution of the Portland and Tualatin Basins, Oregon, USA
- Organization: Department of Energy
- Updated: 2019-08-08T22:09:48Z | Harvested: June 28, 2025 at 02:45 AM
The Portland and Tualatin basins are part of the Puget-Willamette Lowland in the Cascadia forearc of Oregon and Washington. The Coast Range to the west has undergone Paleogene transtension and...
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