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New USGS dataset uncovers the Santiam River’s underwater topography to aid in fish habitat and water flow management

New USGS dataset uncovers the Santiam River’s underwater topography to aid in fish habitat and water flow management

A new dataset for the Santiam River in Oregon, published by the U.S. Geological Survey, provides a highly detailed underwater 3D elevation map that...

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We're monitoring and analyzing water conditions at Bethany Lake

We're monitoring and analyzing water conditions at Bethany Lake

The USGS is studying Bethany Lake, in Washington County, northwestern Oregon, to provide a comprehensive picture of how the lake’s water conditions...

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Saline Lake Ecosystems IWAA Fall 2024 Webinar Series

Saline Lake Ecosystems IWAA Fall 2024 Webinar Series

Join us for a weekly webinar series to learn about our work on the Saline Lakes Ecosystems IWAA.

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Willamette River plankton & water-quality update: August 2024

Willamette River plankton & water-quality update: August 2024

See what Phytoplankton we saw in our Willamette River water samples on August 14, 2024.

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Low-flow periods and trends across the United States

Low-flow periods and trends across the United States

The U.S. Geological Survey examines low-flow periods across the United States between 1951-2020.

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Surface-water extent in the Klamath Marsh

Surface-water extent in the Klamath Marsh

A recent U.S. Geological Survey report "Assessment of long-term changes in surface-water extent within Klamath Marsh, south-central Oregon, 1985–2021"...

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Willamette River plankton & water-quality update: July 2024

Willamette River plankton & water-quality update: July 2024

See what Phytoplankton we saw in our Willamette River water samples on July 8, 18, and 24th, 2024. 

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Mapping river channels and floodplains important to spring Chinook Salmon

Mapping river channels and floodplains important to spring Chinook Salmon

USGS collects data in support of the Willamette River Integrated Water Science Basin.

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USGS investigates geomorphic responses from drawdowns at Fall Creek Lake

USGS investigates geomorphic responses from drawdowns at Fall Creek Lake

How does draining Fall Creek Lake once a year change the land and river channels around it? 

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Willamette River plankton & water-quality update: May 2024

Willamette River plankton & water-quality update: May 2024

See what Phytoplankton we saw in our Willamette River water samples on May 14, 2024.

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Recharge to the Columbia River Basalt groundwater system

Recharge to the Columbia River Basalt groundwater system

A recent journal article "Timing and source of recharge to the Columbia River Basalt groundwater system in northeastern Oregon" is available online.

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Introducing the Harney Basin groundwater model

Introducing the Harney Basin groundwater model

Learn about the design, example groundwater pumping scenarios, and limitations of the Harney Basin groundwater model.

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