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September 17, 2024

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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August 20, 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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August 5, 2024

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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August 3, 2024

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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July 24, 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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June 26, 2024

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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May 23, 2024

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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May 14, 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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April 15, 2024

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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March 22, 2024

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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November 29, 2023

Three historic USGS streamgages recognized by new World Meteorological Organization designation

The “centennial observing station” recognition —which includes streamgages for the first time—is part of an effort to maintain long-term earth...

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November 3, 2023

New project webpage: Modeling the water-quality effects to the Klamath River from drain recirculation

A recent U.S. Geological Survey report explores what could happen to nutrient loads in the Klamath River when water from the Klamath Straits Drain is...

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