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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 Phytoplankton update

Willamette River Phytoplankton update

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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Three historic USGS streamgages recognized by new World Meteorological Organization designation

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

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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New Publication - Assessing the Effects of Chloride Deicer Applications on Groundwater near the Siskiyou Pass, Southwestern Oregon

New Publication - Assessing the Effects of Chloride Deicer Applications on Groundwater near the Siskiyou Pass, Southwestern Oregon

The U.S. Geological Survey, in cooperation with the Oregon Department of Transportation, evaluated the effects of cold-weather chloride deicers (road...

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USGS Oregon streamflow station recognized by the World Meteorological Organization

USGS Oregon streamflow station recognized by the World Meteorological Organization

Did you know Oregon is home to an internationally recognized streamflow monitoring station?  

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Oregon Water Science Center Deploys Water-Quality Monitor to Study Harmful Algal Blooms in the Lower Willamette River in Portland, Oregon

Oregon Water Science Center Deploys Water-Quality Monitor to Study Harmful Algal Blooms in the Lower Willamette River in Portland, Oregon

USGS has a new seasonal water-quality monitoring station on the dock at the Oregon Museum of Science and Industry (OMSI). The data informs and alerts...

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Chinook salmon spawn in the Middle Santiam River

Chinook salmon spawn in the Middle Santiam River

The Middle Santiam River is a tributary of the South Santiam River in the Willamette River basin. 

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Models examine how climate change may affect Oregon's Crater Lake

Models examine how climate change may affect Oregon's Crater Lake

How will climate change affect deep water mixing in Crater Lake? 

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