Unified Interior Regions

Washington

Washington's Puget Sound is a complex ecosystem directly adjacent to a robust metropolitan area that scientists from the USGS Western Fisheries Research Center study. Recent surveys have looked at juvenile surf smelt, a key link in the food web that are consumed by predators such as salmon, orca, and many marine birds. 

Western Fisheries Research Center

Western Fisheries Research Center

Research at the WFRC focuses on the environmental factors responsible for the creation, maintenance, and regulation of fish populations including their interactions in aquatic communities and ecosystems. 

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Washington Water Science Center

Washington Water Science Center

The Water Science Center's mission is to collect, analyze and disseminate the impartial hydrologic data and information needed to wisely manage water resources for the people of the United States and the State of Washington.

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States L2 Landing Page Tabs

Filter Total Items: 262
Date published: August 19, 2020
Status: Completed

2019 Geophysical surveys and instrumented tripod deployment in and around Astoria Canyon

Geophysical data collected and instrumented tripods deployed in and around Astoria Canyon offshore of the Washington/Oregon border in 2019, a USGS-University of Washington partnership

Contacts: Jenna C Hill
Date published: August 18, 2020
Status: Completed

2019 Regional geophysical surveys of northern and central Cascadia (offshore Washington and Oregon)

Geophysical data collected offshore of Washington and Oregon in 2019, a USGS-University of Washington partnership

Contacts: Janet Watt
Date published: August 14, 2020
Status: Completed

2018 USGS-NOAA multibeam bathymetry surveys

Multibeam bathymetric surveys conducted offshore of Oregon and northern California in 2018, a USGS-NOAA partnership

Contacts: Janet Watt
Date published: August 12, 2020
Status: Active

Ecosystems: EXPRESS

The continental shelf and slope offshore California, Oregon, and Washington are home to deep-sea corals, chemosynthetic communities, and other sensitive habitats that could be impacted by the development of energy and mineral resources. The EXPRESS campaign will map and...

Date published: June 23, 2020
Status: Active

Hazards: EXPRESS

Marine geohazards including earthquakes, landslides, and tsunamis lie offshore of densely populated areas of California, Oregon, and Washington. One goal of EXPRESS is to improve assessments of these hazards.

Date published: June 23, 2020
Status: Active

Resources: EXPRESS

Along the U.S. west coast, the Pacific Ocean, ocean floor, and winds above contain potentially vast energy and mineral resources. Developing these resources safely and wisely requires detailed information for each area of interest. One goal of EXPRESS is to inform ocean...

Date published: June 18, 2020
Status: Active

Recreational Birdwatching and Habitat

Thousands of visitors flock to the Billy Frank Jr. Nisqually National Wildlife Refuge every year to look for birds both rare and common. Birdwatching activities contribute to economic activity for the Nisqually area and play a role in the broader outdoor-loving culture of the Pacific Northwest.

 

Date published: June 18, 2020
Status: Active

Fisheries and Fish Habitat

The estuarine habitat of the Delta is critical to the production of salmon, which supports recreational, commercial, and subsistence fishing. The combination of shaded pools, shallow reaches, and a rich prey population provide excellent feeding grounds for juvenile fish. Fishing also holds great importance in the cultural practices of the Nisqually Tribe.

Date published: June 18, 2020
Status: Active

Marsh Elevation Change and Carbon Sequestration

Tidal marsh vegetation grows in a narrow elevation zone between sea level and the upland behind it. These plant communities have evolved to accumulate sediment over time and maintain their relative elevation with gradual rates of change in sea level. It is uncertain which marsh vegetation communities will be able to accumulate sediment at a rate that keeps pace with accelerated sea level rise...

Date published: June 15, 2020
Status: Active

An Ecosystem Services Assessment of the Nisqually River Delta, South Puget Sound, Washington

Overview of Nisqually River Delta ecosystem services modeling

Date published: May 29, 2020
Status: Completed

The Blind Zone of Earthquake Early Warning

Residents in California, Oregon, and Washington have been told that earthquake early warning (EEW) is at their doorstep and will alert them to the shaking from an earthquake before it arrives. Some media reports have said there will be “up to a minute of warning”. The problem is, for onshore earthquakes these claims are exaggerated, and under some conditions a warning is not scientifically or...

Date published: May 5, 2020
Status: Active

LCMAP Change Stories: Where the Ocean Eats the Land

The unincorporated hamlet of North Cove, WA is the owner of a rather unfortunate superlative: fastest-eroding place in the West Coast.

Attribution: Land Resources
Filter Total Items: 189
Date published: January 1, 2019

Surface-sediment grain-size distributions of the Elwha River delta, Washington, July 2017

This portion of the data release presents sediment grain-size data from samples collected on the Elwha River delta, Washington, in July 2017 (USGS Field Activity 2017-638-FA). Surface sediment was collected from 80 locations using a small ponar, or 'grab', sampler from the R/V Frontier in water depths between about 1 and 17 m around the delta. An additional 31 samples were colle

Date published: January 1, 2019

Wave observations from bottom-mounted pressure sensors in Skagit Bay, Washington from Dec 2017 to Feb 2018

RBRduo pressure and temperature sensors (early 2015 generation), mounted on aluminum frames, were moored in shallow (< 6 m) water depths in Skagit Bay to capture wave heights and periods. Continuous pressure fluctuations are transformed into surface-wave observations of wave heights, periods, and frequency spectra at 30-minute intervals.

Date published: January 1, 2019

Nearshore bathymetry data from the Elwha River delta, Washington, July 2017, collected from kayak

This part of the data release presents bathymetry data from the Elwha River delta collected in July 2017 using a kayak. The kayak was equipped with a single-beam echosounder and a survey-grade global navigation satellite system (GNSS) receiver.

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2018

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2018 (USGS Field Activity Number 2018-652-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2017

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2017 (USGS Field Activity Number 2017-666-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2015

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2015 (USGS Field Activity Number 2015-647-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2016

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2016 (USGS Field Activity Number 2016-663-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Date published: January 1, 2019

Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2015

This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2015 (USGS Field Activity Number 2015-647-FA). Bathymetry data were collected using four personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The sonar sy

Date published: January 1, 2019

Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2014

This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2014 (USGS Field Activity Number 2014-631-FA). Bathymetry data were collected using four personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The sonar sy

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2019

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2019 (USGS Field Activity Number 2019-632-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Date published: January 1, 2019

Beach topography of the Columbia River littoral cell, Washington and Oregon, 2014

This portion of the USGS data release presents topography data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon, in 2014 (USGS Field Activity Number 2014-631-FA). Topographic profiles were collected by walking along survey lines with global navigation satellite system (GNSS) receivers mounted on backpacks. Prior to data collection, vertic

Filter Total Items: 803
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Year Published: 2019

A spatial model of streaked horned lark breeding habitat in the Columbia River, USA

The streaked horned lark (hereafter “lark”; Eremophila alpestris strigata) is a federally listed bird subspecies of the Pacific Northwest that occupies open landscapes with short vegetation and abundant bare ground. Across its breeding range, which has contracted dramatically, the lark relies primarily on human-modified habitats maintained in...

Hatten, James; Slater, Gary L.; Treadwell, Jerrmaine L.; Stevenson, Matthew R.

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Year Published: 2019

Extreme coastal water level in Washington state: Guidance to support sea level rise planning

This document provides guidelines for assessing exposure to future coastal flooding during extreme coastal water level events – whether these are due to tides, surge, wave run-up, or, more likely, a combination of the three. These guidelines provide information about the current and future magnitude of extreme coastal water levels across...

Yang, Z.; Mauger, G.S.; Morgan, H.F.; Miller, I.M.; vanArendonk, Nathan R.; Grossman, Eric E.
Miller, I.M., Yang, Z., VanArendonk, N., Grossman, E., Mauger, G. S., Morgan, H., 2019. Extreme Coastal Water Level in Washington State: Guidance to Support Sea Level Rise Planning. A collaboration of Washington Sea Grant, University of Washington Climate Impacts Group, Oregon State University, University of Washington, and U.S. Geological Survey. Prepared for the Washington Coastal Resilience Project.

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Year Published: 2019

Effects of experimental removal of Barred Owls on population Demography of Northern Spotted Owls in Washington and Oregon—2018 Progress Report

Populations of Northern Spotted Owls (Strix occidentalis caurina; herineafter referred to as Spotted Owl) have declined throughout the subspecies’ geographic range. Evidence indicates that competition with invading Barred Owls (S. varia) has contributed significantly to those declines. A pilot study in California showed that removal of Barred Owls...

Wiens, J. David; Dugger, Katie M.; Lesmeister, Damon B.; Dilione, Krista E.; Simon, David C.
Wiens, J.D., Dugger, K.M., Lesmeister, D.B., Dilione, K.E., and Simon, D.C., 2019, Effects of Barred Owl (Strix varia) removal on population demography of Northern Spotted Owls (Strix occidentalis caurina) in Washington and Oregon, 2015–18: U.S. Geological Survey Open-File Report 2019-1074, 17 p., https://doi.org/10.3133/ofr20191074.

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Year Published: 2019

A 4000-year history of debris flows in north-central Washington State, U.S.A.: Preliminary results from trenching and surficial geologic mapping at the Pope Creek fan

Long-term records of the magnitude and frequency of debris flows on fans are rare, but such records provide critical information needed for debris-flow hazard and risk assessments. This study explores the history of debris flows on a fan with seasonally inhabited cabins at Pope Creek along the Entiat River about 48 km upstream from the town of...

Coe, Jeffrey A.; Bessette-Kirton, Erin; Slaughter, Stephen; Rengers, Francis K.; Contreras, Trevor A.; Michelson, Katherin A; Taylor, Emily; Kean, Jason W.; Jacobacci, Kara; Hanson, Molly A
Coe, J.A., Bessette-Kirton, E.K., Slaughter, S.L., Rengers, F.K., Contreras, T.A., Mickelson, K.A., Taylor, E.M., Kean, J.W., Jacobacci, K.E., Hanson, M.A., 2019, A 4000-year history of debris flows in north-central Washington State, U.S.A.: preliminary results from trenching and surficial geologic mapping at the Pope Creek fan, in Kean, J.W., Coe, J.A., Santi, P.M., and Guillen, B.K., eds., Debris-Flow Hazards Mitigation: Mechanics, Monitoring, Modeling, and Assessment, Proceedings of the 7th International Conference on Debris Flow Hazards Mitigation, Golden, Colorado, p. 613-620.

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Year Published: 2019

Distribution of adult Chinook salmon (Oncorhynchus tshawytscha) in relation to water temperatures, Lake Scanewa, Cowlitz River, Washington, 2012

A trap-and-haul program is operated to move anadromous Pacific salmon (Oncorhynchus spp.) around dams and reservoirs in the Cowlitz River basin, Washington. The primary release site for adult fish is in Lake Scanewa, a small reservoir created by Cowlitz Falls Dam, the uppermost dam in the basin. Releases in the reservoir are terminated when...

Kock, Tobias J.; Ekstrom, Brian K.; Liedtke, Theresa L.
Kock, T.J., Ekstrom, B.K., and Liedtke, T.L., 2018, Distribution of adult Chinook salmon (Oncorhynchus tshawytscha) in relation to water temperatures, Lake Scanewa, Cowlitz River, Washington, 2012: U.S. Geological Survey Open-File Report 2019-1055, 14 p., https://doi.org/10.3133/ofr20191055.

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Year Published: 2019

Movements of juvenile Pacific Lamprey (Entosphenus tridentatus) in the Yakima and Columbia Rivers, Washington, 2018—A pilot study using acoustic telemetry

Telemetry has been an invaluable tool to improve our understanding of adult Pacific Lamprey (Entosphenus tridentatus) movements and to guide management approaches to protect and restore this species of concern. Juvenile and larval lamprey, however, are much smaller than adults, and have not been monitored with telemetry because available...

Liedtke, Theresa L.; Lampman, Ralph T. ; Deng, Z. Daniel; Beals, Tyler E.; Porter, Michael S.; Hansen, Amy C.; Kock, Tobias J.; Tomka, Ryan G.; Monk, Patrick
Liedtke , T.L., Lampman, R.T., Deng, D.Z., Beals, T.E., Porter, M.S., Hansen, A.C., Kock, T.J., Tomka, R.G., and Monk, P., 2019, Movements of juvenile Pacific Lamprey (Entosphenus tridentatus) in the Yakima and Columbia Rivers, Washington, 2018—A pilot study using acoustic telemetry: U.S. Geological Survey Open-File Report 2019-1058, 29 p., https://doi.org/10.3133/ofr20191058.

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Year Published: 2019

Adult sockeye salmon (Oncorhynchus nerka) behavior and movement from Roza Dam to Cle Elum Dam, Washington, 2018

An evaluation was conducted to describe adult sockeye salmon (Oncorhynchus nerka) upstream movement patterns from Roza Dam to Cle Elum Dam in the Yakima Basin, Washington. Sockeye salmon adults that arrive at Roza Dam are currently trapped and transported upstream of Cle Elum Dam because upstream fish-passage facilities are not currently in place...

Kock, Tobias J.; Evans, Scott D.; Ekstrom, Brian K.; Hansen, Amy C.
Kock, T.J., Evans, S.D., Ekstrom, B.K., and Hansen, A.C., 2019, Adult sockeye salmon (Oncorhynchus nerka) behavior and movement from Roza Dam to Cle Elum Dam, Washington, 2018: Open-File Report 2019-1053, 8 p., https://doi.org/10.3133/ofr20191053.

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Year Published: 2019

Effectiveness of fish screens in protecting lamprey (Entosphenus and Lampetra spp.) ammocoetes—Pilot testing of variable screen angle

Thousands of screened water diversions throughout the Columbia River Basin of the Pacific Northwest are sources of entrainment (unintended diversion into an unsafe passage route), injury, and mortality for a range of fish species and screening criteria have been developed to reduce and mitigate these effects. Large knowledge gaps exist concerning...

Liedtke, Theresa L.; Didricksen, Daniel J.; Weiland, Lisa K.; Ragala, Joshua A.; Lampman, Ralph
Liedtke, T.L., Didricksen, D.J., Weiland, L.K., Rogala, J.A., and Lampman, R., 2019, Effectiveness of fish screens in protecting lamprey (Entosphenus and Lampetra spp.) ammocoetes—Pilot testing of variable screen angle: U.S. Geological Survey Open-File Report 2019-1044, 21 p., https://doi.org/10.3133/ofr20191044.

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Year Published: 2019

Snake River fall chinook salmon life history investigations, 2018 annual report

The following report is divided into three sections each of which describes work conducted by different project cooperators. Chapter One describes smallmouth bass (Micropterus dolomieu) predation on subyearling fall Chinook salmon (Oncorhynchus tshawytscha) in Lower Granite Reservoir in 2018. Smallmouth bass abundance increased seasonally in...

Tiffan, Kenneth F.; Chittaro, Paul M.; Kennedy, Brian P.
Tiffan, K.F., P. Chittaro, and B. Kennedy. 2019. Snake River Fall Chinook Salmon Life History Investigations, January 1, 2018 - December 31, 2018. 2018 Annual Report. Bonneville Power Administration, BPA Project # 2002-032-00, Contract #(s) 81781, 46273 REL 16, CR-330869. 116 p.

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Year Published: 2019

Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook Salmon ESU

The portion of the Snake River fall Chinook Salmon Oncorhynchus tshawytscha ESU that spawns upstream of Lower Granite Dam transitioned from low to high abundance during 1992–2018 in association with U.S. Endangered Species Act recovery efforts and other federally mandated actions. This annual report focuses on (1) numeric and habitat use responses...

Tiffan, Kenneth; Perry, Russell; Plumb, John; Hance, Dalton; Bickford, Brad; Rhodes, Tobyn

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Year Published: 2019

Polychlorinated biphenyls (PCBs) in the Pacific sand lance, Puget Sound, Washington

Forage fish are small, abundant, schooling planktivores that form a critical link in marine food webs by transferring energy from plankton up to birds, fishes, and marine mammals. Forage fishes in Puget Sound include the iconic Pacific herring as well as lesser known species such as surf smelt and the Pacific sand lance. There are significant...

Liedtke, Theresa; Conn, Kathleen; Dinicola, Richard; Takesue, Renee
Liedtke, T., K. Conn, R. Dinicola, and R. Takesue. 2019. Polychlorinated biphenyls (PCBs) in the Pacific sand lance, Puget Sound, Washington. Page 50 in PSEMP Toxics Work Group. 2019. 2018 Salish Sea Toxics Monitoring Synthesis: A Selection of Research. C.A. James, R. Jordan, M. Langness, J. Lanksbury, D. Lester, S. O’Neill, K. Song, and C. Sullivan, eds. Puget Sound Ecosystem Monitoring Program. Tacoma, WA.

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Year Published: 2019

Fall Chinook salmon (Oncorhynchus tshawytscha), sand roller (Percopsis transmontana), and smallmouth bass (Micropterus dolomieu) interactions in a Snake River reservoir: A tale of three species

We studied some of the relationships between federally listed fall Chinook Salmon, Oncorhynchus tshawytscha, endemic Sand Roller, Percopsis transmontana, and non-native Smallmouth Bass, Micropterus dolomieu, in Lower Granite Reservoir on the Snake River. Because of its recent reappearance and population increase, the Sand Rollers...

Hemingway, Rulon J.; Tiffan, Kenneth F.; Erhardt, John M.; Rhodes, Tobyn N.; Bickford, Brad K.

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A man wearing safety gear stands on the fantail of a small boat preparing a box core for deployment.
February 11, 2020

GOMEX box corer

USGS marine engineering technician Dan Powers from the USGS Pacific Coastal and Marine Science Center retrieves the GOMEX box corer from Bellingham Bay, Washington.

A series of panels, looking down at a river delta, show how the delta changed, growing larger as more sediment flowed downriver.
December 31, 2019

Evolution of shoreline around Elwha River mouth

Evolution of the shoreline around the Elwha River mouth, Washington, before, during and after dam removal, 2011–2017. Two large dams were removed from the Elwha River between 2011 and 2014 in the largest dam removal worldwide thus far, releasing more than 20 million tons of sediment downstream. These images show the effects of new sediment depositing around the river mouth

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Two men work on a boat pulling up a long cable from the water.
December 31, 2019

Retrieving a core sampler

USGS scientists Dan Powers (left) and Andy Ritchie retrieving a core sample from beneath Lake Ozette aboard research vessel Hadai.

An illustrated map shows seafloor features and is labeled with dots to show where samples were collected.
December 31, 2019

Lake Ozette bathymetry

Bathymetric map of Lake Ozette, showing locations of core samples (red circles).

Illustration helps visualize the seafloor character offshore of the continental United States showing canyons and other features
December 31, 2019

Astoria Canyon multibeam bathymetry

Multibeam bathymetry shown in the spectrum from red (shallower) to blue (deeper) for depths greater than 200 m across the head of Astoria Canyon. The land and continental shelf are shown in grayscale slope shading where darker colors represent steeper slopes.  The modern Columbia River is far right. In 2019, geophysical surveys using Chirp subbottom and Sparker

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Depth of earthquakes at Mount Rainier 2010 to 2019
December 19, 2019

Mount Rainier: Earthquakes in the Hydrothermal System

Earthquakes at Mount Rainier from 2010 to 2019. As shown in the graphic, fluids from the magmatic system beneath the volcano rise through existing cracks and weaknesses in the crust. Along with rainwater and ice/snow melt, these fluids combine to create a hydrothermal system within the volcano. When pressurized fluids move along faults in the shallow subsurface, they

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August 26, 2019

“Science is amazing”: GeoGirls explore Mount St. Helens

During Aug. 4-8, 2019, U.S. Geological Survey women scientists, university researchers and Mount St. Helens Institute staff led 25 middle-school girls from Washington and Oregon in the fifth annual “GeoGirls” outdoor volcano science program at Mount St. Helens, Washington.
 

small white cliff with grass on top
August 12, 2019

Pyroclastic Flow Outcrop on the Pumice Plain at Mount St. Helens

This photo shows an outcrop of pyroclastic flow deposits near Willow Creek on the Pumice Plain at Mount St. Helens. The dramatic lines crossing the outcrop indicate contacts between different layers of pyroclastic flow deposits. Two participants of the 2019 GeoGirls program are shown studying the outcrop, using it to understand the eruptive history of the volcano. GeoGirls

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Columbia torrent salamander
August 5, 2019

Columbia torrent salamander (Rhyacotriton kezeri)

Torrent salamanders are Northwest-U.S. endemic, headwater-stream-associated amphibian species that have a dearth of basic ecological information, but are thought to be highly vulnerable to habitat changes. This taxon currently has two candidates for listing by the Endangered Species Act: the Cascade torrent salamander (Rhyacotriton cascadae) and the Columbia

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Girls standing in a large circle around a volcano monitoring station
August 5, 2019

The GeoGirls Visit a Volcano Monitoring Station at Mount St. Helens

The GeoGirls visit a volcano monitoring station on the east side of Mount St. Helens, finding out how scientists use different monitoring methods (seismic, GPS, tiltmeter) to understand more about the volcano.

GeoGirls 2019 group photo, with Mount St. Helens in the background
August 5, 2019

GeoGirls 2019 Group Photo

GeoGirls 2019 group photo, with Mount St. Helens in the background.

Girls hike along a trail at Mount St. Helens
August 5, 2019

GeoGirls Hike the Pumice Plain at Mount St. Helens

The GeoGirls hike the Pumice Plain at Mount St. Helens, examining lava outcrops and volcanic sediment.

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Cover of new field trip guide. Image is of Mount St Helens
November 21, 2019

Exposures in valleys surrounding Mount St. Helens reveal records of diverse geologic processes including debris avalanche, lahar, huge water wave on a nearby lake, pyroclastic density currents (surge and flow), tephra fall, lava flow, growth of domes, and past glaciation. 

Pacific Marten image captured by a motion sensor camera
November 6, 2019

Pacific martens remain common in montane regions of Pacific coast U.S. states, yet their distribution and status on the Olympic Peninsula, Washington, is uncertain.

USGS scientist Nancy Prouty collects deep-sea water samples as part of the EXPRESS 2019 expedition
October 30, 2019

Keep up to speed with the latest USGS deep-sea research cruise with this seafloor syntax.

Deep-sea organisms
October 16, 2019

Keep up to speed with the latest USGS deep-sea research cruise with this seafloor syntax.

Mount Hood, Oregon in early Summer....
September 18, 2019

New sensor network will help safeguard lives and property, and because of the relatively small footprint, there will be very little disturbance to the environment and wildlife in the area.

Northern spotted owl grabbing a mouse off a branch
September 16, 2019

Researchers evaluated tissues from barred owls collected in Washington and Oregon to assess potential exposure of the Northern spotted owl and other old-forest wildlife in the Pacific Northwest to anticoagulant rodenticides (AR). They used ecologically similar barred owls as a surrogate species for the northern spotted owl, as the two species compete for space, habitat, and small mammal prey.

Girls standing in a large circle around a volcano monitoring station
September 11, 2019

Twenty-five middle school-age GeoGirls spent five days conducting hands-on research and interacting with female scientists, educators and older students, all while learning about active volcanoes, natural hazards and modern scientific monitoring technologies below the summit of Mount St. Helens.

rough skin newt
September 10, 2019

Floodplain ponds and wetlands are productive and biodiverse ecosystems. Protecting and restoring floodplain ecosystems requires understanding how organisms use these habitats and respond to altered environmental conditions.

Group of girls look at river
July 29, 2019

VANCOUVER, Wash. — Twenty-five middle school girls from Washington and Oregon are participating in the fifth annual GeoGirls outdoor volcano science program at Mount St. Helens, jointly organized by the U.S. Geological Survey and the Mount St. Helens Institute.

USGS Scientists taking sediment core at Six Gill Slough restored marsh.
June 6, 2019

California Water Science Center Research Hydrologist Dr. Judith Drexler and others have published an article in the journal Restoration Ecology, observing the progress of a restored salt marsh in southern Puget Sound, Washington.

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Western Fisheries Research Center

Western Fisheries Research Center

Research at the WFRC focuses on the environmental factors responsible for the creation, maintenance, and regulation of fish populations including their interactions in aquatic communities and ecosystems. 

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Washington Water Science Center

Washington Water Science Center

The Water Science Center's mission is to collect, analyze and disseminate the impartial hydrologic data and information needed to wisely manage water resources for the people of the United States and the State of Washington.

Go to Center