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Washington

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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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News

This Month at WFRC Thumb
June 10, 2019

This page contains WFRC "Highlights" reported May, 2019

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.

Hazy photograph taken at an angle up in the sky of a water inlet with islands, a shape with words is placed on top of the photo.
May 29, 2019

Pacific Coastal and Marine Science Center director Guy Gelfenbaum and NW Region Staff Scientist Bill Labiosa represented the USGS in the Puget Sound Day on the Hill in Washington, D.C. May 14 - 16, 2019.

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Beach seine Bainbridge Island
Date Published: June 11, 2019
Status: Completed

Estuarine Ecosystem Recovery in Puget Sound

A clean and abundant sediment supply is critical for building and maintaining viable estuarine and wetland habitats. However, in many coastal regions, dikes, levees, and dams have disconnected water and sediment supply to estuarine and wetland habitats, altering sedimentation patterns, water quality, and nutrient loads. Dike and dam removal have become important methods for restoring river and...

Re-vegetation in the river valley at the Elwha River restoration site.
Date Published: June 10, 2019
Status: Active

Elwha River Restoration Project

From 2011 to 2014, the Nation’s largest dam removal project to date took place in Washington State, allowing the Elwha River to once again flow unimpeded from its origin in the Olympic Mountains to the Strait of Juan de Fuca. Nearly 100 years of sediment (30 million tons) had accumulated behind two dams, and about two-thirds of that (20 million tons) was released, dramatically affecting the...

Bogachiel River
Date Published: May 30, 2019
Status: Active

Quantifying suspended-sediment load and transport characteristics in the Calawah and Upper Bogachiel Rivers, Washington

The issue: Salmonid fisheries are an important cultural and economic activity and efforts to support a thriving fisheries industry remain a major priority for the Quileute Tribe on the Olympic Peninsula, Washington. Land use changes can have a profound influence on basin sediment production with direct effects on fisheries (Madej and Ozaki, 2009). Studies are needed to improve...

White River at Mud Mountain Dam
Date Published: May 28, 2019
Status: Active

Coarse sediment delivery and routing in the White River

The Issue: Ongoing channel aggradation has reduced flow conveyance along the lower White River, increasing the flood risk in urban-suburban areas. A refined understanding of the delivery, transport and deposition of sediment in the White River, and how those processes may be influenced by climate and existing dam operations, is necessary in order to plan for future flood...

Sauk River
Date Published: May 28, 2019
Status: Active

Fine sediment infiltration in Chinook spawning gravels in the Sauk River Basin, Washington

The Issue: Salmonid fisheries are an important cultural and economic activity and efforts to support a thriving fisheries industry remain a major priority for the Quileute Tribe. Land use changes can have a profound influence on basin sediment production with direct effects on fisheries. A reconnaissance evaluation for water year 1978 indicated that annual sediment loads in...

Logos with lettering and words for NOAA, BOEM, and USGS who work as partners.
Date Published: May 26, 2019
Status: Active

EXPRESS: Expanding Pacific Research and Exploration of Submerged Systems

EXPRESS is a multi-year, multi-institution cooperative research campaign in deep sea areas of California, Oregon, and Washington, including the continental shelf and slope. EXPRESS data and information are intended to guide wise use of living marine resources and habitats, inform ocean energy and mineral resource decisions, and improve offshore hazard assessments.

Block Island Wind Farm
Date Published: May 26, 2019
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...

A bottomfish with small, bright spots lazily swims over a rocky seafloor among a few small pieces of kelp.
Date Published: May 26, 2019
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...

Map of offshore southern California showing the contours of the seafloor, with labels pointing to circles showing landslides.
Date Published: May 26, 2019
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.

cheatgrass
Date Published: May 23, 2019
Status: Active

Cheatgrass and Medusahead

Invasive annual grasses, such as cheatgrass (Bromus tectorum) and medusahead (Taeniatherum caput-medusae), are one of the most significant stressors to rangeland ecosystems in the western U.S. Their expansion and dominance across this area are the most damaging ecosystem agents on this iconic landscape.

Chambers-Clover Creek at Kobayashi Park
Date Published: May 8, 2019
Status: Active

Southeast Sound Groundwater Flow Model

The Issue: Groundwater is an important resource for domestic, commercial, and industrial usage in the Puyallup River and Chambers-Clover Creek Watersheds, and groundwater discharge helps maintain late-summer and early-fall streamflow (baseflow) in many area streams. Consequently, as the population grows, and commercial and industrial activity increase, so does the demand for...

View from up high above a flat beach area lots of rocks and boulders, very little wave action.
Date Published: April 25, 2019
Status: Active

Using Video Imagery to Study Coastal Change: Whidbey Island

Video cameras overlook the coast along a beach on Whidbey Island, Island County at the northern boundary of Puget Sound in western Washington.

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    Graph with multiple sine curves that show fluctuating water levels for various locations over multiple days.
    April 19, 2019

    The chart shows the most recent 7 days of data at all Puget Sound water level sites with available data. Use mouse scroll wheel to zoom and drag to pan. Sites include Bellingham, Oak Harbor, Edmonds, Lofall, Steilacoom, and Olympia.

    NWIS Mapper screenshot
    March 5, 2019

    The NWIS mapper provides access to over 1.5 million sites contained in the USGS National Water Information System (NWIS), including sites where current and historical surface-water, groundwater, springs, and atmospheric data has been collected. Users can search by site type, data type, site number, or place.

    Lidar data of the Gulf Islands, Florida
    March 1, 2019

    Site provides access to Coastal and Marine Geology Program (CMGP) data via Open Geospatial Consortium (OGC) standards services; serving data to GeoMapApp and Virtual Ocean 2-D and 3-D earth browsing tools, for data integration, visualization and analysis; and metadata catalogs for data discovery.

    USGS
    January 1, 2019

    Floodplain characteristics were quantified for the Elwha River in Olympic National Park, Washington, USA, using orthophoto imagery taken between 1939-2013.

    View of glacier capped mountains taken from a helicopter
    January 1, 2019

    Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to Gulkana and Wolverine glaciers, AK in 1966, and later Sperry Glacier, MT in 2005. Additional measurements have been made on Lemon Creek Glacier, AK to compliment data collected by the Juneau Icefield Research

    USGS
    January 1, 2019

    This part of the data release presents bathymetry data from the Elwha River delta collected in July 2017 using two personal watercraft (PWCs). The PWCs were equipped with single beam echosounders and survey-grade global navigation satellite system (GNSS) receivers.

    USGS
    January 1, 2019

    This part of the data release presents topography data from the Elwha River delta collected in July 2017. Topography data were collected on foot with global navigation satellite system (GNSS) receivers mounted on backpacks.

    USGS
    January 1, 2019

    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.

    Image of data download web page
    November 29, 2018

    Downloadable Data for Eastern Oregon-Washington Oil and Gas Assessments

    Image of data download web page
    November 29, 2018

    Downloadable Data for Western Oregon-Washington Oil and Gas Assessments 

    Chinook Salmon
    November 13, 2018

    The degree to which eelgrass on river deltas provides critical habitat for estuarine fishes, especially out‐migrating juvenile salmon, is an important scientific and management issue that bears on efforts to conserve and restore both eelgrass and fish.

    View looks down on a river from behind a metal fence, and the image is time-stamped to show it's a web camera from the USGS.
    September 24, 2018

    Site Number 12046260 Elwha River at diversion near Port Angeles, WA

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    Application to explore US Oil and Gas Assessments
    March 19, 2019

    This map shows the provinces assessed by the USGS for undiscovered oil and gas resources. 

    CITE
    January 10, 2018

    Scientists at WERC's Dixon Field station have fitted Cinnamon Teal with GPS backpacks. Using R, the telemetry locations are displayed on an image every two weeks.

    Digital Elevation Model in the Atchafalaya Basin, LA
    April 19, 2016

    The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.

    Filter Total Items: 686
    Publication Thumbnail
    Year Published: 2019

    Conceptualizing ecological responses to dam removal: If you remove it, what's to come?

    One of the desired outcomes of dam decommissioning and removal is the recovery of aquatic and riparian ecosystems. To investigate this common objective, we synthesized information from empirical studies and ecological theory into conceptual models that depict key physical and biological links driving ecological responses to removing dams. We...

    Bellmore, J. Ryan; Pess, George R.; Duda, Jeffrey J.; O'Connor, Jim E.; East, Amy E.; Foley, Melissa M.; Wilcox, Andrew C.; Major, Jon J.; Shafroth, Patrick B.; Morley, Sarah A.; Magirl, Christopher S.; Anderson, Chauncey W.; Evans, James E.; Torgersen, Christian E.; Craig, Laura S.

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    Year Published: 2018

    Upstream migration and spawning success of Chinook salmon in a highly developed, seasonally warm river system

    This review summarizes what is known about the influence of water temperature and velocity on the migration and spawning success of an inland population of Chinook salmon Oncorhynchus tshawytscha. Models are then developed and used to illustrate how migration and spawning success might change if temperatures and velocities increase under a...

    Connor, William P.; Tiffan, Kenneth F.; Chandler, James A.; Rondorf, Dennis W.; Arnsberg, Billy D.; Anderson, Kelvin C.

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    Year Published: 2018

    A snapshot of women of the U.S. Geological Survey in STEM and related careers

    IntroductionThe term “STEM” has been used to group together the fields of science, technology, engineering, and mathematics and to describe education and professions related to these fields. The professional fields connected to STEM education are thought of as engineering, medicine, and computer technology. Yet these professional fields are merely...

    Aragon-Long, Susan C.; Burkett, Virginia R.; Weyers, Holly S.; Haig, Susan M.; Davenport, Marjorie S.; Warner, Kelly L.
    Aragon-Long, S.C., Burkett, V.R., Weyers, H.S., Haig, S.M., Davenport, M.S., and Warner, K.L., 2018, A snapshot of women of the U.S. Geological Survey in STEM and related careers: U.S. Geological Survey Circular 1443, 100 p., https://doi.org/10.3133/cir1443.

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    Year Published: 2018

    Integrated diet analyses reveal contrasting trophic niches for wild and hatchery juvenile Chinook Salmon in a large river delta

    Hatchery programs have been used as a conservation tool to bolster declining populations of Chinook Salmon Oncorhynchus tshawytscha along much of the North American Pacific coast. In many watersheds, hatchery stocks are released concurrently with the wild population, thus raising the potential for density‐dependent effects. Competition...

    Davis, Melanie J.; Woo, Isa; Ellings, Christopher S.; Hodgson, Sayre; Beauchamp, David A.; Nakai, Glynnis; De La Cruz, Susan E.W.

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    Year Published: 2018

    Juvenile Chinook salmon and forage fish use of eelgrass habitats in a diked and channelized Puget Sound River Delta

    Eelgrass Zostera marina can form extensive meadows on Puget Sound river deltas. The extent to which these meadows provide critical rearing habitat for local estuarine fishes, especially out‐migrating juvenile salmon, is not well understood. Further, delta eelgrass has been impacted by diking and river channelization with unknown...

    Rubin, Stephen P.; Hayes, Michael C.; Grossman, Eric E.
    Rubin, S.P., M.C. Hayes, and E.E. Grossman. 2018. Juvenile Chinook salmon and forage fish use of eelgrass habitats in a diked and channelized Puget Sound River Delta. Marine Coastal Fisheries: Dynamics, Management, and Ecosystem Science 10:435-451.

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    Year Published: 2018

    Responses of hatchery‐ and natural‐origin adult spring Chinook Salmon to a trap‐and‐haul reintroduction program

    The construction of impassable dams severely affected many Pacific salmon Oncorhynchus spp. populations, resulting in reintroduction efforts that are now focused on returning anadromous fish to areas located upstream of these dams. A primary strategy for moving adult salmon and steelhead O. mykiss around a dam or multiple dams...

    Kock, Tobias J.; Perry, Russell W.; Pope, Adam C.; Serl, John D.; Kohn, Mike; Liedtke, Theresa L.
    Kock, T.J., R.W. Perry, A.C. Pope, J.D. Serl, M. Kohn, and T.L. Liedtke. 2018. Responses of hatchery‐ and natural‐origin adult spring Chinook salmon to a trap‐and‐haul reintroduction program. N. Am. J. Fish. Manage. (Early View).

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    Year Published: 2018

    Evaluation of sockeye salmon after passage through an innovative upstream fish-passage system at Cle Elum Dam, Washington, 2017

    Executive SummaryThe Bureau of Reclamation (Reclamation) and the Washington State Department of Ecology (Ecology), working with the Yakima River Basin Water Enhancement Project Workgroup (composed of representatives of the Yakama Nation; Federal, State, county, and city governments; environmental organizations; and irrigation districts), developed...

    Kock, Tobias J.; Evans, Scott D.; Hansen, Amy C.; Perry, Russell W.; Hansel, Hal C.; Haner, Philip V.; Tomka, Ryan G.
    Kock, T.J., Evans, S.D., Hansen, A.C., Perry, R.W., Hansel, H.C., Haner, P.V., and Tomka, R.G., 2018, Evaluation of sockeye salmon after passage through an innovative upstream fish-passage system at Cle Elum Dam, Washington, 2017: U.S. Geological Survey Open-File Report 2018-1116, 30 p., https://doi.org/10.3133/ofr20181116.

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    Year Published: 2018

    Juvenile salmonid monitoring following removal of Condit Dam in the White Salmon River Watershed, Washington, 2017

    Condit Dam, at river kilometer 5.3 on the White Salmon River, Washington, was breached in 2011, and removed completely in 2012, providing anadromous salmonids with the opportunity to recolonize habitat blocked for nearly 100 years. Prior to dam removal, a multi-agency workgroup concluded that the preferred salmonid restoration alternative was to...

    Jezorek, Ian G.; Hardiman, Jill M.
    Jezorek, I.G., and Hardiman, J.M., 2018, Juvenile salmonid monitoring following removal of Condit Dam in the White Salmon River watershed, Washington, 2017: U.S. Geological Survey Open-File Report 2018-1106, 31 p. https://doi.org/10.3133/ofr20181106.

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    Year Published: 2018

    Infection by Nanophyetus salmincola and toxic contaminant exposure in out‐migrating steelhead from Puget Sound, Washington: Implications for early marine survival

    Out‐migrating steelhead Oncorhynchus mykiss from four Puget Sound rivers and associated marine basins of Puget Sound in Washington State were examined for the parasite, Nanophyetus salmincola in 2014 to determine whether recent trends in reduced marine survival are associated with the presence of this pathogen. A subset of...

    Chen, M.F.; O'Neill, S. M.; Carey, A. J.; Conrad, R. H.; Stewart, B. A.; Snekvik, K. R.; Ylitalo, G. M.; Hershberger, Paul
    Chen, M.F., S.M. O’Neill, A.J. Carey, R.H. Conrad, B.A. Stewart, K.R. Snekvik, G.M. Ylitalo, and P.K. Hershberger. 2018. Infection by Nanophyetus salmincola and toxic contaminant exposure in out‐migrating steelhead from Puget Sound, Washington: Implications for early marine survival. J. Aquat Anim Health 30(2): 103-118.

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    Year Published: 2018

    Distribution and seasonal differences in Pacific Lamprey and Lampetra spp eDNA across 18 Puget Sound watersheds

    Lampreys have a worldwide distribution, are functionally important to ecological communities and serve significant roles in many cultures. In Pacific coast drainages of North America, lamprey populations have suffered large declines. However, lamprey population status and trends within many areas of this region are unknown and such information is...

    Ostberg, Carl O.; Chase, Dorothy M.; Hayes, Michael C.; Duda, Jeffrey J.
    Ostberg, C.O., D.M. Chase, M.C. Hayes, and J.J. Duda. 2018. Distribution and seasonal differences in Pacific Lamprey and Lampetra spp eDNA across 18 Puget Sound watersheds. Peer J 6:e4496.

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    Year Published: 2018

    Relating river discharge and water temperature to the recruitment of age‐0 White Sturgeon (Acipenser transmontanus Richardson, 1836) in the Columbia River using over‐dispersed catch data

    The goals were to (i) determine if river discharge and water temperature during various early life history stages were predictors of age‐0 White Sturgeon, Acipenser transmontanus, recruitment, and (ii) provide an example of how over‐dispersed catch data, including data with many zero observations, can be used to better understand the effects...

    Counihan, Timothy D.; Chapman, Colin G.
    Counihan, T.D. and C.G. Chapman. 2018. Relating river discharge and water temperature to the recruitment of age-0 White Sturgeon (Acipenser transmontanus Richardson, 1836) in the Columbia River using over-dispersed catch data. J. Appl. Ichthyol. 34(2):279-289.

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    Year Published: 2018

    An epidemiological model of virus transmission in salmonid fishes of the Columbia River Basin

    We have developed a dynamic epidemiological model informed by records of viral presence and genotypes to evaluate potential transmission routes maintaining a viral pathogen in economically and culturally important anadromous fish populations. In the Columbia River Basin, infectious hematopoietic necrosis virus (IHNV) causes severe disease,...

    Ferguson, Paige F. B.; Breyta, Rachel; Brito, Ilana L.; Kurath, Gael; LaDeau, Shannon L.
    Ferguson, P.F.B., R. Breyta, I. Brito, G. Kurath, and S.L. LaDeau. 2018. An epidemiological model of virus transmission in salmonid fishes of the Columbia River Basin. Ecol. Model. 377: 1-15.

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    multicolored map of Ocean Shores, Washington
    April 13, 2017

    The Pedestrian Evacuation Analyst is an ArcGIS extension that estimates how long it would take for someone to travel on foot out of a hazardous area that was threatened by a sudden event such as a tsunami, flash flood, or volcanic lahar. It takes into account the elevation changes and the different types of landcover that a person would encounter along the way.

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    USGS Scientists taking sediment core at Six Gill Slough restored marsh.
    May 30, 2019

    USGS Scientists taking sediment core at Six Gill Slough restored marsh

    USGS Scientists taking sediment core USGS Scientists taking sediment core at Six Gill Slough restored marsh.

    Location of Pend Oreille River and tributaries as a spatial network of habitat patches and barriers
    February 12, 2019

    Figure 1 from Mims, et al. (2019)

    Location (A, B) of Pend Oreille River and tributaries assessed in this study as a spatial network of habitat patches and barriers (C) for which reintroduction of bull trout (Salvelinus confluentus) (D) was simulated. Bull trout illustration by Joseph R. Tomelleri.

    Image from an application that navigates users through USGS National Oil and Gas Assessment Provinces
    November 14, 2018

    National Oil and Gas Assessment Provinces

    This is a graphic from the USGS National Oil and Gas Assessment Explorer application, which allows user to drill into 70 oil and gas assessment provinces throughout the United States.

    November 2, 2018

    Image of the Week - Elwha River Dam Removal

    In September 2011, the largest dam removal project in U.S. history began. 

    Two dams built on the Elwha River in the early 1900s created two reservoirs in northwestern Washington. They also greatly reduced the amount of sediment flowing to the river’s delta and blocked salmon migration upstream into Olympic National Park.

    Each week, the Earth Resources

    ...
    Juga sp. snails
    October 17, 2018

    Juga sp. snails

    Juga sp. snails, the molluscan intermediate host for Nanophyetus salmincola, populate the bottom of a stream bed in a south Puget Sound watershed.

    Landscape photo of mountains in distance with low clouds filling valley in mid-ground and pine tress on slope in foreground
    October 10, 2018

    Sunrise at Mount St. Helens

    The sun rises at Mount St. Helens (pictured in the distance), with low-level clouds covering Coldwater Lake. The view is from the Coldwater Science and Learning Center, the site of the 2018 GeoGirls field camp program.

    Map of study area
    September 27, 2018

    Map of study area that includes the states of ID, MT, OR, WA

    Map of the study area that includes the states of Idaho, Montana, Oregon, and Washington. The Columbia and Snake rivers are the two largest rivers in the Columbia River Basin which is shown as a shaded area on the map.

    September 25, 2018

    First mission: USGS UAS monitors gas emissions at Mount St. Helens

    On September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.

    The team used a multi-rotor UAS (“

    ...
    September 25, 2018

    First mission: USGS UAS monitors gas emissions at Mount St. Helens —AD

    On September 25, 2018, a team of three scientists based at the USGS–Cascades Volcano Observatory conducted the first-ever USGS-led Unmanned Aircraft Systems (UAS) campaign at Mount St. Helens. The UAS survey was conducted with the permission and coordination of the U.S. Forest Service Mount St. Helens National Volcanic Monument.

    The team used a multi-rotor UAS (“

    ...
    View looks down on a river from behind a metal fence, and the image is time-stamped to show it's a web camera from the USGS.
    September 24, 2018

    Diversion web cam on the Elwha River

    Web cam mounted near USGS gaging station site number 12046260, looking upstream from the water supply diversion structure on the lower Elwha River near Port Angeles in Washington.

    Figure 1. A map of the project area
    September 12, 2018

    Figure 1. A map of the project area and the three study reaches

    Figure 1. A map of the project area and the three study reaches: Skamania (SK), John Day (JD), and Kootenai (KO).

    Flushing stomach contents from a live resident Chinook salmon
    September 6, 2018

    Flushing stomach contents from a live resident Chinook salmon

    Flushing stomach contents from a live resident Chinook salmon for an investigation of cannibalism and predation impacts.

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    This Month at WFRC Thumb
    June 10, 2019

    This page contains WFRC "Highlights" reported May, 2019

    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.

    Hazy photograph taken at an angle up in the sky of a water inlet with islands, a shape with words is placed on top of the photo.
    May 29, 2019

    Pacific Coastal and Marine Science Center director Guy Gelfenbaum and NW Region Staff Scientist Bill Labiosa represented the USGS in the Puget Sound Day on the Hill in Washington, D.C. May 14 - 16, 2019.

    Checking lampara net for fish
    May 28, 2019

    Interactive Data Visualization Tool Allows Us to Explore Fish Use of Eelgrass Habitat in Puget Sound

    Spawning Sockeye Salmon
    April 5, 2019

    The sockeye salmon population of the Lake Ozette watershed in northwestern Washington has been federally listed as threatened since 1999. Although the population has grown, numbers remain insufficient to allow harvest.

    SR530 OSO Landslide Sediment Transport
    March 20, 2019

    The Oso (SR 530) Landslide in Washington - Five Years Later 

    The following is an updated version of a story first published in March of 2015.

    Location of Pend Oreille River and tributaries as a spatial network of habitat patches and barriers
    February 22, 2019

    Species reintroduction is a powerful conservation tool when successful, but it is an expensive management strategy and for many species including freshwater fish, reintroduction attempts often fail.

    A group of men and women stand and kneel in front of a wall filled with a collection of maps and photos, everyone is smiling.
    February 21, 2019

    Core players in “Expanding Pacific Research and Exploration of Submerged Systems” (EXPRESS) held a planning workshop at the USGS Pacific Coastal and Marine Science Center in Santa Cruz, California, November 29–30.

    Issue7.2February2019NLThumb
    February 14, 2019

    Identifying Habitat Characteristics for Successful White Sturgeon Recruitment in the Columbia River Basin

    Image: Cascades Frog
    February 1, 2019

    In montane ecosystems of the U.S. Pacific Northwest, increasing temperatures are resulting in a transition from snow-dominated to rain-dominated precipitation events, reducing snowpack.

    Mean annual streamflow permanence probability
    December 21, 2018

    An interdisciplinary team comprised of USGS and university scientists has developed the Probability of Streamflow Permanence Model or PROSPER which predicts flow permanence for unregulated and minimally impaired streams in the Pacific Northwest.

    mountains and cloud covered valley
    November 30, 2018

    The USGS and National Park Service (NPS) have published the first Natural Resource Condition Assessment for Olympic National Park. A Natural Resource Condition Assessment, or NRCA, is a report that evaluates a subset of important natural resources in a NPS Unit. 

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