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Filter Total Items: 715
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Year Published: 2003

Swimming performance and physiological responses to exhaustive exercise in radio-tagged and untagged Pacific lampreys

Populations of Pacific lamprey Lampetra tridentata have declined in the Columbia River basin. One factor that may have contributed to this reduction in population size is an excessive use of energy by adult lampreys as they negotiate fishways at dams during spawning migrations. To gain an understanding of the performance capacity of Pacific...

Mesa, M.G.; Bayer, J.M.; Seelye, J.G.
Swimming performance and physiological responses to exhaustive exercise in radio-tagged and untagged Pacific lampreys; 2003; Article; Journal; Transactions of the American Fisheries Society; Mesa, M. G.; Bayer, J. M.; Seelye, J. G.

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Year Published: 2003

Three-dimensional fish tracking to evaluate the removable spillway weir at Lower Granite Dam during 2002, Annual report 2002

Abstract not available

Cash, K.M; Hatton, T.W; Jones, E.C.; Magie, R.J.; Mayer, K.C.; Swyers, N.M.; Adams, N.S; Rondorf, D.W.

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Year Published: 2003

Turbine survival and migration behavior of subyearling Chinook salmon at McNary Dam, 2003

Abstract not available 

Perry, R.W.; Fielding, S.D.; Cochran , A.D.; Schei, J.L.; Sprando, J.M.; George , G.T.; Adams, N.S.; Rondorf, D.W.

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Year Published: 2003

Two distinct phylogenetic clades of infectious hematopoietic necrosis virus overlap within the Columbia River basin

Infectious hematopoietic necrosis virus (IHNV), an aquatic rhabdovirus, causes a highly lethal disease of salmonid fish in North America. To evaluate the genetic diversity of IHNV from throughout the Columbia River basin, excluding the Hagerman Valley, Idaho, the sequences of a 303 nt region of the glycoprotein gene (mid-G) of 120 virus isolates...

Garver, K.A.; Troyer, R.M.; Kurath, Gael
Two distinct phylogenetic clades of infectious hematopoietic necrosis virus overlap within the Columbia River basin; 2003; Article; Journal; Diseases of Aquatic Organisms; Garver, K. A.; Troyer, R. M.; Kurath, G.

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Year Published: 2003

Using 3D acoustic telemetry to assess the response of resident salmonids to strobe lights in Lake Roosevelt, Washington: Chief Joseph Kokanee Enhancement Feasibility Study, 2001-2002 annual report

In 1995, the Chief Joseph Kokanee Enhancement Project was established to mitigate the loss of anadromous fish due to the construction of Chief Joseph and Grand Coulee dams. The objectives of the Chief Joseph Enhancement Project are to determine the status of resident kokanee (Oncorhynchus nerka) populations above Chief Joseph and Grand Coulee dams...

Perry, R.W.; Farley, M.J.; Hansen, G.S.; Shurtleff, D.J.; Rondorf, D.W.; LeCaire, R.

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Year Published: 2003

Characterization of instream hydraulic and riparian habitat conditions and stream temperatures of the Upper White River Basin, Washington, using multispectral imaging systems

Instream hydraulic and riparian habitat conditions and stream temperatures were characterized for selected stream segments in the Upper White River Basin, Washington. An aerial multispectral imaging system used digital cameras to photograph the stream segments across multiple wavelengths to characterize fish habitat and temperature conditions. All...

Black, Robert W.; Haggland, Alan; Crosby, Greg
Characterization of instream hydraulic and riparian habitat conditions and stream temperatures of the Upper White River Basin, Washington, using multispectral imaging systems; 2003; WRI; 2003-4022; Black, Robert W.; Haggland, Alan; Crosby, Greg

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Year Published: 2003

Concentrations and loads of suspended sediment and nutrients in surface water of the Yakima River basin, Washington, 1999-2000 [electronic resource] : with an analysis of trends in concentrations

Spatial and temporal variations in concentrations and loads of suspended sediment and nutrients in surface water of the Yakima River Basin were assessed using data collected during 1999?2000 as part of the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program. Samples were collected at 34 sites located throughout the...

Ebbert, James C.; Embrey, Sandra S.; Kelley, Janet A.
Concentrations and loads of suspended sediment and nutrients in surface water of the Yakima River basin, Washington, 1999-2000 [electronic resource] : with an analysis of trends in concentrations; 2003; WRI; 2003-4026; Ebbert, James C.; Embrey, Sandra S.; Kelley, Janet A.

Filter Total Items: 856
Teachers learn about hummocks at Mount St. Helens workshop....
June 24, 2013

Teachers learn about hummocks at Mount St. Helens workshop.

Todd Cullings, with the Mount St. Helens National Volcanic Monument, leads teachers in activities they can do with students before hiking the Hummocks Trail.

Scientists kneeling in water, taking samples
April 29, 2013

Collecting Benthic Invertebrates

USGS scientists, Steve Rubin and Karl Stenberg, collecting samples to determine the distribution of benthic invertebrates in the Skagit River delta during an extreme low-tide. Information on the distribution and abundance of invertebrates will help resource managers better understand how fish, such as Chinook salmon use the delta.

Maintenance at the September Lobe Monitoring Station at Mount St. H...
April 24, 2013

Maintenance at the Sep. Lobe Monitoring Station at Mount St. Helens.

The September Lobe monitoring station is part of the network of monitoring stations that detects and reports subtle changes in the volcanic vent area. At 2150 m (about 7100 ft) elevation, maintenance is performed during good weather to keep the station fully functional.

February 28, 2013

PubTalk 2/2013 — Is "THE IMPOSSIBLE" Possible in the Pacific Northwest

-- Coastal Community Tsunami Hazards and Risk

By Nathan Wood, Geographer

 

  • The movie "The Impossible", currently showing in theaters, portrays the destruction of the 2004 Indian Ocean tsunami
  • Recent tsunami disasters in the Pacific Ocean testify to their destructive power -- are similar events likely in the
...
Rime ice coats telemetry system at Mount St. Helens....
February 27, 2013

Rime ice coats telemetry system at Mount St. Helens.

To monitor volcanoes, scientists rely on remote monitoring equipment that can operate 24-hours a day and 365-days a year to deliver real-time data. When scientists design and install monitoring stations, they must consider the remoteness of sites, terrain, and winter conditions. Here, rime ice coats a telemetry system that transmits data near Mount St. Helens, Washington

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Sample bottles from pump sampler on the Elwha River
February 1, 2013

Sample bottles from pump sampler on the Elwha River

Sample bottle carousel from automated ISCO pump sampler deployed on the Elwha River, Washington to obtain suspended sediment samples.

landscape view of bare rock on distant mountain with forest below in foreground.
December 31, 2012

Headscarp of the Red Bluffs landslide in the Columbia Gorge

View upslope to the headscarp of the Red Bluffs landslide, seen from the surface of the Crescent Lake landslide, in the Columbia Gorge.

December 31, 2012

Colombia–USA Bi-national Exchange

One of the most tragic volcanic events of the 20th century occurred in Colombia, in 1985, when an eruption of Nevado del Ruiz produced lahars that swept down river valleys and destroyed communities in its path. Over 20,000 people perished. Mount Rainier and other volcanoes of the Pacific Northwest’s Cascade Range are similar to Nevado del Ruiz in many respects—massive

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Mount St. Helens and the industrial waterfront area of North Portla...
December 30, 2012

Mount St. Helens and the industrial waterfront area of North Portla...

Mount St. Helens and the industrial waterfront area of North Portland, Oregon along the Willamette River in the foreground. Excess sediment from volcanoes can significantly impact river traffic.

Logs Floating in Spirit Lake, Mount St. Helens in the background....
November 27, 2012

Logs Floating in Spirit Lake, Mount St. Helens in the background.

Logs float in Spirit Lake near the Spirit Lake gaging station and outflow tunnel. View is to the south with Mount St. Helens in the background.

North Fork Toutle River Above the Sediment Retention Structure, Mou...
November 27, 2012

North Fork Toutle River, Sediment Retention Struct., Mount St. Helens

The May 18, 1980 eruption of Mount St. Helens had a dramatic impact on the North Fork Toutle River. The debris avalanche, lateral blast and ashfall produced a substantial amount of sediment, which continues to be washed into the river and transported downstream. A Sediment Retention Structure was constructed (out of view) to minimize the amount of sediment flowing

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Filter Total Items: 368
USGS
April 30, 1999

Large earthquakes that have happened in the past and equally large tremors that might occur in the future will be the focus of a free public forum, Monday, May 3, from 7:30 to 9:30 p.m., in the Olympic Room of the Seattle Center. The forum is sponsored by the Seismological Society of America, which will be holding its annual meeting at the Seattle Center, May 3-5.

USGS
October 25, 1998

Observers of last winter’s El Nino storms along the Pacific Coast who might have compared the intense rainfall to a monsoon were not far off the mark.

USGS
April 14, 1998

Water quality in the Central Columbia Plateau of eastern Washington and western Idaho has been adversely affected by agriculture, especially in irrigated areas, according to the results of a five-year investigation by the U.S. Geological Survey (USGS). 

USGS
April 10, 1998

Properly assessing the impacts of powerful storms associated with El Nino which have brought unprecedented erosion to the United States’ west coast is an enormous task. NASA , the U. S. Geological Survey (USGS) and the National Oceanic and Atmospheric Administration (NOAA) are combining efforts to provide public officials with the tools they need to accurately assess coastal erosion.

USGS
November 21, 1997

Want to give someone special an unusual gift this holiday season? Then you should visit the Earth Science and National Forest Information Center (ESNFIC) of the U.S. Geological Survey (USGS) and the U.S. Forest Service (USFS) in Spokane.

USGS
October 7, 1997

The U.S. Geological Survey has reorganized its western fishery research programs and renamed its biological research facility at Seattle, Wash., to reflect the changes.

USGS
August 6, 1997

The volcanic processes that created Mount Rainier and may pose a hazard to some residents of the Pacific Northwest are highlighted in a new exhibit that will be unveiled at the Sunrise Visitor Center in Mount Rainier National Park, on Saturday, August 9, 1997.

USGS
June 24, 1997

Faults which scientists say are capable of generating earthquakes of magnitude 7.0 or larger in the Pacific Northwest, will come under close scrutiny this week, as the U.S. Geological Survey continues a project to learn more about faults that lie beneath the Puget Sound lowlands.

USGS
June 24, 1997

On Friday, June 27, at 9 a.m. at the Chinook Landing Marina, along the Hylebos Waterway in north Tacoma, reporters can experience a U.S. Geological Survey research project that is currently underway in the Puget sound between Olympia and Whidby Island.

USGS
June 16, 1997

Residents of the Puget Sound area should not be alarmed when they see a small airplane flying low, back and forth over their communities during the next few weeks, according to scientists with the U.S. Geological Survey.

USGS
May 27, 1997

Scientists from the U.S. Geological Survey, the Geological Survey of Canada and several universities in both countries are preparing for a 1998 scientific project that will greatly advance the understanding of hazards from shallow earthquakes in the region of Puget Sound and Georgia Strait.

USGS
May 14, 1997

Dr. Gordon Eaton, Director of the U.S. Geological Survey, Reston, Va., will be one of the featured speakers at the Saturday, May 17, dedication of the Johnston Ridge Observatory in the Mount St. Helens National Volcanic Monument.