Unified Interior Regions

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Filter Total Items: 716
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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.

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Year Published: 2002

Conditions for growth and survival of bull trout in Beulah Reservoir, Oregon. Annual report 2001

The Bureau of Reclamation (BOR) constructed Agency Valley Dam on the North Fork of the Malheur River in 1934-35, creating Beulah Reservoir. The project is operated and maintained by the Vale Irrigation District for irrigation and downstream flood control, with no minimum pool or outflow operational criteria. Although the project is not operated...

Petersen, James H.; Kofoot, Eric E.

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Year Published: 2002

Hydrogeologic and water-quality reconnaissance of the artesian aquifer under the Shoalwater Bay Indian Reservation and Tokeland Peninsula, Pacific County, Washington, 1998-99

The U.S. Geological Survey (USGS) collected and compiled hydrogeologic and water quality data from September 1998 through September 1999 to describe the hydrogeologic setting and to assess the quality of the water in the artesian aquifer under the Shoalwater Bay Indian Reservation and the adjacent Tokeland Peninsula area of Pacific County,...

Lane, R.C.; Ebbert, J.C.
Hydrogeologic and water-quality reconnaissance of the artesian aquifer under the Shoalwater Bay Indian Reservation and Tokeland Peninsula, Pacific County, Washington, 1998-99; 2002; WRI; 2001-4023; Lane, R. C.; Ebbert, J. C.

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Year Published: 2002

Natural attenuation of chlorinated volatile organic compounds in ground water at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington

The U.S. Geological Survey (USGS) evaluated the natural attenuation of chlorinated volatile organic compounds (CVOCs) in ground water beneath the former landfill at Operable Unit 1 (OU 1), Naval Undersea Warfare Center, Division Keyport, Washington. The predominant contaminants in ground water are trichloroethene (TCE) and its degradation...

Dinicola, Richard S.; Cox, S.E.; Landmeyer, J.E.; Bradley, P.M.
Natural attenuation of chlorinated volatile organic compounds in ground water at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington; 2002; WRI; 2002-4119; Dinicola, Richard S.; Cox, S. E.; Landmeyer, J. E.; Bradley, P. M.

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Year Published: 2002

Flood-hazard mapping in Honduras in response to Hurricane Mitch

The devastation in Honduras due to flooding from Hurricane Mitch in 1998 prompted the U.S. Agency for International Development, through the U.S. Geological Survey, to develop a country-wide systematic approach of flood-hazard mapping and a demonstration of the method at selected sites as part of a reconstruction effort. The design discharge...

Mastin, M.C.
Flood-hazard mapping in Honduras in response to Hurricane Mitch; 2002; WRI; 2001-4277; Mastin, M. C.

Publication Thumbnail
Year Published: 2002

Simulation of ground-water flow and potential contaminant transport at Area 6 Landfill, Naval Air Station Whidbey Island, Island County, Washington

A three-dimensional finite-difference steady-state ground-water flow model was developed to simulate hydraulic conditions at the Area 6 Landfill, Naval Air Station Whidbey Island, near Oak Harbor, Washington. Remediation efforts were started in 1995 in an attempt to contain trichloroethene and other contaminants in the ground water. The model was...

Simonds, F. William
Simulation of ground-water flow and potential contaminant transport at Area 6 Landfill, Naval Air Station Whidbey Island, Island County, Washington; 2002; WRI; 2001-4252; Simonds, F. William

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Year Published: 2002

Monitoring and assessment of juvenile steelhead on Toppenish National Wildlife Refuge. Quick Response Project for 2001

Toppenish National Wildlife Refuge (TNWR) in south central Washington was established in 1964 to provide an important link in the chain of feeding and resting areas for waterfowl and other migratory birds using the Pacific Flyway. Wetlands on TNWR include both natural floodplain wetlands along Toppenish Creek and man-made impoundments designed to...

Jezorek, Ian G.; Petersen, James H.

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Year Published: 2002

Comparison of subyearling fall chinook salmon's use of riprap revetments and unaltered habitats in Lake Wallula of the Columbia river

Subyearling fall chinook salmon's Oncorhynchus tshawytscha use of unaltered and riprap habitats in Lake Wallula of the Columbia River was determined with point abundance data collected by electrofishing in May 1994 and 1995. We documented the presence or absence of subyearlings at 277 sample sites and collected physical habitat information at each...

Garland, R.D.; Tiffan, K.F.; Rondorf, D.W.; Clark, L.O.
Comparison of subyearling fall chinook salmon's use of riprap revetments and unaltered habitats in Lake Wallula of the Columbia river; 2002; Article; Journal; North American Journal of Fisheries Management; Garland, R. D.; Tiffan, K. F.; Rondorf, D. W.; Clark, L. O.

Filter Total Items: 856
August 25, 2012

L1 West Transect – 2012

Permanent Site: L1 West Transect; Depth: 11.2 Meters (36.6 Feet); Distance from river mouth: 2.3 Kilometers (1.4 Miles) west; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13957527,-123.59427175; Site Description: This permanent site was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

August 25, 2012

L1 East Transect – 2012

Permanent Site: L1 East Transect; Depth: 11.0 Meters (36.2 Feet); Distance from river mouth: 2.3 Kilometers (1.4 Miles) west; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13957527,-123.59359993; Site Description: This permanent site was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

Dendronotid nudibranch on hydroids
August 24, 2012

Dendronotid nudibranch on hydroids

Dendronotid nudibranch on hydroids - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.

Location: Strait of

...
August 24, 2012

K1 East Transect – 2012

Permanent Site: K1 East Transect; Depth: 6.5 Meters (21.4 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13592923,-123.5101581; Site Description: This permanent transect was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

August 24, 2012

H2 West Transect – 2012

Permanent Site: H2 West Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder and has not changed since dam

August 24, 2012

K1 West Transect – 2012

Permanent Site: K1 West Transect; Depth: 6.1 Meters (19.9 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This permanent transect was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

August 23, 2012

D2 East Transect – 2012

Permanent Site: D2 East Transect; Depth: 12.0 Meters (39.5 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15233001,-123.56829403; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand. Seaweeds are now mostly gone except for the perennial

August 22, 2012

4SP1 West Transect – 2012

Permanent Site: 4SP1 - West Transect; Depth: 6.3 Meters (20.8 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 11 months post-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: Substrate has remained the same (gravel/cobble) but site is largely devoid of all annual species of seaweeds. Only remaining seaweeds are the

August 21, 2012

J1 West Transect – 2012

Permanent Site: J1 West Transect; Depth: 9.1 Meters (29.9 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This permanent site was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

August 21, 2012

J1 East Transect – 2012

Permanent Site: J1 East Transect; Depth: 9.1 Meters (30.0 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This permanent transect was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

GPS benchmark installation just below crater of Mount St. Helens....
August 16, 2012

GPS benchmark installation just below crater of Mount St. Helens.

Epoxy is used to cement a permanent survey marker at a field location just below the crater of Mount St. Helens (north flank). The benchmark is used to create a fixed location for future GPS surveys.

Tripod built in the 1980's serves as a modern GPS station at Studeb...
August 16, 2012

Tripod built in the 1980's serves as a modern GPS station at Studeb...

Tripod built in the 1980's serves as a modern GPS station at Studebaker Ridge, on the western flank of Mount St. Helens. View is to the north.

Filter Total Items: 373
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.

USGS
May 14, 1997

On Saturday, May 17, 1997, representatives of the U.S. Forest Service, the U.S. Geological Survey and the State of Washington will gather on a ridge on the north slope of Mount St. Helens to dedicate the "Johnston Ridge Observatory of the Mount St. Helens National Volcanic Monument."

USGS
April 11, 1997

As part of a continuing expanded partnership with private industry, the U.S. Geological Survey has contracted with NIES Mapping Group, Inc., of Bellevue, Wash., to produce digital orthophoto quadrangles.

USGS
February 13, 1997

China and Indonesia suffered the deadliest and most destructive earthquakes in 1996, while the U.S. remained relatively quiet according to scientists at the U.S. Geological Survey, Department of the Interior. The last deadly earthquake in the U.S. was the 1994 Northridge, Calif., quake that took 60 lives.

USGS
February 12, 1997

A special symposium, "Integrating Watershed Ecosystem Studies for Improved Natural Resource Management" will be presented in Seattle, WA, on February 15 as part of the annual meeting of the American Association for the Advancement of Science (AAAS).

USGS
January 3, 1997

The floods have crested and are beginning to recede in most places in the Pacific Northwest. Nevertheless dozens of U.S. Geological Survey personnel, who were busy over the holidays measuring the high streamflows and keeping river stage monitors operating, are still busy in the field and in their offices. Field crews have been hampered by mudslides, road closures, and extremely dangerous condition

USGS
December 12, 1996

An earthquake generated by two tectonic plates sliding past one another in the Pacific Northwest could be as large as magnitude 9, according to scientists with the U.S. Geological Survey.

USGS
September 9, 1996

Measurements of the volume and rate of flows of the flooding Potomac River will be made on the 14th St. Bridge beginning at about 10:30 a.m. Monday (Sept. 9, 1996) by the U.S. Geological Survey. Measuring efforts by the USGS using special cranes and weights will continue for several hours.

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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