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This paper investigates the impact of the Hungry Horse Dam on streamflow dynamics in the South Fork of the Flathead River, Montana, USA. To this end, pre- and post-dam periods of raw and naturalized streamflow ...
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Dam removal in the United States has continued to increase in pace and scope, transitioning from a dam-safety engineering practice to an integral component of many large-scale river restoration programmes. ...
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The digital asset management systems (DAMS) landscape is rapidly evolving, and many new products have become available in the past few years. DAMS tend to vary widely in terms of scope, technical specifications, ...
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This study conducts a dam-scale cost versus benefit analysis in order to explore the feasibility of each the 13 U.S. Army Corps of Engineers (USACE) commissioned dams in Oregon’s Willamette River network. ...
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5. [Article] Soil Development and Vegetation Response to Removal of a Small Dam, Lassen Volcanic National Park, California
Dam removal is increasing as dams age, yet little is understood about the pedogenic response to dam removal. This study reports on the edaphic changes of reservoir sediments and vegetation cover one year ...Citation -
The October 2007 removal of Marmot Dam, a 14.3-m-tall dam on the Sandy River in northwestern Oregon storing approximately 730,000 m3 of impounded sediment, provided an opportunity to study short- and long-term ...
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7. [Article] Digital Asset Management System Assessment: Use Cases for Digital Infrastructure Re-design
Academic libraries that offer digital asset management systems (DAMS) and services such as an institutional repository, data curation services, and digitization of historic documents face the need to assess ...Citation -
8. [Article] Analysis and numerical simulation of the ground water system at the Bonneville navigation lock site, Oregon
As part of the new navigation lock for Bonneville Dam a new water source for the Bonneville Fish Hatchery must be supplied. The hatchery is located on the Oregon side of the Columbia River downstream of ...Citation -
9. [Article] An Analysis of Vegetation Recovery following Dam Removal at Hemlock Recreation Site, Washington
Dam removals are becoming increasingly common as dams reach their life expectancy and face costly upgrades associated with relicensing. Though removal is often viewed as a success in terms of ecological ...Citation -
10. [Article] The Columbia River's fate in the twentieth century
Discusses the history of the Columbia River during the 20th century, emphasizing the image of the river as both a source of industry and an example of wild natural beauty. In 1933 the river was dammed ...Citation -
Watershed restoration comes in a variety of forms depending on which set of problems are sought to be remedied. Severe soil erosion, in the form of gullying and/or headcutting, can be mitigated through ...
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12. [Article] Cascades Island Lamprey Passage Structure: Evaluating Passage and Migration Following Structure Modifications
Pacific lamprey (Entosphenus tridentatus), an endemic species to the Columbia River Basin, U.S.A, has experienced staggering decreases in returns to spawning territories in recent decades. As lamprey are ...Citation -
Substantial declines of Pacific salmon populations have occurred over the past several decades related to large-scale anthropogenic and climatic changes in freshwater and marine environments. In the Columbia ...
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14. [Article] Effects of Beaver Dams on Surface Water Flow During Storm Events in an Urban Landscape
Urban land-use generally alters the hydrologic cycle, leading to changes in the natural flow regime of local streams. Runoff from impervious surfaces and routing of stormwater to streams causes urban streams ...Citation -
15. [Article] "As Long as the Mighty Columbia River Flows": The Leadership and Legacy of Wilson Charley, a Yakama Indian Fisherman
On March 10, 1957, the United States Army Corps of Engineers completed The Dalles Dam and inundated Celilo Falls, the oldest continuously inhabited site in North America and a cultural and economic hub ...Citation -
Assesses the damage done to Native American sites and heritage by relic hunters and archaeologists digging in the mid-Columbia River region that was inundated by completion of The Dalles Dam in 1957. Long ...
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The Chehalis River Basin is located in the southwest region of Washington and is over 125 miles long flowing through agricultural, residential, industrial, and forest land. Four major rivers, many smaller ...
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The Washington Department of Ecology is interested in a water quality model for the Upper Spokane River system for use in developing Total Maximum Daily Loads (TMDLs). The goals of this modeling effort ...
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The Washington Department of Ecology is interested in a water quality model for the Upper Spokane River system for use in developing Total Maximum Daily Loads (TMDLs). The goals of this modeling effort ...
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20. [Article] Macroinvertebrate Community Analysis on lower Hood River Before and During the Removal of Powerdale Dam: A Baseline Study
Powerdale Dam was an 87-year-old hydroelectric complex on lower Hood River in northern Oregon which was decommissioned in 2010. Macroinvertebrate samples were collected in 2009, before the removal process ...Citation -
21. [Article] Analysis and prediction of the water temperature of the McKenzie River, Oregon using the equilibrium temperature approach
A one dimensional, steady flow, unsteady temperature model is used to evaluate the effects of two U.S. Army Corps of Engineers (COE) dams and resulting reservoirs on hourly water temperatures of the mainstem ...Citation -
22. [Article] Saving the Yellowstone
The Yellowstone River remains the only major free-flowing stream in the lower 48 states. Defenders of free-flowing status argue that benefits derived from maintaining the historic river surpass those gained ...Citation -
23. [Article] Lake Roosevelt Water Quality and Hydrodynamic Model Calibration with Fish Bioenergetics
An understanding of the effects of hydrodynamics and reservoir operations on the Franklin D. Roosevelt Lake (Lake Roosevelt) aquatic food web allows for better management of the reservoir. A CE-QUAL-W2, ...Citation -
The Washington Department of Ecology is interested in a water quality model for the Upper Spokane River system for use in developing Total Maximum Daily Loads (TMDLs). The goals of this modeling effort ...
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Launching a successful digital repository takes more than selecting the right software and hiring the right staff. How do libraries know that they’re developing repository services that their users want? ...
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Discusses the changing meaning attached to Celilo Falls and The Dalles and how these places were represented in the published literature from the 1807 edition of Lewis and Clark Expedition sergeant Patrick ...
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The purpose of this study was to improve the existing Version 3.0 application of CE-QUAL-W2 of the Pend Oreille River between Box Canyon Dam and Albeni Falls Dam by performing the tasks outlined above. ...
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28. [Article] Pend Oreille River Model: Model Scenario Simulations
The Idaho Department of Environmental Quality is interested in developing a temperature and water quality Total Maximum Daily Load (TMDL) allocation for the Pend Oreille River between the Long Bridge near ...Citation -
29. [Article] Fluttering fountains: Simplified models
Fluttering oscillations are sometimes observed in the falling sheets of water associated with dams and waterfall fountains, and a theoretical simulation of this phenomenon was recently reported. In this ...Citation -
30. [Article] Excavation Rate and Work Force Planning
A contractor is dealing with the construction of two dams 515 miles apart. The objective of the firm is to minimize total excavation cost for the two projects, the transportation cost of machinery, and ...Citation -
Within the Upper Klamath Basin, Oregon, the native status of anadromous salmonids (Oncorhynchus spp.) has been a long standing question. Ongoing efforts to establish if these fish were native to the region ...
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This thesis examines how the construction of news stories reveals relationships among groups of stakeholders and how their views unfold within environmental conflict coverage. This study uses a content ...
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Pine Creek Conservation Area (PCCA), just northeast of the John Day River in Wheeler County, Oregon, was acquired in 1999-2001 by the Confederate Tribes of Warm Springs with support from the Bonneville ...
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This two-part paper provides comprehensive time and frequency domain analyses and models of along-channel water level variations in the 234-km-long Lower Columbia River and Estuary (LCRE) and documents ...
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35. [Article] Integrated hydrologic and hydrochemical observations of Hidden Creek Lake jökulhlaups, Kennicott Glacier, Alaska
Hidden Creek Lake (HCL), an ice-marginal lake impounded by Kennicott Glacier, Wrangell Mountains, Alaska, fills annually to ~20 to 30 x ~10⁶ m³ and then drains subglacially within 2 to 3 days. During the ...Citation -
The Columbia River is home to anadromous salmon populations that migrate upriver every year to spawn. These fish require cool water temperatures (Tw) to survive. In recent years, high summer Tw in the ...
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The Washington Department of Ecology is interested in developing a temperature Total Maximum Daily Load (TMDL) allocation for the Pend Oreille River between the Albeni Falls Dam (U.S. Army Corps of Engineer’s ...
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38. [Article] Upper Spokane River Model in Idaho: Boundary Conditions and Model Setup and Calibration for 2001 and 2004
As a result of a Total Maximum Daily Load (TMDL) study of the Spokane River in Washington, a hydrodynamic and water quality model for the Spokane River was developed by Portland State University (PSU) ...Citation -
The Spokane River in Idaho originates in Coeur d’Alene Lake (Figure 1 and Figure 2). The section of the Spokane River from Coeur d’Alene Lake to the Washington state line is the subject of a water quality ...
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In late Spring of 1969, shortly before the Oregon Legislative Session adjourned, House Bill No. 1302 as amended passed the last legislative hurdle and was signed by the Governor. The new statute recognized ...
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41. [Article] Waterfall Lasers
Laser concepts can be applied to a broad range of physical phenomena. One of the closest parallels occurs with the fluttering oscillations that are sometimes observed in the falling sheets of water associated ...Citation -
42. [Article] Fluttering Fountains: Annular Geometry
Under certain conditions of flow rate, height, and feedback, periodic or chaotic fluttering oscillations can be observed as the sheet of water from a dam or waterfall fountain descends through the air. ...Citation -
43. [Article] Migration Movement
All†Borders†Are†Temporary "Migration is a phenomenon, not a problem – something that simply is. The right to migrate and to move freely is our human right. When societies restrict or choke off the movements ...Citation -
This research brief summarizes a survey about the effectiveness of programs from Break the Cycle, a nonprofit organization dedicated to developing and fielding dating-violence prevention programs.
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The military has begun to encourage collaborative relationships--through formal memorandums of understanding (MOUs)--between military installations and neighboring communities intended to prevent and respond ...
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46. [Article] Approaches to Making Military-Civilian Domestic Violence Collaborations Work: Lessons Learned From Two Case Studies
To prevent and respond to domestic violence by or against service members, the military hopes to form and strengthen collaborative relationships between installations and neighboring communities. The authors ...Citation -
47. [Article] Beavers, firs, salmon, and falling water: Pacific Northwest regionalism and the environment
Discusses the importance of salmon in defining environmental understanding in the Pacific Northwest. Dam construction, population influx, economic development, and politics have dramatically changed the ...Citation -
The document most frequently used to support a water resource project's economic feasibility is the commercial benefit-cost analysis, which quantifies tangible and direct project consequences. The objective ...
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49. [Article] Metacommunity Structure of Zooplankton in River Networks: Roles of Environmental and Spatial Factors
Zooplankton in river systems have seldom been studied in the context of metacommunity ecology. Spatial factors (e.g., river connectivity, directionality, and man-made dams) may play a key role in influencing ...Citation -
The Chehalis River Basin is located in the southwest region of Washington State, originating in the Olympic Mountains and flowing to Grays Harbor and the Pacific Ocean. The Chehalis River is over 125 miles, ...
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