Satellite Remote Sensing for Regional Crop Inventories
LANDSAT 4 and 5 Satellite spectral images of the Columbia Basin were obtained during the 1984, 1985 and 1986 growing seasons by Cropix, Inc. of Hermiston, Oregon. A field classification...

Heppner, Oregon Flood Warning System: An Interagency Cooperative Effort
The flood warning system is a network of event-actuated precipitation and river level gages in two flash flood prone drainage basins of 44 and 6. 8 square mile areas. These basins enter...

Impact of Temperature on Columbia River Winter Floods
During the course of an extensive study of the Columbia River drainage to evaluate a major levee system near Portland Oregon, it was noted that flood runoff produced by winter storms with...

Developing a Management Maintenance (Roadway Surface) System
The Clackamas County Department of Transportation and Development is responsible for maintaining 1,514 miles of roadway. Clackamas County, Oregon is part of the Portland, Oregon metropolitan...

Development of the Owyhee Dam Hydroelectric Project
The Owyhee Project Power Committee and Owyhee Irrigation District are developing the Owyhee Dam Power Plant, currently under construction in eastern Oregon. The power plant is being constructed...

Carmen-Smith Uprate & Modernization
The Carmen-Smith Powerhouse is located on the upper McKenzie River, 75 miles northeast of Eugene, Oregon. Carmen's two nearly identical 42. 1 MVA vertical hydroelectric turbine...

Planning for Small-Scale Hydroelectric Development: A State Response
A 'surplus' of power in the Pacific Northwest region of the country has brought with it a declining interest in the generation of new electrical energy supplies....

Seismic Acceleration Maps for Oregon
To evaluate the seismic hazard for the Corps dams in the Portland District, operating basis earthquakes (OBE) and maximum credible earthquakes (MCE) were established for seismic zones...

Siltation of the Port of Astoria
Sedimentation rates suddenly increased in the Port of Astoria, Oregon, immediately following the May 18, 1980 ash eruption of Mt. St. Helens. This ash was transported down the Columbia...

Heppner's User-Friendly Local Flood Warning System
The Heppner, Oregon, local flood warning system uses state-of-the-art technology with event-initiated data transmission, real-time monitoring, and automatic evaluation and notification....

The Coordination Effort: Getting Through the Levels
This paper deals with the coordination and management of two major public transport projects in Portland, Oregon. It discusses the management process utilized in the planning and construction...

Landslide Hazard Rating for the Oregon Coast Range
The landslide hazard rating system for shallow soils on steep terrain over hard sandstone has three components: ground water response to precipitation, soil shear strength (including root...

Estuarine Mitigation Policy in Oregon: A History
Oregon's Coastal Zone Management Program requires mitigation for estuarine intertidal fill and removal, by creation, restoration or enhancement of another area to maintain...

Henderson Marsh Mitigation Agreement
The Henderson Marsh Mitigation Agreement is a legal document entered into by the U. S. Fish and Wildlife Service (USFWS), the Oregon Department of Fish and Wildlife (ODFW), and the Weyerhauser...

Portland's New Water Pumping and Hydropower Station
The City of Portland, Oregon, recently placed into service a 100 mgd pumping station as a major milestone in developing a backup and emergency groundwater supply. The facility is also...

Evaluation of the Driver/Extraboard Cost Model
This paper presents a general evaluation of the Driver Extraboard Cost Model. The evaluation is based on a series of validation tests performed using data from the Tri-County Metropolitan...

Regional Planning Models Used in Subarea Windows
The typical regional travel-forecasting model has historically been confined to use on a mainframe computer. In an effort to reduce costs and allow computer hardware options, a three-tiered...

Application of the Federal Highway Administration (FHWA) Micro-Computer Based Quick Response System (QRS) Software to the Analysis of a 200 and 400 Acre Comprehensive Plan Change From Residential to High Tech Land-Use
The purpose of this study was to identify major changes in traffic volumes and generally the transportation implications caused by changing the Comprehensive Plan on a large area in the...

Current Corps of Engineers Concepts for Roller Compacted Concrete in Dams
Since construction of Willow Creek Dam in 1982, Elk Creek Dam in southwest Oregon is the only Corps of Engineers dam to be constructed using RCC that has passed beyond the planning stage...

Development of the Dredging Wheel
The 'bucket line' dredge and 'cutter suction' dredge are two distinct types of equipment. The cutter suction system has developed more...

 

 

 

 

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