Straight, radial, erosional channels and fan-like deposits of tephra develop around steep-sided cones and composite volcanoes, but are not characteristic features of shield volcanoes. The channels and deposits normally are formed by explosive volcanic density currents which originate as nuées adrentes or base surges. The physical processes of explosive volcanic...
"This document is an interim report by the Heritage Program, submitted to the Oregon Parks and Recreation Branch. It summarizes: 1) the data collected on natural areas in private, county and municipal ownership throughout the state; 2) the techniques used to collect this data; 3) a system for storing, analyzing...
Published March 1941. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The State of Black Oregon is a statewide report on the social and economic conditions of African Americans in Oregon, focusing on specific areas such as as education, employment, housing, health, criminal justice and child welfare. "The report reveals a persistent gap in the living standards between black and white...
In this study I explored the variety of educational opportunities
available in museums. Next, I examined the museum education programs
in the Portland, Oregon area and described what types of opportunities are
available to teachers. Finally, I made suggestions for teachers on how to
best access museum programs and for...
We compared three existing ecoregional classification schemes (Bailey, Omernik, and World Wildlife Fund) with two derived schemes (Omernik Revised and Climate Zones) to explore their effectiveness in explaining species distributions and to better understand natural resource geography in the Klamath Region, USA. We analyzed presence/absence data derived from digital distribution...
Sediment along the western end of the Newport North Marina Jetty is free of contaminants such as metals, PAHs, pesticides, PCBs, phenols and TBT. According to guidelines developed to implement the CWA and MPRSA, the sediment is acceptable for both in-water and upland disposal.
Explaining restoration failure can be as important as touting success. We used a series of studies to understand the failure of techniques commonly used to restore wetland prairies in the Willamette Valley of western Oregon. Burning, fallowing, and solarization (covering tilled plots with plastic sheeting to heat the soil) had...
This is a transcript of a meeting between officials of the Army Corps of Engineers and various local stakeholders about a review study of the Yaquina River, and possible improvements the Corps might make to the river. Participants included local officials, representatives of local industries and concerned citizens. Facsimile copies...
This 1965 meeting was prompted by local requests and in response to flooding and high water from the storms of December, 1964-January, 1965. Local stakeholders voiced their concerns about the river to representatives of the Army Corps of Engineers.
Native shrublands and their associated grasses and forbs have been disappearing from the Great Basin as a result of grazing practices, exotic weed invasions, altered fire regimes, climate change and other human impacts. Native forb seed is needed to restore these areas. The irrigation requirements for maximum seed production of...
Native prairies, which once dominated the landscape of the Willamette Valley, are considered among the rarest of Oregon's ecosystems. Even though only remnants remain today, they harbor rare and endangered species such as the Fender's blue butterfly (Icaricia icariodes fenderi) and its preferred host plant, Kincaid's lupine (Lupinus sulphureus ssp....
Published July 1961. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
During Pliocene time a cluster of basaltic and basaltic andesite shield volcanoes was built in the
Three Sisters region. Included in this cluster are the North Sister, Little Brother, Husband, Wife,
Sphinx and Broken Top, the radial dikes and conduit fillings of which have been laid bare by
glacial erosion....
This document is a summary of the analysis of the management situation (AMS) and the subbasin review (SBR) for the Lakeview Resource Management Plan. The AMS/SBR compiles in one place important information about existing resource conditions, uses, and demands, as well as existing management activities and opportunities to resolve issues...
While the negative effects of urban development on freshwater systems are well documented, impacts of human disturbance on water quality vary depending on land cover, local climate, and temporal and spatial scales of analysis. To better understand this variation, we analyzed water quality data for a total of 15 sites...
Appendices include the report "Crisis in Oregon's Estuaries" from the Oregon Chapter of the American Fisheries Society, ordinances of the Port of Toledo, and the petition for what would become the Oregon Beach Bill.
The incidence and duration of breast feeding were determined
via telephone questionnaires from a sample of 95 women who delivered
healthy infants during the month of September 1982, in the greater
metropolitan area of Portland, Oregon. This sample was limited in
that the women were married, predominately white, over 25...
This volume is divided into two parts. Part 1 discusses estuary and estuarine habitat classification as a basis for resource planning. A hierarchical classification system is presented and suggested as an appropriate system for Oregon estuaries. Part 2 of the report suggests guidelines for estuarine resource inventories, including a list...
Springs in arid lands provide critical habitat for a variety of species and functions to humans, yet the ecology and management needs of springs to maintain these values are poorly understood. To examine plant communities along spring watercourse-upland gradients, we sampled 12 springs at low (desert) and high (forest) elevations...
Yaquina Bay and River waters were sampled in May, 1951 "to determine the suitability of these waters for the propagation of fresh market shellfish." (p.1) Found that the intensity and extent of pollution had increased "markedly" since the previous survey of March, 1948. "The waters of the bay are grossly...
"The City of Newport is proposing to complete a major wastewater treatment facility upgrade. The project includes laying a new primary pipeline from Nye Beach south to and under Yaquina Bay and continuing south to the new wastewater treatment facility in South Newport..." Solicits public comments. Includes a map and...
The present study examined the influence of country-of- origin on the apparel purchase decision. One-hundred and eighty-one adult female sweater purchasers were surveyed directly following the purchase of a sweater for personal use in the Portland, Oregon, metropolitan area. The sample consisted of 138 department store shoppers and 43 discount...
Bicycle commuting is increasing in popularity due to exercise benefits, cost savings, and environmental concerns. Available specialized cycling apparel does not reflect the aesthetic and expressive needs of the bicycle commuter. Urban bicycle commuters need clothing that allows them to bicycle safely and effectively while maintaining their identity as professionals....
As an emerging industry, ocean energy (OE) is expected to play a major contributory role to reach long-term global emissions reductions targets. The offshore environment has become the new frontier for renewable energy production with many high-capacity wind parks and other technologies such as tidal and wave energy being increasingly...
The spatial distribution and geologic histories of submarine volcanoes provide insight into submarine eruptive behavior, deep earth processes and plate tectonics. This dissertation examines the evolution of individual submarine volcanic edifices as well as linear trails of seamounts at three spatial and temporal scales.
In order to understand constructive and...
The purpose of this study was to investigate the level of social interaction and social comfort among five undergraduate ethnic groups: African American, American Indian, Asian American, Caucasian American, and Hispanic American. Another purpose was to explore the correlation between the level of social contact and comfort among the five...
The Oregon Coastal Atlas (http://www.coastalatlas.net), a collaboration of the Oregon Coastal Management Program, Oregon State University and Ecotrust, is an interactive map, data, and metadata portal targeted at coastal managers, scientists, and the general public. The site was developed to meet long-standing needs in the state for improving information retrieval,...
Stakeholders in the southern Blue Mountains have reported a need for a scientific review of the northern goshawk (Accipiter gentilis atricapillus; hereafter, goshawk) in relation to dry forest restoration and management activities. Here, we provide a compilation of relevant synthesis papers, existing peer-reviewed research, and goshawk monitoring efforts in the...
Published October 1972. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Until recently, manufacturing in
the Portland Metropolitan Area was highly
concentrated in the central city, with little
industrial activity in the periphery of the
urban area except for primary processing of
timber and agricultural resources. However,
in recent years, especially within the last
decade, industrial activity has spilled well
beyond...
This study examines the relationships among variables influencing
solar access in the Portland-Vancouver Metropolitan Area. The
analysis is based on a random sample of approximately 400 single-family
homes in 21 local jurisdictions outside the city limits of Portland.
Relationships between percentage of available sunlight and selected
variables were examined by...
Based on oral interviews with tribal informants, current and former state and federal fisheries personnel, review of records and literature, and presence/absence sampling, it is apparent that Pacific lamprey were once abundant in ceded area streams of the Umatilla Indian Reservation (John Day, Umatilla, Walla Walla, Tucannon, and Grande Ronde...
This report is one of a series prepared by the Oregon Department of Fish and Wildlife (ODFW) which summarizes the physical and biological data for selected Oregon estuaries. The reports are intended to assist coastal planners and resource managers in Oregon in fulfilling the inventory and comprehensive plan requirements of...
This report is one of a series prepared by the Oregon Department of Fish and Wildlife (ODFW) which summarizes the physical and biological data for selected Oregon estuaries. The reports are intended to assist coastal planners and resource managers in Oregon in fulfilling the inventory and comprehensive plan requirements of...
This report is one of a series prepared by the Oregon Department of Fish and Wildlife (ODFW) which summarizes the physical and biological data for selected Oregon estuaries. The reports are intended to assist coastal planners and resource managers in Oregon in fulfilling the inventory and comprehensive plan requirements of...
We present the geomorphology of the Eastern Samoa Volcanic Province, covering 28,446 km², and depths ranging from ~50-4000 m. A new compilation of available multibeam data reveals 51 previously undocumented seamounts, and delineates major submarine rift zones, eruptive centers, and volcanic plateaus. Moving from a regional to local scale, and...
Silicic caldera-forming eruptions are some of the largest and most destructive volcanic eruptions known, and present significant local and global hazards. The underlying processes within crustal magma plumbing systems that lead to the accumulation and eruption of large volumes of evolved magma remain enigmatic, yet there is broad consensus that...
Native upland prairies, which once dominated the landscape of the Willamette Valley, are considered among the rarest of Oregon's ecosystems. Even though only remnants remain today, they harbor many rare and endangered species such as the Fender's blue butterfly and its host plant, Kincaid’s lupine. Invasion of remnant prairies by...
This case study looks at the establishment and development of the Oregon Hops and Brewing Archives. It addresses planning, implementation, results, and lessons learned.
Oregon is a special place, known for stunning natural beauty, a good amount of rain, and a predilection for pushing the boundaries of cultural norms. Its...
This bibliography focuses on works that will provide the reader with supplemental resources on the history of ethnic minorities in Oregon. An effort has been made to highlight materials that are particularly appropriate for use in teaching students of various ages. The featured resources address all historical time periods, but...
Twelve years ago I was new to the Oregon coast and eager to learn about the natural setting. Field guides were available to birds, marine mammals, tide pools, seaweeds, and forest plants. Not so geology. I looked at a field guide to rocks and minerals, but it was hard to...