Velocity measurements from 17 deployments of moored acoustic Doppler current
profilers obtained during four summer upwelling seasons are used to describe the crossshelf
divergence of Ekman transport in the inner shelf off Oregon. For each deployment
the measured surface and bottom cross-shelf transports were compared with estimates
of the theoretical...
The Willamette Basin Conservation Project was created to help people and programs work together toward positive results in Oregon’s Willamette Basin for people, lands, communities, waters and native species.
Web Information Discovery Tool (WIDIT) Laboratory at the Indiana University School of Library and Information Science participated in the HARD, Robust, and SPAM tracks in TREC- 2005. The basic approach of WIDIT is to combine multiple methods as well as to leverage multiple sources of evidence. Our main strategies for...
Scientists seek to explore the relationship between land use and nitrogen levels at different places along the Calapooia River. Featuring Bill Floyd and Dr. Stephen Schoenholtz.
Have you ever watched a squirrel? Watching squirrels is fun. They
look like a circus act as they jump from tree to tree. They run along
tree branches, leaping from branch to branch—it is unbelievable that they can move so fast and not fall! Sometimes you
can hear them barking...
Can you imagine eating bugs and berries and living inside a tree?
Western bluebirds do just that! They are members of the thrush family,
meaning that they are related to robins. There are three species, or kinds, of bluebirds in the United States: the Eastern
bluebird, the Western bluebird, and...
Welcome! Youʼve volunteered and have been selected to be a new 4-H leader! Congratulations! You are starting an interesting, challenging, and rewarding experience. Because we know you have lots of questions about this new venture, we believe youʼll fi nd the following information
helpful.
• How to recruit 4-H members and how many should we have?
• How can I enroll my group as a 4-H club?
• What about project materials?
• Are there dues for 4-H members?
• What about insurance?
• Where will our club meet?
• How often will our...
Key ideas
• Setting goals with your 4-H club
• Planning a yearly 4-H club calendar
• Club officers and committees
• Teaching the 4-H pledge, motto, symbols
• Possible agenda items for a 4-H club meeting
• Involving parents with your club
• Tours, activity days, etc.
You may...
Now that youʼve had several club meetings and the members are excited about their project work, youʼd probably like to consider other
families. Ask at your local Extension office about the many 4-H activities available to your members. Watch for announcements and descriptions of these in your county 4-H newsletters...
As you feel comfortable with one aspect of the program, youʼll want to challenge yourself to take on new leadership experiences. Youʼve probably discovered that, along with your members, you, too, are gaining new knowledge. Many opportunities are available for 4-H leaders to learn more about the 4-H program, make...
Key ideas
• The child-centered approach
• Ways to say “Very good”
• Helping youth learn
• Teaching tools
• Leadership styles and your club
• Leader characteristics
• What to do about kids who act up
• The activity, ideas, or meeting bombed! Now what?
Weed management is a continual challenge to Oregon table beet growers. Research over the last several years has documented that s-metolachlor (Dual Magnum) will substantially improve weed control and crop yields when applied alone or in concert with other registered herbicides such as Roneet and Pyramin, with the potential to...
Weeds reduce the value of nursery crops. They compete with crops for nutrients, light, and water. Some vine weeds climb nursery crops, requiring excessive labor for hand removal. Most serious are perennial weeds, which can be harvested with nursery crops and infest the field or landscape where they are subsequently...
A significant number of III users have implemented WebBridge as their OpenURL linking solution -- however a far fewer number have moved to integrate WebBridge into many of their other services like the catalog, ILL or beyond. This presentation will discuss two topics: first, how WebBridge can be used to...
We introduce a visual specification language for spreadsheets that allows the definition of spreadsheet templates. These templates are used by a spreadsheet generator to create Excel spreadsheets that are probably free from a large class of errors, such as reference, omission, and type errors. We demonstrate how spreadsheets can be...
Part 1: Bean mold project: What is an effective alternative to Ronilan for control of gray and white mold in snap beans when mold pressure is severe? When can we use a less expensive single fungicide application without putting the bean crop at significant risk?
Part 2: 12 Spot Beetle...
Home gardens produce the best yields when planted with
vegetable varieties adapted to local growing conditions.
These variety trials may assist market growers and home
gardeners in choosing adapted varieties, based on qualities
that are important to them (such as appearance, earliness,
flavor, yield, and disease resistance).
During boreal summer and fall, there is a strong southerly boundary layer flow across the equator into the east Pacific intertropical convergence zone (ITCZ). The modulation of this flow on synoptic to seasonal time scales is studied using an index of meridional pressure difference between the equator and the ITCZ...
Observations of sunlight reflected from regions of sun glint are used to check the relative calibration of spectral radiances obtained with imaging radiometers. Reflectances at different wavelengths for sun-glint regions are linearly related. Provided that the atmosphere is reasonably transparent at the wavelengths, the aerosol burden is reasonably light, 0.64-μm...
High‐resolution three‐dimensional (3‐D) seismic reflection data acquired on the R/V Thomas G. Thompson in 2000 reveal a pair of bottom simulating reflections (BSRs) across a broad region of southern Hydrate Ridge, offshore Oregon. The primary BSR (BSRp) is a regionally extensive reflection that lies 120–150 m below seafloor and exhibits...
As part of the U. S. GLOBEC NorthEast Pacific Program we made repeated seasonal hydrographic surveys in the northern California Current system (Figure 1) between July 1997 and September 2003. These surveys included early spring sampling along a pair of hydrographic sections, one north (at 44.6ºN) and one south (at...
A pair of hydrographic sections, one north and one south of Cape Blanco at 42.9N, was sampled in five summers (1998–2000 and 2002–2003). The NH line at 44.6N lies about 130 km south of the Columbia River, and spans a relatively wide shelf off Newport, Oregon. The CR line at...
The project team surveyed and interviewed forty identified experts within the diverse tsunami community. The survey revealed that this community is a sophisticated user of Internet search engines and tools and is very familiar with existing information. The sites mentioned most frequently as being helpful were those of the National...
We compared the abundance, diversity, and composition of truffles in riparian and upland areas within a
mixed-conifer forest of the Sierra Nevada of California. We sampled for truffles in a single watershed over two seasons
(spring and summer) and 4 years to determine whether truffles were more abundant and diverse...
To understand the characteristics of sea surface height signatures of tropical instability waves (TIWs), a linearized model of the central Pacific Ocean was developed in which the vertical structures of the state variables are projected onto a set of orthogonal baroclinic eigenvectors. In lieu of in situ current measurements with...
The ratio of live crown length to tree height (crown ratio; CR) is often used as an important predictor variable for tree level growth equations, particularly for multi-species and multi-layered stands. Also, CR indicates tree vigour and can be an important habitat variable. Measurement of CR for each tree can...
The listing of many Pacific Northwest anadromous fish stocks as threatened or endangered has heightened the need to protect or enhance the health of entire river systems. Salmon, steelhead, and other anadromous fish swim from the ocean to the headwaters of their home river, where they spawn. Their young hatch...
MOTIVATION: The automatic identification of over-represented motifs present in a collection of sequences continues to be a challenging problem in computational biology. Many existing approaches to motif identification do not always find the relevant biological motifs, or find only a subset of the occurrences of a motif. In this paper,...
Rapid eruption of submarine lava flows during formation of the Caribbean plateau correlates closely with
ocean anoxic event 2 (OAE2), which bracketed the Cenomanian/Turonian boundary (~93.5 Ma). These events
also correspond with a positive excursion in carbon isotopic composition of seawater. Hydrothermal activity
associated with large-scale submarine volcanism may have...
Describes chipmunks and their habits. Explains what type of habitat they need and how you can provide habitat in your yard. Includes sources of additional information and “fun facts.”
During summer 2001, high-resolution hydrographic, velocity, and bio-optical surveys
were conducted over Heceta Bank off central Oregon. North of the bank, upwelling
over simple bottom topography exhibited a classic response with a midshelf, baroclinic
coastal jet and upwelled isopycnals. The coastal upwelling jet follows the bank
topography as it widens...
This report is an attempt to address some critical information gaps regarding the effects of dikes and tide gates on coastal ecosystems and fisheries resources. The authors have identified the information needs during their work with landowners, community organizations, and resource management agencies and through a compilation and summary of...
This prioritization is designed to provide strategic focus for tidal wetland conservation and restoration actions undertaken in partnership with willing landowners. The stufy highligts land areas in the Umpqua River Estuary where tidal wetland restoration or conservation action may offer the biggest ecological "bang for the buck" - that is,...
This prioritization is designed to provide strategic focus for tidal wetland conservation and restoration actions undertaken in partnership with willing landowners. The study highlights land areas in the Smith River Watershed (within the Umpqua River estuary) where tidal wetland restoration or conservation action may offer the biggest ecological “bang for...
This prioritization is designed to provide strategic focus for tidal wetland conservation and a restoration actions undertaken in partnership with willing landowners. The study highlights locations in the Siuslaw River estuary where tidal wetland restoration or conservation action may offer the biggest ecological "bang for the buck" - this is,...
This prioritization is designed to provide strategic focus for tidal wetland conservation and restoration actions undertaken in partnership with willing landowners. The study highlights land areas in the Nehalem River estuary where tidal wetland restoration or conservation action may offer the biggest ecological “bang for the buck” – that is,...
The dependence of the reflectance at the surface on the vertical structure of optical parameters is derived from first principles. It is shown that the depth dependence is a function of the derivative of the round trip attenuation of the downwelling and backscattered light. Previously the depth dependence was usually...
An analytical model of subtropical mode water is presented, based on ventilated thermocline theory and on numerical solutions of a planetary geostrophic basin model. In ventilated thermocline theory, the western pool is a region bounded on the east by subsurface streamlines that outcrop at the western edge of the interior,...
The Valley Library Reference Collection is under-utilized, occupies valuable physical space, and represents a significant investment in collection funds. As reference resources are available electronically, we have not effectively shaped our print or digital reference collection. The physical collection ages as we cancel reference continuations without replacing them with electronic...
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,...
This report summarizes the recent state of the California Current System (CCS), primarily during the period of April 2004 to January 2005. The report is based on observations made between Oregon and Baja California by various ocean observing programs. The CCS was not forced by any coherent basin-wide processes during...
The 2003-2005 Biennial Report Volume 2 is an executive summary of Oregon's assessment of the Oregon Coastal Coho Evolutionarily Significant Unit (ESU). The assessment provides a detailed analysis that will inform the pending federal decision on whether to list coho as "threatened" under the Endangered Species Act.
Sections of Volume...
The report summarizes basin level accomplishments and investments related to water quality improvements, fish recovery, and watershed
health. The report also provides an overview of state agency actions
and recommendations to enhance the effectiveness of the Oregon
Plan.
The influence of the Plata, the second largest river in
South America, extends along a coastal strip of 1300 km.
Historical hydrographic and wind data and numerical
simulations are combined to determine the seasonal and
interannual variability of the Plata plume and its relationship
to the magnitude of the river...
The impact of SST specification on low-level winds in the operational ECMWF numerical weather prediction model is investigated in the eastern tropical Pacific from comparisons of ECMWF wind stress fields with QuikSCAT satellite scatterometer observations of wind stress during the August–December cold seasons of 2000 and 2001. These two time...
The latitudinal structure of annual equatorial Rossby waves in the tropical Pacific Ocean based on sea surface height (SSH) and thermocline depth observations is equatorially asymmetric, which differs from the structure of the linear waves of classical theory that are often presumed to dominate the variability. The nature of this...
An atmospheric stationary wave teleconnection mechanism is proposed to explain how ENSO may affect the Tibetan Plateau snow depth and thereby the south Asian monsoons. Using statistical analysis, the short available record of satellite estimates of snow depth, and ray tracing, it is shown that wintertime ENSO conditions in the...
This narrative details the evolution of a collaborative teaching project into an educational Website about Bibliotherapy, which is the process of facilitating personal development or problem resolution through books. Working with a Counselor Education colleague, the Education librarian at Oregon State University helped develop a tool to evaluate books for...
At George Washington University, librarians and faculty have partnered to provide an effective introduction to information literacy to all freshmen. The structure of the new writing program promotes goals that are at the intersection of the Council of Writing Program Administrators and Association of College and Research Libraries. Furthermore, the...
Tall fescue is grown for turf or forage seed on a broad range of soils in western Oregon. Typical seed yield is 1,200 to 2,000 lb/acre. Higher yields do not require additional nutrients beyond amounts recommended in this guide. These recommendations, especially for nitrogen, are adequate for production of more...
We discuss connections between inner‐shelf and mid‐shelf circulation near Point Conception, California, as well as the wind forcing of inner‐shelf circulation. Point Conception marks the southern edge of a major upwelling zone that extends from Oregon to central California. The coastline makes a sharp eastward turn at Point Conception, and...
Consists of 12 PowerPoint presentations created for a course in subject analysis taught at Charles University, Prague, in 2005. Topics covered include subject heading construction, classification, shelf listing, and subject authority work, with emphasis on Library of Congress Subject Headings and Library of Congress Classification.
Fire suppression has significantly increased canopy cover, litter depth, and stem density in many
western forests, altering microsite conditions that affect tree seedling establishment. We conducted studies in a
mixed-conifer forest in the Sierra Nevada, California, to determine relationships between established understory
trees and microsite quality, and to examine the...
Oregon Natural Heritage Information Center Report.
Sphagnum fens on the coast of Oregon are unique globally and contain a variety of rare plants and animals found nowhere else in the landscape. Evidence indicates that in the absence of disturbance, many open fens have converted to tall shrub and forest stands...
Dramatic changes in the physical and biological conditions off Washington and Oregon, USA, have occurred since 1998, including extreme El Niño (warm) and La Niña (cool) years, high and low Columbia River flow years, a major intrusion of subarctic water, and a low oxygen event on the shelf. The occurrence...
The effects of management on soil carbon efflux in different ecosystems are still largely unknown yet crucial to both our understanding and management of global carbon flux. To compare the effects of common forest management practices on soil carbon cycling, we measured soil respiration rate (SRR) in a mixed-conifer and...
The Teakettle Ecosystem Experiment in the southern Sierra Nevada is using thinning and prescribed
fire to recreate historical stand conditions. As part of Teakettle we assessed pretreatment diversity and density
of the soil arthropod community in 1998 and 2000. We determined the density and diversity of soil microarthropods
among treatment...
Changes in snow’s influence on surface ground temperature (SGT) could create a bias
in the borehole temperature record of climate change. Using a snow-ground thermal model
which predicts changes in the mean annual offset between SGT and surface air
temperature (SAT), we calculate the response of SGT to changes in...
Small broomrape (Orobanche minor Sm.) is a parasitic weed that recently has become troublesome in red clover seed production in Oregon. It was identified
in a single red clover seed production field in 1998, and the number of infestations increased to 15 by 2000 and 22 by 2001.
Ice-ocean heat exchange in polar leads was examined using a large-eddy simulation
model coupled to a slab ice model. Simulations were performed using an idealized square
domain for a range of lead sizes, surface wind stress (0.05–0.1 N/m²), and lead
temperature/salinity profiles. Particular emphasis was placed on understanding the role...