Index Catalog // ScholarsArchive@OSU

A Hierarchy of Models for Simulating Experimental Results 6 from a 3D Heterogeneous Porous Medium

Creator:: Vogler, Daniel, Ostvar, Sassan, Paustian, Rebecca, and Wood, Brian D.
Abstract:: In this work we examine the dispersion of conservative tracers (bromide and fluorescein) in an experimentally constructed three-dimensional dual-porosity porous medium, and in the absence of adjustable parameters. The medium is highly heterogeneous (σ2 Y = 5.7), and consists of spherical, low-hydraulic-conductivity inclusions embedded in a high-hydraulic-conductivity matrix. The bi-modal...
Resource Type:: Article and Preprint
Full Text:: , Zurich, Switzerland8 2Chemical, Biological, and Environmental Engineering, Oregon State University, OR

Existing Vegetation and Site Observations at Killin Wetland, Washington County, Oregon

Creator:: Christy, John A. and Garvey, Megan
Abstract:: The history, current condition, and options for restoration at Metro's Killin Wetland were outlined recently by Christy (see citation information below). As part of the site evaluation, Metro requested an inventory of Killin Wetland, which is presented here with information on other miscellaneous features observed that may be of interest...
Resource Type:: Technical Report
Full Text:: ). Although scent piles and half-eaten aquatic vegetation were present on the lodge, the wood was all old

The relationship between cellulose nanocrystal dispersion and strength

Creator:: Cao, Yizheng, Zavattieri, Pablo, Youngblood, Jeffrey, Moon, Robert, and Weiss, Jason
Abstract:: This paper studies the agglomeration of cellulose nanocrystals (CNCs) and uses ultrasonication to disperse CNCs in cement pastes in an attempt to improve strength. Rheological measurements show that when the concentration of CNCs exceeds 1.35% by volume in deionized water, agglomerates start to develop. This experimental finding is comparable to...
Resource Type:: Article
Full Text:: , Jeffrey Youngblood a, Robert Moon c, Jason Weiss d,⇑ a School of Materials Engineering, Purdue University

Malheur Experiment Station annual report 2015

Creator:: Oregon State University. Malheur Experiment Station and Oregon State University. Agricultural Experiment Station
Abstract:: The information in this report is for the purpose of informing cooperators in industry, colleagues at other universities, and others of the results of research in field crops. Reference to products and companies in this publication is for specific information only and does not endorse or recommend that product or...
Resource Type:: Technical Report
Full Text:: Report 2015, Department of Crop and Soil Science Ext/CrS 156, July 2016, edited by Clinton C. Shock

Impacts of chemical modification on the toxicity of diverse nanocellulose materials to developing zebrafish

Creator:: Harper, Bryan J., Clendaniel, Alicea, Sinche, Federico, Way, Daniel, Hughes, Michael, Schardt, Jenna, Simonsen, John, Stefaniak, Aleksandr B., and Harper, Stacey L.
Abstract:: Cellulose is an abundant and renewable resource currently being investigated for utility in nanomaterial form for various promising applications ranging from medical and pharmaceutical uses to mechanical reinforcement and biofuels. The utility of nanocellulose and wide implementation ensures increasing exposure to humans and the environment as nanocellulose-based technologies advance. Here,...
Resource Type:: Article
Full Text:: Department of Wood Science and Engineering, Oregon State University, Corvallis, OR, USA A. B. Stefaniak

Carbon emissions from decomposition of fire-killed trees following a large wildfire in Oregon, United States

Creator:: Campbell, John L., Fontaine, Joseph B., and Donato, Daniel C.
Abstract:: A key uncertainty concerning the effect of wildfire on carbon dynamics is the rate at which fire-killed biomass (e.g., dead trees) decays and emits carbon to the atmosphere. We used a ground-based approach to compute decomposition of forest biomass killed, but not combusted, in the Biscuit Fire of 2002, an...
Resource Type:: Article
Full Text:: lowest for large-diameter wood. Decomposition rates varied somewhat among tree species and were only 35

A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO₂: evidence from carbon isotope discrimination in paleo and CO₂ enrichment studies

Creator:: Voelker, Steven L., Brooks, J. Renée, Meinzer, Frederick C., Anderson, Rebecca, Bader, Martin K.-F., Battipaglia, Giovanna, Becklin, Katie M., Beerling, David, Bert, Didier, Betancourt, Julio L., Dawson, Todd E., Domec, Jean-Christophe, Guyette, Richard P., Körner, Christian, Leavitt, Steven W., Linder, Sune, Marshall, John D., Mildner, Manuel, Ogée, Jérôme, Panyushkina, Irina, Plumpton, Heather J., Pregitzer, Kurt S., Saurer, Matthias, Smith, Andrew R., Siegwolf, Rolf T. W., Stambaugh, Michael C., Talhelm, Alan F., Tardif, Jacques C., Van de Water, Peter K., Ward, Joy K., and Wingate, Lisa
Abstract:: Rising atmospheric [CO₂], cₐ, is expected to affect stomatal regulation of leaf gas-exchange of woody plants, thus influencing energy fluxes as well as carbon (C), water, and nutrient cycling of forests. Researchers have proposed various strategies for stomatal regulation of leaf gas-exchange that include maintaining a constant leaf internal [CO₂],...
Resource Type:: Article
Full Text:: Research Station, 3200 SW Jefferson Way, Corvallis, OR 97331, USA, 4Jack Baskin Engineering, University of

Global Patterns of the Contributions of Storm Frequency, Intensity, and Seasonality to Interannual Variability of Precipitation

Creator:: Good, Stephen P., Guan, Kaiyu, and Caylor, Kelly K.
Abstract:: Interannual variation in precipitation totals is a critical factor governing the year-to-year availability of water resources, yet the connection between interannual precipitation variability and underlying event- and season-scale precipitation variability remains unclear. In this study, tropical and midlatitude precipitation characteristics derived from extensive station records and high-frequency satellite observations were...
Resource Type:: Article
Full Text:: Department of Biological and Ecological Engineering, Oregon State University, Corvallis, Oregon KAIYU GUAN

Registration handbook 2016-2017

Creator:: Oregon State University. Registrar's Office
Resource Type:: Other
Full Text:: , discussion boards or at any location in the course material. Visit http://ecampus.oregonstate.edu/services

Using Crack Propagation Fracture Toughness to Characterize the Durability of Wood and Wood Composites

Creator:: Mirzaei, B., Sinha, A., and Nairn, J. A.
Abstract:: We measured fracture resistance curves (or R curves) for laminated veneer lumber (LVL) made with Douglas fir veneer and polyvinyl acetate resin and for solid wood Douglas fir. The LVL and solid wood R curves were the same for initiation of fracture, but the LVL toughness rose much higher than...
Resource Type:: Article
Full Text:: Durability of Wood and Wood Composites B. Mirzaei, A. Sinha, and J.A. Nairn∗ Wood Science and Engineering

ScholarsArchive@OSU

A Hierarchy of Models for Simulating Experimental Results 6 from a 3D Heterogeneous Porous Medium

Existing Vegetation and Site Observations at Killin Wetland, Washington County, Oregon

The relationship between cellulose nanocrystal dispersion and strength

Malheur Experiment Station annual report 2015

Impacts of chemical modification on the toxicity of diverse nanocellulose materials to developing zebrafish

Carbon emissions from decomposition of fire-killed trees following a large wildfire in Oregon, United States

A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO₂: evidence from carbon isotope discrimination in paleo and CO₂ enrichment studies

Global Patterns of the Contributions of Storm Frequency, Intensity, and Seasonality to Interannual Variability of Precipitation

Registration handbook 2016-2017

Using Crack Propagation Fracture Toughness to Characterize the Durability of Wood and Wood Composites

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