Index Catalog // ScholarsArchive@OSU

Interstitial fluid mixing in estuarine benthic sediments

Creator:: Boyce, Allen R.
Abstract:: A method of measuring interstitial fluid mixing rates for evaluation of exchange between pore water of estuarine benthic sediments and the overlying water in a bay is presented. Pore water movement is monitored by reducing conductivity of the interstitial fluid within a zone of the benthic sediment to a depth...
Resource Type:: Masters Thesis
Full Text:: __Redacted for Privacy Abstract approved: Dr. Charles E. Wicks A method of measuring interstitial fluid

Engineering Services of Submerged Aquatic Vegetation (SAV): Investigation of the Land-Building and Energy-Attenuating Properties of SAV Habitats Across Spatial Scales

Creator:: Holzenthal, Elizabeth R.
Abstract:: Submerged aquatic vegetation (SAV) species, such as seagrasses, are highly valued in estuaries because of the many economic, ecological, and cultural services that they provide, including shelter for fisheries, minimizing water turbidity, and improving am-bient water quality. SAV can also alter its physical environment by attenuating wave and current velocities,...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Elizabeth R

Electron donor and chlorinated ethene effects on activity and community composition in anaerobic reductively dechlorinating consortia

Creator:: Sabalowsky, Andrew R.
Abstract:: This research focused on anaerobic transformation of trichloroethene (TCE), a groundwater contaminant. The mixed anaerobic Evanite culture (EV) was studied to determine community behavior and composition responses to different electron donors and chloroethene electron acceptors. The potential toxicity from high concentrations of TCE and its daughter product cis-1,2-dichloroethene (cDCE) was...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Andrew R. Sabalowsky for the degree of Doctor of Philosophy in Civil Engineering

Development of performance based test procedures for asphalt mixtures

Creator:: Kliewer, Julie E.
Abstract:: In 1987, Congress authorized a 5 year $150 million dollar research program called the Strategic Highway Research Program (SHRP). SHRP was divided into four major areas, including the asphalt research program. The asphalt research program was divided into six major research contracts, one such contract, SHRP-003A was called Performance Related...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Julie E. Kliewer for the degree of

Numerical Characterization and Modeling Uncertainty of Frame-Spine and Frame-Spine-FLC Full-Scale Specimens Tested at E-Defense Shake-Table

Creator:: Astudillo, Bryam
Abstract:: The characterization of the seismic performance of structures relies on numerical simulations. However, estimates of seismic response are subject to various sources of uncertainty, including modeling uncertainty. This research estimated the response of two full-scale structural specimens composed of a moment resisting frame, elastic spines, and force-limiting connections (FLC), which...
Resource Type:: Masters Thesis
Full Text:: -Scale Specimens Tested at E-Defense Shake-Table. Abstract approved

Reducing sediment production from forest roads during wet-weather use

Creator:: Toman, Elizabeth Myers
Abstract:: Forest roads produce fine sediment with traffic during wet weather. If the forest road is connected to a stream it can be a source of turbidity and fine sediment that may be detrimental to aquatic organisms especially salmonids. The goal of this work was to investigate turbid runoff during wet-weather...
Resource Type:: Dissertation
Full Text:: : ________________________________________ _____________________________________ Arne E. Skaugset Marvin R. Pyles Forest roads

Chemical characterization of asphalt cements using chromatographic techniques : relation to rheological properties and field performance

Creator:: Thenoux, Guillermo
Abstract:: This dissertation presents the findings of a literature review and information regarding selection, implementation and development of a chemical composition procedure for asphalt cements. The chemical composition analysis selected was the Corbett-Swarbrick procedure standarized as ASTM D4124. The procedure is a selective adsorption / desorption (solid / liquid) chromatography which...
Resource Type:: Dissertation
Full Text:: Highway Planning and Research (HP&R) project funded through the U.S. Department of Transportation Federal

Consolidation characteristics of calcareous deep sea-floor sediments from the Panama Basin

Creator:: Kao, Yeoung Ting
Abstract:: Calcareous sediments containing a large percentage of foraminiferal microskeletal tests were taken from sites in the Panama Basin and subjected to an investigation to determine the consolidation characteristics of this type of soil. The consolidation-stress curves and the time rate of consolidation curves in particular were investigated in this study....
Resource Type:: Masters Thesis
Full Text:: sphere e 1r/6 D e R 3 R3 e. Imo 3 3Tr/6 D (1-R3) 1-R e initial total void volume o volume of solids

Laboratory investigation of the mechanics of raveling soils

Creator:: Saunders, George P.
Abstract:: Oregon's forestry industry has and will continue to be a vital component of Oregon's economy, with twenty-two percent of Oregon's 1986 gross state product and thirty-nine percent of Oregon's 1986 gross manufacturing product related the forestry goods. An integral component to proper management of Oregon's forestry lands is Sustaining the...
Resource Type:: Masters Thesis

Modeling hydraulic dredge spoil fate

Creator:: Tseng, Ying-chuan
Abstract:: Hydraulic dredging is and most certainly will remain a primary means of maintaining and improving ship channels and for land reclamation in near-shore water. The study of which this thesis describes a part is intended to develop a method of predetermining the immediate disposition of sand spoils from hydraulic dredging...
Resource Type:: Masters Thesis
Full Text:: * points: E Cu = 18. 34; N = 11, Tu. = 1. 67 S O. 06; S r- 0, 02m

ScholarsArchive@OSU

Interstitial fluid mixing in estuarine benthic sediments

Engineering Services of Submerged Aquatic Vegetation (SAV): Investigation of the Land-Building and Energy-Attenuating Properties of SAV Habitats Across Spatial Scales

Electron donor and chlorinated ethene effects on activity and community composition in anaerobic reductively dechlorinating consortia

Development of performance based test procedures for asphalt mixtures

Numerical Characterization and Modeling Uncertainty of Frame-Spine and Frame-Spine-FLC Full-Scale Specimens Tested at E-Defense Shake-Table

Reducing sediment production from forest roads during wet-weather use

Chemical characterization of asphalt cements using chromatographic techniques : relation to rheological properties and field performance

Consolidation characteristics of calcareous deep sea-floor sediments from the Panama Basin

Laboratory investigation of the mechanics of raveling soils

Modeling hydraulic dredge spoil fate

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