Index Catalog // ScholarsArchive@OSU

Multi-objective Optimization of Reservoir Operation Under Uncertainty with Robust and Flexible Decision Variables

Creator:: Hosseini, Parnian
Abstract:: Optimization of reservoir operation is involves various competing objectives for a scarce resource (water). To find the optimal operation of reservoirs, it is essential to consider multiple objectives simultaneously. There are various sources of uncertainty associated with the reservoir operation problem that should be considered as well. The overarching goal...
Resource Type:: Dissertation
Full Text:: bounds for first decision variable for all the Pareto solutions; and D) Flexible bounds for second

Watershed modeling at Yucca Mountain, Nevada

Creator:: Britch, Michael J.
Abstract:: Studies are currently underway to determine the suitability of Yucca Mountain in Nevada as the nation's first high-level nuclear waste repository. Values of net infiltration are required to determine pre-waste emplacement groundwater travel times and the performance of the repository as a waste containment system. The objective of this study...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Michael J. Mitch for the degree of Master of Science in Civil Engineering

U(VI) transport in subsurface materials: is two-site, one-species modeling sufficient?

Creator:: Harrington, Stephanie J.
Abstract:: Uranium adsorption to Hanford sediment was studied for various pH, total inorganic carbon concentrations, and total U(VI) concentrations. Both batch and transport studies were done in an attempt to understand the adsorptive trend of U(VI) on Hanford sediment, and the changes in adsorption as both pH and total inorganic carbon...
Resource Type:: Masters Thesis
Full Text:: : Brian D. Wood Uranium adsorption to Hanford sediment was studied for various pH, total inorganic

A study of the quantity and distribution of bark debris resulting from log rafting

Creator:: Williamson, Kenneth J.
Abstract:: A study was conducted to determine the quantity and distribution of bark debris resulting from log rafting. Three distinct problems were studied: (I) the quantity of bark dislodged from the logs while being placed in the rivers and during transport in log rafts; (2) the percentage of the bark that...
Resource Type:: Masters Thesis
Full Text:: School Date thesis is presented 0104411441E /44, Typed by Cheryl E. Curb for Kenneth J. Williamson

Measurement of the rates of reductive dechlorination of chlorinated phenols

Creator:: Nicholson, David K.
Abstract:: Knowledge of a compound's degradation pathway is crucial to the assessment of risk at contaminated sites. Pentachlorophenol and its metabolic products can serve as model compounds to study the fate and transport of halogenated aromatic compounds in the environment. Acclimation of anaerobic sewage sludge to pentachlorophenol produced a microbial consortium...
Resource Type:: Masters Thesis
Full Text:: committee members Drs. Jonathan D. Istok, Kenneth J. Williamson, and Philip E. Humphrey. Funding for this

3-D finite element modeling in OpenSees for bridge live-load girder distribution factors

Creator:: Scoggins, Luke A.
Abstract:: A generalized, three-dimensional, finite element bridge model was created in order to efficiently and accurately assess live-load girder distribution factors for a variety of bridge types. This model shortens the time required by bridge analysts to develop individual finite element models for bridges of varying geometries. The creation of the...
Resource Type:: Masters Thesis
Full Text:: 22, 2007. Title: 3-D Finite Element Modeling in OpenSees for Bridge Live-Load Girder Distribution

Roughness and geometry effects of engineered log jams on 1-D flow characteristics

Creator:: Valverde, Rachelle S.
Abstract:: The re-introduction of large woody debris (LWD) into streams and rivers for stream restoration purposes is rapidly growing. Engineered log jams (ELJs) are man-made structures intended to mimic natural LWD structures, designed and installed to protect stream banks from erosion while increasing habitat diversity. Several studies have evaluated the flow...
Resource Type:: Masters Thesis
Full Text:: Roughness and Geometry Effects of Engineered Log Jams on 1-D

Environmental Regulations Reconsidered : Identifying Incentives and Barriers to Environmental Performance

Creator:: Craig, Kathleen D.
Abstract:: Attention has been drawn to the observation that environmental benefits under the current regulatory approaches are diminishing with respect to increased pollution control costs. Regulators have begun to appreciate that while environmental gains can still be achieved under the current command and control system, the most significant environmental gains have...
Resource Type:: Masters Thesis
Full Text:: incentives and barriers to environmental performance AN ABSTRACT OF THE THESIS OF Kathleen D. Craig for

Anaerobic reductive dechlorination of TCE and TCFE in TCE contaminated sediments : enhanced bioremediation and bioaugmentation

Creator:: Lee, Jae-Hyuk
Abstract:: This research focused on the enhanced reductive dechlorination of trichloroethene (TCE) and its surrogate, trichlorofluoroethene (TCFE), using two bioremediation methods in anaerobic conditions. Two anaerobic bioremediation studies were conducted to investigate the effects of microbial communities in the presence of different electron acceptors and donors during anaerobic reductive dechlorination of...
Resource Type:: Dissertation
Full Text:: . Fennell, D. E.; Gossett, J. M.; Zinder, S. H. Comparison of butyric acid, ethanol, lactic acid, and

Depositional and diagenetic model for the Middle Devonian Denay Limestone, northern Antelope Range, Eureka County, Nevada

Creator:: Hoffmann, Heidi
Abstract:: Deposition of the Middle Devonian part of the Denay Limestone and Bay State Dolomite in the northern Antelope Range and Fish Creek Range, respectively, took place on and in front of a carbonate platform with a lime sand shoal at the shelf edge. In the Givetian part of the Denay...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Multi-objective Optimization of Reservoir Operation Under Uncertainty with Robust and Flexible Decision Variables

Watershed modeling at Yucca Mountain, Nevada

U(VI) transport in subsurface materials: is two-site, one-species modeling sufficient?

A study of the quantity and distribution of bark debris resulting from log rafting

Measurement of the rates of reductive dechlorination of chlorinated phenols

3-D finite element modeling in OpenSees for bridge live-load girder distribution factors

Roughness and geometry effects of engineered log jams on 1-D flow characteristics

Environmental Regulations Reconsidered : Identifying Incentives and Barriers to Environmental Performance

Anaerobic reductive dechlorination of TCE and TCFE in TCE contaminated sediments : enhanced bioremediation and bioaugmentation

Depositional and diagenetic model for the Middle Devonian Denay Limestone, northern Antelope Range, Eureka County, Nevada

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