Index Catalog // ScholarsArchive@OSU

Quantifying in situ β-glucosidase and phosphatase activity in groundwater

Creator:: Radakovich, Karen M
Abstract:: Enzymes play an important role in the environment, they breakdown natural-occurring and anthropogenic molecules so that they can be transported into cells and utilized. Enzyme assays are routinely used in soil science and oceanography to measure the activities of specific processes and to serve as general indicators of microbial activity....
Resource Type:: Dissertation
Full Text:: -Glucosidase and Phosphatase Activity in Groundwater. Abstract approved: Enzymes play an important role in

A numerical model for the fate and transport of chlorinated phenols in groundwater

Creator:: Lee, Sang Bong
Abstract:: The objective of this study was to develop a numerical model for the movement and fate of chlorinated phenols in groundwater. In the first part, a numerical model for several different equilibrium and nonequilibrium sorption processes under isothermal conditions is developed for one-dimensional, steady-state water flow in soil columns. The...
Resource Type:: Dissertation
Full Text:: chlorinated phenols in groundwater AN ABSTRACT OF THE THESIS OF Sang Bong Lee for the degree of Doctor of

Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Creator:: Fry, Virginia A., 1959-
Resource Type:: Dissertation
Full Text:: on the Feasibility of In Situ Bioremediation of Contaminated Groundwater Abstract Approved: Jonathan

Thermodynamic analysis of geothermal energy systems with forced recovery from aquifers

Creator:: Lee, Se Kyoun
Abstract:: A thermodynamic analysis of forced geoheat recovery from aquifers has been accomplished. The system investigated consists of a single recharging-discharging well pair, in a horizontally extensive aquifer, with either power generation or space heating as surface applications. The space heating systems investigated are (i)direct heating, (ii)heat pumps and (iii)a combination...
Resource Type:: Dissertation

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:: dechlorination of TCE and TCFE. The first study was conducted in the groundwater microcosm bottles, filled with

Demonstration of a permeable barrier technology for the in-situ bioremediation of pentachlorophenol contaminated groundwater

Creator:: Cole, Jason David
Abstract:: A pilot scale demonstration of a biological permeable barrier was conducted in a pentachlorophenol-contaminated aquifer at a wood preserving facility. A permeable reactor was constructed to fit within a large diameter well. Arranged in series, a cylindrical reactor 24" x 36" (0.61 x 0.91m) (diameter x height) was partitioned to...
Resource Type:: Dissertation
Full Text:: -situ Bioremedication of Pentachlorophenol Contaminated Groundwater AN ABSTRACT OF THE DISSERTATION OF

Measuring in situ reductive dechlorination rates in trichloroethene-contaminated groundwater

Creator:: Hageman, Kimberly J.
Abstract:: Trichloroethene (TCE) is the most frequently detected organic contaminant in groundwater, is classified as a probable human carcinogen, and exhibits toxicological effects on the human endocrine, immune, developmental, and reproductive systems. While significant research efforts have been devoted to the development of strategies for remediating TCE-contaminated groundwater, their advancement is...
Resource Type:: Dissertation
Full Text:: Dechlorination Rates in Trichloroethene- Contaminated Groundwater. Abstract approved: Jennifer A. Field

Solutions to some linear evolutionary systems of equations : study of the double porosity model of fluid flow in fractured rock and its applications.

Creator:: Bodvarsson, Gudrun M.
Abstract:: The present work is a study of three degenerate, linear parabolic systems of equations, each of which represents a version of the so-called double porosity model for underground fluid flows in natural fractured rock. These systems of equations together with initial and boundary conditions describe single-phase flows in fluids, slightly...
Resource Type:: Dissertation

On the use of recession slope analysis and the Boussinesq equation for interpreting hydrographs and characterizing aquifers

Creator:: Rupp, David Earl
Resource Type:: Dissertation

The role of near-stream zones on flow, chemistry and isotopic composition at the headwater scale

Creator:: Frentress, Jay
Abstract:: Stream discharge is a key water balance component and important factor in global change evaluations. Nevertheless, the mechanisms for streamflow generation are poorly understood. Near- stream surface saturation during precipitation events is one of the most iconic, visible indicators of rapid runoff production in upland humid catchments around the world....
Resource Type:: Dissertation
Full Text:: and appeared a mix of the highly variable soil and groundwater. Thermal infrared (TIR) imagery

ScholarsArchive@OSU

Quantifying in situ β-glucosidase and phosphatase activity in groundwater

A numerical model for the fate and transport of chlorinated phenols in groundwater

Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Thermodynamic analysis of geothermal energy systems with forced recovery from aquifers

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

Demonstration of a permeable barrier technology for the in-situ bioremediation of pentachlorophenol contaminated groundwater

Measuring in situ reductive dechlorination rates in trichloroethene-contaminated groundwater

Solutions to some linear evolutionary systems of equations : study of the double porosity model of fluid flow in fractured rock and its applications.

On the use of recession slope analysis and the Boussinesq equation for interpreting hydrographs and characterizing aquifers

The role of near-stream zones on flow, chemistry and isotopic composition at the headwater scale

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