Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 93 for “"Environmental Health and Protection"”.
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Environmentalism in the United States: An Evolving Perspective
The purpose of this study is to investigate environmentalism in the United States. The dimension of perspective receives considerable attention. The prevailing perspective by a society regarding the importance of the health of the natural world greatly influences the degree of support of …
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Ecology, Economy and Ecotourism: Sustaining People and the Environment
… The fastest growing segment of the travel and tourist trade is ecotourism. The concept of sustainable development insists that humans cooperate with nature in the search for an ecological economy which can support present and future populations. Ecotourism attempts to attain this elusive …
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Evaluation of Constructed Wetlands for the Waste Management of a Large Scale Swine Production Unit
The effectiveness of using constructed wetlands to remove unwanted nutrients, increase dissolved oxygen while at the same time decreasing the biological oxygen demand, and to reduce the levels of the Fecal Coliform Bacteria from a swine operation was evaluated. The indicator of proper waste …
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The Progression of Recycling in Bowling Green, Kentucky
… waste. It keeps many tons of garbage out of our landfills and prolongs landfill life. Although many people in the Bowling Green area participate in the mandatory recycling program, there are still many who do not. The number of people who participate in the program has steadily grown over the past …
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A Spatial Analysis of the Impact of Development on Wetland Habitat in Mount Pleasant, South Carolina
In response to growing concerns over wetland habitat loss and the associated impact on water resources, federal and state legislation has been enacted to protect vulnerable wetland habitats from the impacts of humans. In order to examine the efficacy of current coastal resource policy and its …
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Analysis of Soil Lead Levels in an Historic District of a South Central Kentucky City
… age of housing units, exterior composition, and paint loading may affect the amount of lead present in the soil. The purpose of this study was to analyze soil lead levels on properties located in an historic district and relate those levels to the variables previously mentioned. A total of 30 …
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Study of the Distribution and Variation of the Herbicide Atrazine in Finished Drinking Water at a Small Community Water System in Kentucky
… is known to have carcinogenic properties and is an endocrine disruptor in aquatic species even at low concentrations. Atrazine has the ability to be transported through the environment into water bodies due to its physical and chemical properties favoring its occurrence and distribution. …
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Transport of the Herbicide Atrazine on Suspended Sediments During a Spring Storm Event in Mammoth Cave, Kentucky
… an herbicide used in Kentucky to control grassy and broad-leaf weeds in corn fields, on suspended sediments. Atrazine is a known carcinogen and endocrine disruptor and has been shown to be toxic at low environmental concentrations. Atrazine has the capacity to adsorb to soil particles, which in …
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Park and Ride Feasibility Analysis for the Evansville, Indiana, Metropolitan Area
Congested roadways and declining air quality standards are major concerns for many communities faced with the challenges of suburban growth and city decay. How each community chooses to fight the problems created by urban sprawl depends greatly on individualized characteristics of the community. …
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Dye Tracing to Delineate Drainage Basins and Determine Groundwater Sensitivity, Mammoth Cave, Kentucky; with Special Reference to Potential Groundwater Contamination from Spills Along Interstate I-65
… cave. Previous research, including cave mapping and dye tracing (Quinlan and Ray, 1989; Currens and Ray, 1998; Coons, 1994), has delineated the boundaries of spring groundwater basins for numerous springs along the Green and Barren Rivers. These data showed that 60% of the water that flows …
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Water Quality Assessment in Cypress Creek Nature Preserve
… many swamps were altered by cypress removal and land development in their watersheds. Cypress Creek Swamp, which lies near Paducah in western Kentucky, is a good example of a swamp whose ecological integrity may be threatened by past and current nearby land use practices. This study was …
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Actiononaias Ligamentina as a Biomonitor in the Green River: An Unique Approach for Analysis of Environmental Impacts
… It is used to maintain high water quality standards, and determine contaminant levels and biological affects in areas that have been heavily disturbed. The objectives of this research were 1) to improve and apply certain modern biomonitoring techniques and 2) to locate possible contaminant …
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Relationships Between Environmental Factors and Fungi on Occupants' Perceptions of Indoor Air Quality
<p>In recent decades, concerns about potential health effects resulting from exposure to contaminants that cause indoor air pollution have dramatically increased. The purpose of this study was to assess the indoor air quality of three buildings at Western Kentucky University and to examine and …
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Exposure Assessment of Mercury in Fish from Kentucky Surface Waters
… be a neurological toxin that can cause attention and language deficits, impaired memory, and impaired visual and motor function, especially in children under the age of six. In addition, mercury exposure can lead to other health problems in adults, such as damage to the kidney and increased risk …
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Chemistry and the Automotive Industry
… in the automotive industry with emphasis on environmental compliance via chemical reporting by database and internal Energy Dispersive X-ray Fluorescence (XRF) screening, third party laboratory material testing, and the future of the chemist in the United States (U.S.) automotive industry. …
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Monitoring Photocatalytic Degradation of X-ray Contrast Media with Raman Spectroscopy
<p>X-ray contrast media such as diatrizoate and iohexol have been found in wastewater and drinking water and are difficult to remove because they are resistant to water treatment processes. A removal process can be started with ultraviolet photocatalytic degradation of X-ray contrast media in the …
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Atrazine Contamination in a Rural Source-Water Supply: Spa Lake, Lewisburg, Kentucky
… (WKU) worked in collaboration with the Environmental Protection Agency (EPA), Drinking Water Protection Division, to investigate methods to improve source-water quality for rural-water supply systems (RWSS). Through partial funding from the EPA, WKU developed a Technical Assistance …
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Agricultural Contaminant Source and Transport in a Karst Groundwater Basin
Agricultural land use in areas that are located in karst groundwater basins negatively impact groundwater quality because karst terrains provide multiple, direct hydrologic connections from the surface into karst aquifers. The connections and rapid velocities associated with surface and subsurface …
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Measuring the Applicability of the Seville Strategy to the Mammoth Cave Area Biosphere Reserve
… preservation of biodiversity through the use of landscape corridors and buffer zones, as well as the integration of economic growth through sustainable use. The International Biosphere Reserve (IBR) program, as defined in the Seville Strategy, encourages locations already involved in conservation …
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Development of an Atmospheric Fluidized Bed Combustor (AFBC)
… these is the ever present problem of acid rain and growing public support for cleaner burning fossil fuels. Second is the increasing demand on public landfills and subsequent need for burning of municipal solid waste. From these factors and their corresponding influences, Western Kentucky …
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