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Articles 1 - 11 of 11
Full-Text Articles in Civil and Environmental Engineering
An Investigation Into The Common Problems Of Lagoon Wastewater Treatment In Kentucky, Kaylee A. Jones
An Investigation Into The Common Problems Of Lagoon Wastewater Treatment In Kentucky, Kaylee A. Jones
Honors Theses
Lagoon wastewater treatment systems are commonly used in areas that do not have the available resources for typical mechanical wastewater treatment. Lagoon systems consist of multiple preliminary lagoons, but mainly rely on long-term facultative lagoons for most analyte removal. In this study, one particular lagoon wastewater treatment system (named Municipality A Wastewater Treatment Plant) is investigated due to noncompliance with governmental standards provided by the National Pollutant Discharge Elimination System (NPDES). Samples were collected by researchers at 4 different instances inside of the treatment systems. These samples were sent to an analytical laboratory for testing. The readings from these samples …
Going Green: A Comparative Analysis Of Green Urbanism In Paris And Shanghai, Jeanne Torp
Going Green: A Comparative Analysis Of Green Urbanism In Paris And Shanghai, Jeanne Torp
Honors Theses
As climate change becomes more pressing with each day and as we scramble to slow down the challenges it poses, adapting the means of operation within our cities will become an invaluable tool for reducing humanity’s carbon footprint. This paper seeks to study the ways in which green infrastructure in global cities can be used to do just that—adapting to and mitigating the effects of challenges resulting from climate change. In order to provide a broad overview of the effectiveness of such green infrastructure systems across the globe, this research will focus on two cities that vary greatly in their …
How Moisture Content Levels And Packing Density In Soil Affect Crude Oil Spreads, Shaylin N. Williams
How Moisture Content Levels And Packing Density In Soil Affect Crude Oil Spreads, Shaylin N. Williams
Venture: The University of Mississippi Undergraduate Research Journal
Crude oil spills are one of the most destructive disasters that can occur, and they are extremely difficult to recover from. Many studies focus on what can be done to clean these crude oil spills, but more research should be focused on means of prevention. Currently, very little is known about how the moisture content levels and the packing efficiency of soil can affect an oil spill. These two factors alone can offer a variety of information to environmental agencies, manufacturers, and refineries. Through utilization of a chemical engineering lab, a recording mechanism, and ImagePro software, data was collected and …
A Framework For Assessing Water Quality, Prioritizing Recovery Potential, And Analyzing Placement Of Best Management Practices, Tadesse Animaw Sinshaw
A Framework For Assessing Water Quality, Prioritizing Recovery Potential, And Analyzing Placement Of Best Management Practices, Tadesse Animaw Sinshaw
Electronic Theses and Dissertations
Motivated by the U.S. EPA goals, this research developed a framework to support identification and restoration of nutrient-impaired water bodies. The study objectives were developing total nitrogen (TN) and total phosphorus (TP) prediction models, evaluating the impact of social indicators on assessing recovery potential, and developing a spatial decision support system for choice and placement of best management practices (BMPS). An artificial neural network was used to develop TN and TP predictive regional models for U.S. lakes using easily measurable and cost-effective variables. The performance of models was superior for regions trained with larger datasets and/or regions with lower temperature …
Extreme Weather Disaster Resilient Port And Waterway Infrastructure For Sustainable Global Supply Chain, Quang Van Nguyen
Extreme Weather Disaster Resilient Port And Waterway Infrastructure For Sustainable Global Supply Chain, Quang Van Nguyen
Electronic Theses and Dissertations
Global supply chain is largely dependent on seaports and marine terminals. Ports serve international cargo traffic for imports and exports. About 90% of the world’s goods are transported by sea and over 70% as containerized cargo ships. Coastal hurricanes/cyclones and rainfall flood disasters cause major disruptions for sea shipping traffic, disruptions of port infrastructure, and adverse impacts on coastal communities each year. Additionally, these weather related disasters threaten millions of people, damage infrastructure, and cost billions of dollars in global supply chain disruptions. Sustainable global supply chains, port infrastructure, and coastal community impact by these extreme weather disasters are the …
Bacteria Prediction For Recreational Waters Through The Use Of Artificial Neural Networks, Christopher Douglas
Bacteria Prediction For Recreational Waters Through The Use Of Artificial Neural Networks, Christopher Douglas
Electronic Theses and Dissertations
Many scientists and government agencies rely on Fecal Indicator Bacteria (FIB) to determine the risk of exposure to pathogens in water. If there is a presence of these indicator bacteria, pathogenic microorganisms may also be present. These bacteria in recreational water bodies pose a health threat to people if ingested during activities such as swimming or from the consumption of marine life. The most commonly tested FIBs are total coliforms, Fecal coliforms, Escherichia coli, Fecal streptococci, and enterococci. The measurement of bacteria can be time consuming (up to 48 hours) and expensive, creating a difficulty in warning the public of …
Pathogen Indicator Monitoring In The Ross Barnett Reservoir, Hannie Quay Parker Capps
Pathogen Indicator Monitoring In The Ross Barnett Reservoir, Hannie Quay Parker Capps
Electronic Theses and Dissertations
Man-made reservoirs are often used for both water supply and recreation. The Ross Barnett Reservoir in central Mississippi, a 33,000-acre man-made lake, provides drinking water to the city of Jackson, MS, and forty-eight surrounding communities. Further, an estimated 2.5 million people visit the Reservoir each year for recreational purposes, including boating, fishing, water-skiing, and swimming. Protecting the water quality in the Reservoir is important for these visitors and inhabitants along the shoreline, and for these reasons, the U.S. Environmental Protection Agency has selected it as a Priority Watershed in Mississippi. Presently, there is a concern regarding recent data collected that …
Sustainability Of Water And Wastewater Infrastructure: Using A Public-Private Partnership Model For Project Financial Assessment, Rebecca Werner Trotter
Sustainability Of Water And Wastewater Infrastructure: Using A Public-Private Partnership Model For Project Financial Assessment, Rebecca Werner Trotter
Electronic Theses and Dissertations
To supplement current and future budget shortfalls for improvements to water and wastewater infrastructure, Public-Private Partnerships (PPPs or P3) are being advocated by the American Society of Civil Engineers (ASCE) and others as a practical mechanism to ensure financial sustainability. A PPP involves a partnership between a government entity and a concessionaire--consisting of one or more private companies acting as a single, private incorporation--who make an agreement on funding, building, and operating a usually government-provided service, such as drinking water and wastewater infrastructure. This is different from a traditional contract between a government entity and a contractor because the concessionaire …
A Gis-Based Watershed Impact Management Model, Chioma Nneamaka Udeze
A Gis-Based Watershed Impact Management Model, Chioma Nneamaka Udeze
Electronic Theses and Dissertations
Assessment of land use changes on hydrological processes is essential for the planning and development of sustainable land management practices and water resources. Understanding how land management practices influence hydrological components is essential for the prediction of hydrological consequences of changes in land use. Given the plethora of hydrological models, digital data sources, and the limited availability of observed data, it is difficult to quantify the impacts of land use changes on hydrology. In this study, a Watershed Impact Management (WIM) model framework was conceptualized. A case study of the Yocona River basin, Mississippi, was implemented with the soil and …
Bacterial And Sediment Transport In An Artificial Sand Bed Stream During Unsteady Flow, Mary Alexandra Mccaskill
Bacterial And Sediment Transport In An Artificial Sand Bed Stream During Unsteady Flow, Mary Alexandra Mccaskill
Electronic Theses and Dissertations
Storms cause a substantial increase in the fecal indicator bacteria (FIB) concentrations in stream water. Causes for this concentration increase include FIB-laden stormwater runoff and the release of bacteria from stream-bottom sediments. Studies were carried out to quantify this second cause of water quality impairment. Coliform bacteria are a group of FIB, indicate the presence of pathogenic microorganisms, and have been shown to be transported in streams far from their source areas, especially during storms. FIB transport is dependent on several factors including water velocity, size and transport rates of bed sediments, and the FIB concentration in bed sediment. The …
Synthesis And Evaluation Of Naturally Occuring Halogenated Bipyrroles In A Relevant Marine Species, Fundulus Heteroclitus, Kimberly Sheree Foster
Synthesis And Evaluation Of Naturally Occuring Halogenated Bipyrroles In A Relevant Marine Species, Fundulus Heteroclitus, Kimberly Sheree Foster
Electronic Theses and Dissertations
Halogenated dimethyl-2-2'-bipyrroles (HDBPs) have recently been discovered in seabird eggs and have been shown to bioaccumulate in trophic organisms. HDBPs are suspected to be biogenic in nature, derived from evidence of marine natural products that are persistent in the environment and widespread in the Pacific and Atlantic Ocean. The HDBPs exhibit chlorinated and brominated substitution patterns that closely resemble anthropogenic pollutants like the polychlorinated biphenyls (PCBs), polybrominated biphenyls (PBBs), and polybrominated diphenyl ethers (PBDEs). Environmental health concerns exists regarding these naturally occurring HDBPs because several of these analogs were shown to induce the cytochrome P4501A (CYP1A) gene through activation of …