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Articles 1 - 13 of 13
Full-Text Articles in Physical Sciences and Mathematics
Conservation And Ecological Implications Of The Introgression Between Black Bass Subspecies, Rachel Tessier
Conservation And Ecological Implications Of The Introgression Between Black Bass Subspecies, Rachel Tessier
Honors Theses
No abstract provided.
Late Glacial-Holocene Climate Change Recorded In Proglacial Lake Sediment Cores From The Huaguruncho Massif, Central Peruvian Andes, Dane O'Neil
Honors Theses
Alpine glaciers respond rapidly to changes in climate and the growth and decay of alpine glaciers is recorded in sediment cores extracted from lakes immediately downvalley from the margins of former glaciers. These records provide continuous archives of glaciation and climate change that complement the inherently discontinuous records of glaciation preserved by moraines. The aim of this study is to generate a continuous record of glaciation in Jaico cirque from lake sediment cores, which is located on the southeastern side of the quartz-monzonite dominated Huaguruncho Massif (5789 masl) in the eastern Peruvian Andes. The lakes are Laguna Jaico (10.56° S, …
The Nature Conservancy And Aquatic Invasive Species, Rachel Ross
The Nature Conservancy And Aquatic Invasive Species, Rachel Ross
Honors Theses
No abstract provided.
Using Green Building To Mitigate Climate Change In The Twenty-First Century, Lisa Battiste
Using Green Building To Mitigate Climate Change In The Twenty-First Century, Lisa Battiste
Honors Theses
The need for green buildings are rapidly becoming more important as the nation faces impending energy crises and the world heats up from the overabundance of greenhouse gases. Buildings in America are one of the largest consumers of energy and one of the greatest contributors to CO2 emissions; more than the total emissions from all the transportation vehicles used every day. By making the construction and use of buildings more resource efficient, this can help alleviate the environmental strain of climate change. Neutralizing or eliminating carbon emissions from building use will significantly reduce the amount of greenhouse gases in the …
Application Of A High-Performance Optically Enhanced Solar Thermal Collector System, Timothy H. Cameron
Application Of A High-Performance Optically Enhanced Solar Thermal Collector System, Timothy H. Cameron
Honors Theses
In an effort to make Union College a more environmentally friendly campus, this research project focuses on the application of Union’s liquid-based solar thermal collector system. The motivation for this research project is due to the increasing demand for renewable energy sources in order to decrease our society’s dependence on fossil fuels. The system features nine, 16-tube, evacuated tube solar modules which absorb radiant solar energy from the sun. Through a two loop system, thermal energy is stored in water within two-80 gallon storage tanks. This research project involves the design, construction, and analysis of two applications in order to …
Cost Benefit Analysis Of The Keystone Xl Pipeline, Daniel Carr
Cost Benefit Analysis Of The Keystone Xl Pipeline, Daniel Carr
Honors Theses
The Keystone XL pipeline is one of the most controversial topics in North America over the last five years. The debate is based on the trade‐off between Canadian oil sands as a usable energy resource and the environmental effects associated with the extraction and refining of the oil. The green house gasses emitted from the extraction and refining of oil sands produces several environmental concerns that make the proposed pipeline controversial. On the other hand, Canadian oil companies see a significant benefit from the ability of Canadian oil reaching international markets. TransCanada, a 79.99 percent owner of the pipeline, conducted …
Proving Widespread Deforestation Of The Ancient Mediterranean As Myth: A Detailed Examination Of How Anthropogenic Activities During Antiquity Affected The Mediterranean Landscape, Carolyn Hooper
Honors Theses
This thesis examines the debate surrounding the possible deforestation of the ancient Mediterranean landscape through anthropogenic activities. Until the ancient Mediterranean landscape is understood more clearly, it is impossible to impose current beneficial land-use laws in order to conserve and preserve the future landscape of the region. Currently there are three predominant views surrounding the debate: (1) deforestation did occur and drastically altered the landscape from a forested region to a more desert-like region, (2) human activities did not cause deforestation, rather the Mediterranean has always been home to a distinct and resilient landscape that is able to regenerate following …
Looking For Small Changes In Heat Capacity Using A Differential Scanning Calorimeter, Will Linthicum
Looking For Small Changes In Heat Capacity Using A Differential Scanning Calorimeter, Will Linthicum
Honors Theses
One of the major difficulties in development of renewable energy is the lack of an adequate and economical means of energy storage. In the case of concentrated solar power a large mass of thermal fluid is required to store a reasonable amount of energy. This is primarily because the fluids tend to have a low specific heat capacity. Formulating composites of these fluids can enhance their specific heat capacity and avails opportunities to make concentrated solar power more attractive. In most cases, the specific heat capacity of composite materials is a weighted average of the individual component heat capacities. This, …
Mapping Of Pathogenic Vibrio Spp. Densities In The Gulf Of Mexico And Their Relationship To Fecal Indicators Used In Oyster Harvest Regulation, Morgan Taylor
Honors Theses
No abstract provided.
Association Of Drd4 Gene Polymorphisms With Range In Species Of The Genus Copsychus, Jocelyn B. Miller
Association Of Drd4 Gene Polymorphisms With Range In Species Of The Genus Copsychus, Jocelyn B. Miller
Honors Theses
No abstract provided.
The Effect Of Azo Textile Dyes On Gross Primary Production And Community Respiration In An Artificial Environment, Theresa L. Petzoldt
The Effect Of Azo Textile Dyes On Gross Primary Production And Community Respiration In An Artificial Environment, Theresa L. Petzoldt
Honors Theses
Azo dyes are the largest category of textile dyes in production today, with over 100,000 tons of dye produced yearly in the United States. Ten to fifty percent of this dye is not fixed to the fabric during the textile production process, and is therefore discarded as effluent. Because dye waste is difficult to process in wastewater treatment facilities, it is important to understand how this waste affects aquatic systems using a whole ecosystem approach. This study used an artificial stream to model the effects of four azo dyes on benthic biofilm production and respiration. Dyes were found to have …
The Impact Of Dams On Nitrogen Cycling In The Messalonskee Stream, Rebecca K. Forgrave
The Impact Of Dams On Nitrogen Cycling In The Messalonskee Stream, Rebecca K. Forgrave
Honors Theses
The Messalonskee Stream in central Maine has five hydroelectric dams on 16.6km. Each dam drastically changes the flow regime of the stream, dividing it into segments with different patterns of sediment settling and organic matter retention. I investigated how these disruptions impact nitrogen cycling, specifically nitrification rates above and below each dam. I expected higher nitrification rates above the dams, where levels of organic matter are higher, and lower rates below the dam where scouring removes organic matter and fine sediment from the streambed. I measured sediment nitrification rates with a nitrapyrin-inhibition assay and potential drivers of nitrification including sediment …
Purenovation, Inc, Alex Nelson
Purenovation, Inc, Alex Nelson
Honors Theses
Welcome to PUREnovation, where "converting today and conserving tomorrow" is our lifestyle. Our mission embodies the idea of providing customers the opportunity to maximize cost savings while simultaneously helping to reduce the carbon footprint in their hometown. With a management team that encompasses a wide variety of backgrounds, we possess the necessary skills and abilities to drive our mission and visions forward. Based on our values and convictions, we believe that it is of the utmost importance to serve the individuals who live in small towns and to preserve the nature of the earth that God has graciously provided for …