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Articles 1771 - 1800 of 12265
Full-Text Articles in Entire DC Network
A Graphical User Interface Using Spatiotemporal Interpolation To Determine Fine Particulate Matter Values In The United States, Kelly M. Entrekin
A Graphical User Interface Using Spatiotemporal Interpolation To Determine Fine Particulate Matter Values In The United States, Kelly M. Entrekin
Honors College Theses
Fine particulate matter or PM2.5 can be described as a pollution particle that has a diameter of 2.5 micrometers or smaller. These pollution particle values are measured by monitoring sites installed across the United States throughout the year. While these values are helpful, a lot of areas are not accounted for as scientists are not able to measure all of the United States. Some of these unmeasured regions could be reaching high PM2.5 values over time without being aware of it. These high values can be dangerous by causing or worsening health conditions, such as cardiovascular and lung diseases. Within …
An Analysis Of Hurricane Laura's Storm Surge In Cameron Parish Using Synthetic Storm Tracks, Climatology, And Statistics, Cameron Goff
An Analysis Of Hurricane Laura's Storm Surge In Cameron Parish Using Synthetic Storm Tracks, Climatology, And Statistics, Cameron Goff
LSU Master's Theses
Cameron Parish is a large coastal parish in southwest Louisiana that has been impacted by several powerful tropical cyclones. In 2020, the strongest hurricane in recorded history to ever hit this region, Hurricane Laura, set a state record for the highest storm surge measurement at 6.34 meters. I examine the climatology of tropical cyclone landfalls in this parish, looking for trends in intensity and frequency with time. I then compare the extreme surge of Hurricane Laura with a dataset of 645 synthetic tropical cyclones generated and used by the Coastal Hazards System for Louisiana. Plots comparing various meteorological statistics to …
First Examination Of Palynolgy Across The K-Pg Boundary In The Jackson Purchase Region Of Kentucky, Maeve Mccarty, Jarred Asselta, Gary Stinchcomb, William Lukens, Ingrid Romero, Matthew Pound, Jen O’Keefe
First Examination Of Palynolgy Across The K-Pg Boundary In The Jackson Purchase Region Of Kentucky, Maeve Mccarty, Jarred Asselta, Gary Stinchcomb, William Lukens, Ingrid Romero, Matthew Pound, Jen O’Keefe
2023 Celebration of Student Scholarship - Poster Presentations
This study examines the Independence School section of the K-Pg Boundary, which is located in a creek cutbank exposure in Carlisle County, in the Jackson Purchase region of Kentucky. This section has not otherwise been examined since 1980 and has not previously been palynologically studied in detail. Specifically, we are examining the Owl Creek and upper McNairy Formations, deposited as Maastrictian-age sediments and the Clayton Formation, deposited as Danian- age sediments, in a mosaic of onshore, nearshore, and coastal environments (Tschudy, 1970; Olive, 1980). The site was relocated by G. Stinchcomb and students from Murray State University in 2020 and …
Effects Of Topography On Tornado Paths Using Navier Stokes Equations, Kayleigh Smith
Effects Of Topography On Tornado Paths Using Navier Stokes Equations, Kayleigh Smith
Mathematics Senior Capstone Papers
Tornadoes are relatively common in Louisiana with an average of 55 tornadoes per year. Predicting tornado paths has been extremely challenging due to the many factors that play into the formation of a tornado. According to NASA/ADS topography can have significant influence on tornado direction. The main goal of this research is to analyze tornado patterns and to determine if local topography has an effect on tornadic activity. Navier-Stokes partial differential equations will be used to model the data that is collected from the national weather service and a finite difference method will be used to solve the equations. Data …
2023- The Twenty-Seventh Annual Symposium Of Student Scholars
2023- The Twenty-Seventh Annual Symposium Of Student Scholars
Symposium of Student Scholars Program Books
The full program book from the Twenty-seventh Annual Symposium of Student Scholars, held on April 18-21, 2023. Includes abstracts from the presentations and posters.
Tourism, Mapping, Retail And Recreational Trails: A Case Study Of Connectivity Between Trails And Adjacent Downtowns In Anniston, Alabama, Usa, Jennifer Green
Tourism, Mapping, Retail And Recreational Trails: A Case Study Of Connectivity Between Trails And Adjacent Downtowns In Anniston, Alabama, Usa, Jennifer Green
Theses
This study examines the estimated increase in economic impact on a geography’s local economy by creating cross-marketing efforts between expanding an established outdoor recreation trail to a closely located city downtown commerce district. This research will analyze the resulting potential rise in sales/lodging tax revenues for that city by mapping the trail and downtown district, and cross-marketing the other to users of both or either venue. Potential increase in economic impact will be estimated utilizing IMPLAN methodology by assessing the economic impact on the local economy that a percentage range of increased spending resulting from this cross-marketing effort could generate.
Critical Workforce Skills For Bachelor-Level Geoscientists: An Analysis Of Geoscience Job Advertisements, G. W. Shafer, K. Viskupic, A. E. Egger
Critical Workforce Skills For Bachelor-Level Geoscientists: An Analysis Of Geoscience Job Advertisements, G. W. Shafer, K. Viskupic, A. E. Egger
Geosciences Faculty Publications and Presentations
Understanding the skills bachelor-level geoscientists need to enter the workforce is critical to their success. The goal of this study was to identify the workforce skills that are most requested from a broad range of geoscience employers. We collected 3668 job advertisements for bachelor-level geoscientists and used a case-insensitive, code-matching function in Matlab to determine the skills geoscience employers seek. Written communication (67%), field skills (63%), planning (53%), and driving (51%) were most frequently requested. Field skills and data collection were frequently found together in the ads. Written communication skills were common regardless of occupation. Quantitative skills were requested less …
Rocky Intertidal Community Structure Along An Upwelling Gradient Between Playa Venao And Nueva Gorgona On Panama’S Pacific Coast, Claire Brady
Independent Study Project (ISP) Collection
Ecological research on rocky intertidal ecosystems has increasingly focused on the regional oceanographic processes that shape community structure over functional group interactions. Intertidal communities’ dependence on onshore and offshore transport of intertidal species larvae, dissolved inorganic nutrients, and phytoplankton signal that upwelling and nearshore currents can have an influential role in determining the growth and composition of intertidal systems. The community structure of rocky intertidal areas was compared between two locations along an upwelling gradient in the Gulf of Panama: Nueva Gorgona, with intermittent seasonal upwelling, and Playa Venao, with fringe seasonal upwelling. The surface cover of algae, barnacles, and …
Community Participation And Perspectives Of Ambondrolava Mangrove Restoration Project, Nadine Shannon
Community Participation And Perspectives Of Ambondrolava Mangrove Restoration Project, Nadine Shannon
Independent Study Project (ISP) Collection
Madagascar’s mangrove forests are intertidal ecosystems that provide numerous valuable ecosystem services but are nonetheless under pressure from large amounts of deforestation. On the southwestern coast of Madagascar, the village of Ambondrolava practices community led management of the mangrove and its resources. This research project studied the evolution of the mangrove area using GIS data, and investigated, through interviews, the relationship between the local community of Ambondrolava and the organizations that manage the mangrove ecosystem. From 2000 to 2018, the zone of the mangrove has experienced a net loss in area every year, despite reforestation efforts. Most community members interviewed …
Ecological Living In Nepali Food Systems: A Synthesis Of Circular Nutrient And Knowledge Flows In The Kathmandu Valley, Kaitlyn Feely
Ecological Living In Nepali Food Systems: A Synthesis Of Circular Nutrient And Knowledge Flows In The Kathmandu Valley, Kaitlyn Feely
Independent Study Project (ISP) Collection
Researching food-systems in Nepal can feel like drinking from a fire hydrant. Sixty-six percent of the population is directly involved in agriculture and a diverse set of ecocultural understandings influence the practice across the country’s landscapes, ranging from the Himalayas to urban centers to southern plains. In the Kathmandu Valley and peripheral hills where I conducted my research, seemingly any spare land was under cultivation, enabled by fertile ground, optimal climate, and market potential. But despite the prevalence of farming in daily life throughout the country, Nepal’s food system is not domestically self-sufficient. A complex web of imports and exports …
New Insights Into The Age And Origin Of Two Small Cretaceous Seamount Chains Proximal To The Northwestern Hawaiian Ridge, Arturo Sotomayor, Andrea Balbas, Kevin Konrad, Anthony A. P. Koppers, Jasper G. Konter, V. Dorsey Wanless, Thomas F. Hourigan, Christopher Kelley, Nicole Raineault
New Insights Into The Age And Origin Of Two Small Cretaceous Seamount Chains Proximal To The Northwestern Hawaiian Ridge, Arturo Sotomayor, Andrea Balbas, Kevin Konrad, Anthony A. P. Koppers, Jasper G. Konter, V. Dorsey Wanless, Thomas F. Hourigan, Christopher Kelley, Nicole Raineault
Geosciences Faculty Publications and Presentations
The Northwestern Hawaiian Ridge is an age-progressive volcanic chain sourced from the Hawaiian mantle plume. Proximal to the Northwestern Hawaiian Ridge are several clusters of smaller seamounts and ridges with limited age constraints and unknown geodynamic origins. This study presents new bathymetric data and 40Ar/39Ar age determinations from lava flow samples recovered by remotely operated vehicle (ROV) from two east–west-trending chains of seamounts that lie north of the Pūhāhonu and Mokumanamana volcanoes. The previously unexplored Naifeh Chain (28°48′N,167°48′W) and Plumeria Chain (25°36′N, 164°35′W) contain five volcanic structures each, including three guyots in the Naifeh Chain. New 40 …
Water Current, Volume 55, No. 1, Spring 2023
Water Current, Volume 55, No. 1, Spring 2023
Water Current Newsletter
No abstract provided.
Droughtscape, Spring 2023, National Drought Mitigation Center
Droughtscape, Spring 2023, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Spring 2023
On Electric Vehicles And Environmental Policies For Innovation, A Book Review Of The Global Rise Of The Modern Plug-In Electric Vehicle: Public Policy, Innovation, And Strategy, By John Graham, Shi-Ling Hsu
Scholarly Publications
Electric vehicles have been in existence for over a century. Impetus and progress towards commercialization have been uneven. For the most part, government policy on electric vehicle development has consisted of government funding and other support for research and development. The long, meandering path that has now resulted in the emergence of Tesla as an industry leader has been documented carefully in John Graham's The Global Rise of the Modern Plug-in Electric Vehicle. Graham's account is remarkably broad and thorough, leaving few stones unturned, and comprehensively detailing the history of electric vehicle policy in a number of countries, and often …
The Importance Of Accessible Government Data In Advancing Environmental Justice, Frank D. Lomonte, Daniel Delgado
The Importance Of Accessible Government Data In Advancing Environmental Justice, Frank D. Lomonte, Daniel Delgado
William & Mary Environmental Law and Policy Review
Part I of this Article sets forth the history and animating principles of the environmental justice movement in the United States during the 1970s, which developed as an adjunct to the larger civil rights movement. Part II then turns to the role of documents and data in exposing where toxins present a risk to public health and where documentation habitually falls short. It discusses how freedom of information laws can unlock access to the documents and data that quantify environmental hazards but also how those laws fail to produce reliable results because of the influence of regulated industries. Part III …
Alfred Russel Wallace Notes 25. Wallace And The 'Physical Environment'., Charles H. Smith
Alfred Russel Wallace Notes 25. Wallace And The 'Physical Environment'., Charles H. Smith
Faculty/Staff Personal Papers
Alfred Russel Wallace’s natural selection essay of 1858 has been held to frame a greater role for the physical environment in forcing selection regimes than we find in Darwin’s writings, but here that verdict is challenged by a re-examination of both the essay itself, and period usage of the term ‘physical.’
The Role Of Citizen Science In Ecosystem Management: A Case Study Of The Middle Rio Grande Bosque Ecosystem Monitoring Program, Hannah Miller
The Role Of Citizen Science In Ecosystem Management: A Case Study Of The Middle Rio Grande Bosque Ecosystem Monitoring Program, Hannah Miller
Water Resources Professional Project Reports
Rapid advances in technology, especially smart phones, have changed citizen science around the world. Citizen science-generated data are growing exponentially, so there is increasing interest about what is happening with all this data. Some research suggests that governmental agencies are not using citizen science data to make ecosystem management decisions, although other studies contradict this finding. Regionally, the Middle Rio Grande bosque ecosystem extends for 162 miles along the Rio Grande in New Mexico. The Bosque Ecosystem Monitoring Program, or BEMP, was founded in 1996 following the efforts of the Bosque Initiative and the development of the Bosque Biological Management …
Women In Sustainable Leadership: A Case Study On The Perspectives, Opportunities, And Challenges Of Biologist And Conservationist Estrela Matilde, Ella Lyons
Independent Study Project (ISP) Collection
Despite the relatively small population of 8,000 occupants and the minimal international recognition of the Island of Príncipe, located off of the Gulf of Guinea on the Western Coast of Central Africa, the region has increasingly become a leading example of sustainable practices to be taken on a global scale in the near future to combat our current climate crisis. This case study explores the sustainable practices that Príncipe has learned to embrace under the leadership of Portuguese conservation biologist and project manager for the NGO Fundação Príncipe, Estrela Matilde. Estrela integrates social, cultural, and environmental conservation to align with …
Biodiversidad De Plantas En La Reserva Natural Urbana Punta Popper En Río Grande: Una Propuesta Para Senderos Para La Gestión De La Conservación Y Métodos De Campo Replicables En Un Etorno Educativo, Lili Weir
Independent Study Project (ISP) Collection
The Patagonian Steppe is an ecoregion that is rich in plant biodiversity (both native and introduced), and the Urban Nature Reserves like Punta Popper in Río Grande provide an opportunity to preserve these sensitive species and educate the public, especially students, about the value of this trophic level. However, many beautiful species are being affected by human activities in the Reserve: such as the mismanagement of the trail systems which has led to erosion of the sand dunes, and the pressures of rapid urban expansion contributing to trash pollution. It is essential that stakeholder communities have access to information and …
Considerations For Solar Development: Comprehensive Assessment Of Solar Production Benefits And Consequences In Portugal, Jonathan Ramos Marcuse
Considerations For Solar Development: Comprehensive Assessment Of Solar Production Benefits And Consequences In Portugal, Jonathan Ramos Marcuse
Independent Study Project (ISP) Collection
In this paper, the potential for solar energy development in Portugal is explored, with a focus on the Alentejo region of Portugal. The Fernando Pessoa Photovoltaic plant that is approved for construction in the Santiago do Cacém municipality is analyzed. The size of the plant and the location are considered when studying the environmental, social, and economic impacts of the project. The possibility of a centralized solar array in Sines is also explored as an alternative, taking into account the environmental and social impacts on local communities. Additionally, the feasibility and benefits of implementing a decentralized energy grid, utilizing scattered …
Consumo Verde ¿Para Quién?: Las Tierras, Cosmovisiones, Y Personas Escondidas Detrás De La Fiebre Del Oro Blanco / Green Consumption, For Who?: The Lands, World Views, And People Hidden Behind The White Gold Rush., Gabriel Gómez
Independent Study Project (ISP) Collection
La “Transición energética” a consumo verde ha sido reconocida globalmente como el camino necesario para evitar lo peor de la crisis climática, pero es una solución que depende en un aumento del litio. La manera más usada para extraer el litio genera impactos destructivos en los ambientes que contienen el recurso, y en Sudamérica, donde los habitantes son mayormente indígena. Usando las comunidades de Salinas Grandes y Laguna de Guayatayoc en Jujuy, Argentina como un caso práctico, este proyecto propone analizar cómo el discurso hegemónico del consumo verde invisibiliza a gente indígena, y cómo estas comunidades resisten entendimientos occidentales y …
Sustainable Development In Hazard Mitigation Planning, Brooke Morrell
Sustainable Development In Hazard Mitigation Planning, Brooke Morrell
Goal 11: Sustainable Cities and Communities
No abstract provided.
Para Cima Y Pa’ Abajo: Building Bridges Between Hci Research In Latin America And In The Global North, Pedro Reynolds-Cuéllar, Marisol Wong-Villacres, Karla A. Badillo-Urquiola, Mayra Donaji Barrera-Machuca, Franceli L. Cibrian, Marianela Ciolfi Felice, Carolina Fuentes, Laura Sanely Gaytán-Lugo, Vivian Genaro Motti, Monica Perusquía-Hernández, Oscar A. Lemus
Para Cima Y Pa’ Abajo: Building Bridges Between Hci Research In Latin America And In The Global North, Pedro Reynolds-Cuéllar, Marisol Wong-Villacres, Karla A. Badillo-Urquiola, Mayra Donaji Barrera-Machuca, Franceli L. Cibrian, Marianela Ciolfi Felice, Carolina Fuentes, Laura Sanely Gaytán-Lugo, Vivian Genaro Motti, Monica Perusquía-Hernández, Oscar A. Lemus
Engineering Faculty Articles and Research
The Human-computer Interaction (HCI) community has the opportunity to foster the integration of research practices across the Global South and North to begin overcoming colonial relationships. In this paper, we focus on the case of Latin America (LATAM), where initiatives to increase the representation of HCI practitioners lack a consolidated understanding of the practices they employ, the factors that influence them, and the challenges that practitioners face. To address this knowledge gap, we employ a mixed-methods approach, comprising a survey (66 respondents) and in-depth interviews (19 interviewees). Our analyses characterize a set of research perspectives on how HCI is practiced …
Tracking System Effectiveness For Texas Police Departments In Low-Income Communities, Jakob Scarcelli
Tracking System Effectiveness For Texas Police Departments In Low-Income Communities, Jakob Scarcelli
Honors Theses
No abstract provided.
Wernicke's Encephalopathy: Mapping The Risk Factors Throughout The State Of South Carolina, Shannon M. Rychener
Wernicke's Encephalopathy: Mapping The Risk Factors Throughout The State Of South Carolina, Shannon M. Rychener
Senior Theses
Wernicke’s Encephalopathy is a consistently underrecognized neurodegenerative brain disorder resulting from prolonged thiamine deficiency. Clinical presentation of the disease results from brain lesions attributable to thiamine deficiency. Because these lesions occur in various locations in the cerebral cortex, symptoms can vary significantly. Varied presentation of symptoms, in addition to the lack of a widely accepted biomarker for the disorder cause challenges to clinicians when identifying and diagnosing the disorder. Due to these challenges, healthcare providers must heavily rely on patient history and risk factor prevalence when multiple symptoms of the disorder are present. By mapping the prevalence of the four …
A Gravity Model Integrating Land-Use And Transportation Policies For Sustainable Development: Case Study Of Fresno, California, Chih-Hao Wang, Na Chen
A Gravity Model Integrating Land-Use And Transportation Policies For Sustainable Development: Case Study Of Fresno, California, Chih-Hao Wang, Na Chen
Mineta Transportation Institute
The idea of urban compaction has been long proposed and promoted to address the problem of urban sprawl in many American cities. However, there are still rare successful cases of such implementation in the United States. This study uses a classic gravity model, TELEM (Transpiration, Economic, and Land-Use Model) to examine to what extent a land-use or transportation policy must be regulated to make the urban compaction occur in a typical auto-dependent city—Fresno, California. Five scenarios are considered (BL, L1, L2, T1, and T2), in which the baseline (BL) is a natural growth scenario. Without any policy interventions, the city …
Rural Water Manager Challenges In New Mexico, Amy "Aj" Jones
Rural Water Manager Challenges In New Mexico, Amy "Aj" Jones
Water Resources Professional Project Reports
New Mexico poses a valuable set of circumstances to study the challenges faced by drinking water systems. A general lack of resources for small systems, be it personnel and funding issues, lack of community engagement, lack or loss of institutional knowledge, ability to meet regulations, and aging managers were found to be very common and widespread. Rural water manager positions that are unsupported financially do not assist in alleviating rural poverty or draw the workforce. Therefore, the negative state demographic statistics are reinforced, further complicating rural water management rather than helping the issues. To look at drinking water management comprehensively, …
Developing Young Science And Technology Parks: Recent Findings From Industrial Nations Using The Data-Driven Approach, Charles Mondal, Mousa Al-Kfairy, Robert B. Mellor
Developing Young Science And Technology Parks: Recent Findings From Industrial Nations Using The Data-Driven Approach, Charles Mondal, Mousa Al-Kfairy, Robert B. Mellor
All Works
Science and technology parks (STPs) are curated locations where new technology-based firms (NTBFs) and other SMEs and firms can conglomerate and promote a culture of innovation. Overall, the aim is to construct a sustainable high-value tech entrepreneurship ecosystem, and to this end we present here some recent and novel concepts derived from approaches using a data-driven statistical foundation. This paper considers studies on the organic growth of young start-up science and technology parks by authors who have used big data, econometric analyses, panel data and computer simulations. The results and concepts are derived from industrialized countries, notably Sweden and the …
Dust Production And Transport In A Long-Lived Fluvial-Eolian System In The Pampas Of South America, Blake Marcus Stubbins
Dust Production And Transport In A Long-Lived Fluvial-Eolian System In The Pampas Of South America, Blake Marcus Stubbins
Theses and Dissertations
Wind-blown dust from southern South America links the terrestrial, marine, atmospheric, and biologic components of Earth’s climate system. The Pampas of central Argentina (~33-40° S) contain an extensive upper Miocene to Holocene eolian record that spans the relatively warm conditions of the Late Miocene to cooler climates of the Plio-Pleistocene and Holocene. We collected 13 loess, paleosol, and fluvial samples from the upper Miocene Cerro Azul and Rio Negro Formations which resulted in n = 5129 new detrital zircon U-Pb ages. Late Miocene rivers conveyed sediment from northern Patagonia, the Andes adjacent to the Pampas, and the Sierras Pampeanas to …
Exploring The Current Training Of Undergraduate Geology Students And Teaching Spatial Skills To Improve Student Outcomes, Ann Marie Klyce
Exploring The Current Training Of Undergraduate Geology Students And Teaching Spatial Skills To Improve Student Outcomes, Ann Marie Klyce
Theses and Dissertations
Spatial skills, which represent the ability to mentally manipulate objects (Schneider & McGrew, 2012; Atit et al., 2020) have been shown to be correlated with entrance, persistence and success in STEM (Shea et al., 2001; Wai et al., 2009). Specifically, these skills have been shown to be necessary to geologists and geoscientists (Hegarty, 2014; Gagnier et al., 2016). While we recognize the importance of these skills, explicit training in them is rarely offered (NRC 2006). Consequently, cognitive scientists and discipline based education researchers have begun concerted efforts to offer training in spatial skills to improve student outcomes (e.g. Uttal et …