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Articles 61 - 90 of 92
Full-Text Articles in Geographic Information Sciences
Determining Atmospheric Boundary Layer Behavior Over Mountainous Terrain Using Aircraft Vertical Profiles From 2009-2018 Nasa Student Airborne Research Program Data, Dallas Mckinney
Mahurin Honors College Capstone Experience/Thesis Projects
The atmospheric boundary layer (ABL) height separates turbulently mixed air and pollutants emitted at the ground from the free troposphere above and is an important parameter in numerical weather prediction and air pollution dispersion models. Discerning the ABL height over mountainous terrain has historically been difficult because of, for example, complex interactions with upper level winds, venting of humidity and aerosols into the free troposphere, and large spatiotemporal variability. ABL over mountainous terrain (MT) can closely follow the terrain, be flat, or be shallower than surrounding valleys depending on the time of day, synoptic conditions, and effects of the surrounding …
Lewisburg Shade Tree Commission: Tree Inventory Repair, Community Awareness, And Policy Recommendations, Jiaxuan Zhao, Brian Gockley
Lewisburg Shade Tree Commission: Tree Inventory Repair, Community Awareness, And Policy Recommendations, Jiaxuan Zhao, Brian Gockley
Student Project Reports
No abstract provided.
An Ethnic Cultural Landscape: German Breweries And Social Institutions In Covington, Kentucky, 1860-1920, Andrew Jones
An Ethnic Cultural Landscape: German Breweries And Social Institutions In Covington, Kentucky, 1860-1920, Andrew Jones
Mahurin Honors College Capstone Experience/Thesis Projects
A useful marker for recognizing the impact that ethnic groups make to the social and cultural characteristics of a city are the institutions and material landscapes created by those groups. In northern Kentucky, during the 19th and early 20th centuries, German immigrants and their descendants in the city of Covington established institutions such as breweries, saloons, social associations, and churches that became the heart of ethnic neighborhoods and shaped the form of the landscape. This research examines institutional and cultural landscape markers of German cultural identity in the city of Covington, Kentucky, from 1860 to 1920. Demographic and spatial data …
Transitioning From Emergency Remote Learning To Deep Online Learning Experiences In Geography Education, Richard B. Schultz, Michael N. Demers
Transitioning From Emergency Remote Learning To Deep Online Learning Experiences In Geography Education, Richard B. Schultz, Michael N. Demers
Publications & Research
Recent events resulting from the Covid-19 pandemic precipitated a triage-like environment wherein experienced faculty were forced to convert courses rapidly to online venues. This unexpected circumstance forced educators to adopt different learning theories of which they were largely unaware. The results were predominantly unsatisfactory for both learner and educator. This paper provides perspectives to this unfortunate circumstance, describes positive and negative aspects of the experiences, presents best practices for deep online learning, and challenges geography educators to learn how instructional design for online courses can be leveraged. The goal is to provide a forum for online learning in geography education.
Examining Spatial Inequities In Green Space Distribution And Access Around The Historic City Of Savannah, Georgia., Chiamaka F. Chimah
Examining Spatial Inequities In Green Space Distribution And Access Around The Historic City Of Savannah, Georgia., Chiamaka F. Chimah
College of Graduate Studies: Theses & Dissertations
Green space supports recreational activities and environmental sustainability which has proven to aid physical and social well-being as well as environmental health. However, spatial inequities are observed in the distribution and accessibility of urban green space. This norm identified as an environmental justice issue has left racial minorities and people of low socioeconomic status at a disadvantage. This study adopted a geospatial approach to assess green space quantity, quality, and accessibility, and generate a green space index. This research assessed the relationship between racial structure, socioeconomic characteristics and green space inequities in all municipalities in Chatham County, Georgia with a …
Change Is The Only Constant: A Snowpack Retention Analysis And Climate Vulnerability Road Map For The Skalkaho Creek Sub-Basin, Zachary Freeman Goodwin
Change Is The Only Constant: A Snowpack Retention Analysis And Climate Vulnerability Road Map For The Skalkaho Creek Sub-Basin, Zachary Freeman Goodwin
Graduate Student Theses, Dissertations, & Professional Papers
Climate change is impacting the whole of North America, although the impacts differ depending on regional geography. In the Intermountain West, climate change is contributing to lower overall snowpack totals and diminished late season streamflows. These changes will likely contribute to vulnerabilities in how much water is available to irrigators, municipalities, and fisheries dependent upon a consistent yearly flow of meltwater. This paper explores how snowpack retention has changed via the NASA dataset Daymet, which provides gridded estimates of weather parameters including Snow Water Equivalent in the Bitterroot River Basin of western Montana. This analysis showed that snowpack retention from …
Remote Sensing Approaches To Predict Forest Characteristics In Northwest Montana, Ryan P. Rock
Remote Sensing Approaches To Predict Forest Characteristics In Northwest Montana, Ryan P. Rock
Graduate Student Theses, Dissertations, & Professional Papers
Remote sensing can be utilized by land management organizations to save money and time. Mapping vegetation using either aerial photographs or satellite imagery and the applications for forest management are of particular interest to the Montana Department of Natural Resources. In 2018, the organization began a pilot program to test the incorporation of raster analysis of remotely sensed data into their inventory program and had limited success. This analysis identified two areas of improvement: the selection method of inventory plots and the imagery used for classification and metrics. This study found that selecting inventory plots using a generalized random tessellation …
Cartographic Efficacy: Histories Of The Present, Participatory Futures, Amber J. Bosse
Cartographic Efficacy: Histories Of The Present, Participatory Futures, Amber J. Bosse
Theses and Dissertations--Geography
Throughout history, maps have held a particularly potent ability to inform and persuade their users. Recognizing the power maps and their modes of productions possess, participatory mapping has been celebrated for its capacity to empower systemically disenfranchised communities by way of establishing inclusive pathways for influencing collection and representation of spatial information. What has remained largely periphery to considerations of participatory mapping, however, has been discussions of map design. Decades of scholarship in both traditional and critical veins of cartography, however, argue that it’s the careful execution of design choices that grant the map its power. Without attention to design, …
Reserved For The Whole Earth: Forms Of Evidence, Ought Anxiety, And The Futures Of Geographic Inquiry, Eric M. Robsky Huntley
Reserved For The Whole Earth: Forms Of Evidence, Ought Anxiety, And The Futures Of Geographic Inquiry, Eric M. Robsky Huntley
Theses and Dissertations--Geography
This dissertation examines geographic forms of evidence in the practices of landscape architects and geographers. I analyze evidence not only as an epistemic phenomenon, but as an aesthetic one, as well. Convincing an audience that the world is (or should be) one way and not another requires that knowledges be stacked, extended, and stitched together in a manner admissable to an audience. In the first two chapters, I use the case of the landscape architect Ian McHarg to examine how his approach to integrating scientific knowledge---a aesthetic response to what I theorize as 'ought anxiety'---grew alongside the environmental bureaucracy in …
Assessing The Climate Water Balance Model’S Ability To Predict Soil Moisture Variability And Species Distribution Of A Forested Watershed In The Northern Cumberland Plateau, Katherine J. Love
Theses and Dissertations--Forestry and Natural Resources
Spatial patterns of moisture and tree species have been studied using environmental gradients, often represented by terrain attributes in GIS. With climate change, GIS terrain variables, which are static as long as the elevation remains unchanged, will not reflect alterations in temperature, water cycle, and atmospheric conditions. In this thesis, the commonly used terrain variables and climate water balance variables were evaluated and compared for their ability to explain soil moisture and tree species distributions in a forested watershed in the Northern Cumberland Plateau. The results suggest that GIS terrain variables generally perform better than climate water balance variables, however, …
A Karst Feature Predictability Model Within Barber County, Kansas, Gary M. Kelner
A Karst Feature Predictability Model Within Barber County, Kansas, Gary M. Kelner
Master's Theses or Doctor of Nursing Practice
This research consisted of two topics: 1) geographic predictive models of karst features and 2), a petrographic study examining the lithology of the study area. The study area is a privately owned ranch in the Gypsum Hills of Barber County, Kansas and is known to have karst features. Two predictive models for karst features were utilized. Previously identified features, Light Detection and Ranging (LiDAR), and Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) imagery aided in the creation of these predictive models. These predictability models also used the ESRI ArcMap software platform. The data for these models consists of slope, …
Social Agglomeration Forces And The City, Peter A. Luff
Social Agglomeration Forces And The City, Peter A. Luff
Library Map Prize
The presence of “agglomeration forces” in production markets is widely accepted and has been recently quantified in the economics literature. Social scientists have done little theoretical work, however, and even less quantitative work, on how the logic of agglomeration might also apply to social groups and the gains that people derive from their social interactions. This paper attempts to bridge this gap by modeling and measuring the benefits in terms of social prestige that arose from the spatial concentration of socialites in Manhattan in the 1920s. I formulate a model of location-based social status determination that illustrates why these benefits …
Using Unmanned Aircraft Systems To Identify Invasive Species, Tithe Ahmed
Using Unmanned Aircraft Systems To Identify Invasive Species, Tithe Ahmed
Mahurin Honors College Capstone Experience/Thesis Projects
Invasive species serve as a threat to native biodiversity and ecosystem sustainability. Combatting the spread of invasive species requires long-term physical and monetary commitments. In Balule Nature Reserve of Greater Kruger National Park, South Africa, Opuntia ficus-inidica (the common prickly pear) has been a relentless invader, displacing the local flora and fauna. The goal of this project is to battle invasive species such as prickly pear using efficient and inexpensive technology: unmanned aerial vehicles (UAVs or drones) and multispectral sensors.
Using a 4-bandwidth Parrot Sequoia multispectral sensor in tandem with the DJI Phantom Pro 3TM UAV, images of land …
Investigating The Spatial And Statistical Dimensions Of Mortuary Choice In The Historical-Period Old City Cemetery In Roslyn, Washington, Sarah Rain Hibdon
Investigating The Spatial And Statistical Dimensions Of Mortuary Choice In The Historical-Period Old City Cemetery In Roslyn, Washington, Sarah Rain Hibdon
All Master's Theses
The historical-period Old City Cemetery in Roslyn, Washington contains individuals from diverse social backgrounds and exhibits considerable variation in mortuary expression. As such, the Old City Cemetery offers a unique opportunity to explore potential differences in social group mortuary practices spatially and statistically. Using burials in Roslyn’s Old City Cemetery, this project developed a methods framework to assess mortuary practice through demographics, burial location, and monument/plot attributes. I tested correlations between demographics and mortuary expression using spatial-statistical cluster analysis (Ripley’s K-Function), spatial density analysis (Kernel Density Estimation), and non-spatial statistical significance assessments (Factor analysis and Pearson’s R), and identified …
Comparing Rusle Ls Calculation Methods Across Varying Dem Resolutions, Amanda Moody
Comparing Rusle Ls Calculation Methods Across Varying Dem Resolutions, Amanda Moody
All Master's Theses
Soil erosion is a global problem that reduces land productivity and causes environmental degradation. Soil erosion models, such as the Revised Universal Soil Loss Equation (RUSLE), are used to estimate the severity and distribution of erosion. The topographic factor (LS), which combines slope length and angle, is an important part of RUSLE. This work compared two methods of L calculation, the grid cumulation (GC) and the contributing area (CA) methods, and two methods of S calculation, the neighborhood (NBR) and maximum downhill slope (MDS) methods. These were compared across digital elevation models (DEMs) of 1, 5, 10, and 30m resolutions. …
The Role Of Geospatial Information And Effective Partnerships In The Implementation Of The International Agenda For Sustainable Development, Etta Delores Jackson
The Role Of Geospatial Information And Effective Partnerships In The Implementation Of The International Agenda For Sustainable Development, Etta Delores Jackson
Antioch University Dissertations & Theses
The former United Nations Secretary-General Ban Ki-Moon (2014), repeated the core promise in the 1986 UN Declaration on the Right to Development, in which the General Assembly called for an approach guaranteeing meaningful participation of everyone in development and the fair distribution of the benefits of that development. To this end, partnerships are central and can lead to the dignity of the citizens involved as they participate in the development of their own communities. This dissertation research conducted in Manyatta A and B in the Port City of Kisumu, Kenya sought to do just that. The purpose of this study …
Prioritizing Parcels For Conservation Easements Using Least-Cost Path Analyses Of Land Ownership: Case Study Within Theorized Grizzly Bear Migration Corridors Of Western Montana, Joseph H. Offer
Graduate Student Theses, Dissertations, & Professional Papers
As the world’s human population has grown and converted large natural habitats to human dominated landscapes, the planet’s biodiversity has decreased. To combat the loss of biodiversity from human development, many conservation professionals champion the concept of conservation corridors between intact habitats. Conservation corridors, made up of protected land, serve as a connection for wildlife populations to intermix genetics and, subsequently, help reduce the risk of extinction. The ideal geographic location of corridors is generally determined through geographic information system modeling using biophysical conditions and theorized animal movement. However, the resulting corridors are often expansive and protecting entire corridors is …
State Park Selection As Determined By User Health, Connor Phelan
State Park Selection As Determined By User Health, Connor Phelan
Master's Theses or Doctor of Nursing Practice
The purpose of this study was to determine whether state park difficulty affected location of travel. This study was conducted at three state park locations within the United States. Surveys and on-site examinations were made at the following locations; Wilson State Park, Kansas, Petit Jean State Park, Arkansas, and Kiholo State Park, Hawaii. Park locations were chosen by varying levels of terrain difficulty, as well as a rating from the Recreation Opportunity Spectrum. Participants were asked to report data via iPads on exercise habits, mobility limiting impairments, and frequency of exercise so a ranking of the healthiest participants could be …
Use Of Gis Spatial Analysis, Remote Sensing, And Unmanned Aerial Systems In Determining The Susceptibility To Wildfires In Barber County, Kansas, Kara Sill
Master's Theses or Doctor of Nursing Practice
Wildfires are becoming more frequent each year not only in the United States, but throughout the world. Barber County, Kansas experienced a devastating wildfire in March 2016, and continues to be at risk of wildfires during the fire season months. This study involved creating a functional GIS Database with layers corresponding to communication, transportation, and infrastructure throughout the county. This will allow responders and officials to have one unified reference space, which will facilitate communication and navigation. Within the ArcGIS environment, route maps can be created to show potential routes and quickest drive time to the scene of the emergency. …
Water For Fish And Farms: An Examination Of Instream Flow Programs In Montana Using Spatially-Explicit Water Rights Data, Anna Leigh Crockett
Water For Fish And Farms: An Examination Of Instream Flow Programs In Montana Using Spatially-Explicit Water Rights Data, Anna Leigh Crockett
Graduate Student Theses, Dissertations, & Professional Papers
The state-level institutions governing water use in the western United States have increasingly come under pressure and scrutiny related to their inability to navigate water use conflicts in recent decades. Rapid population growth and shifting public values towards leaving water instream for recreational and environmental purposes pose challenges to Montana water supplies which are predominantly allocated for irrigated agriculture. Additionally, while water scarcity and unpredictable availability are not new dilemmas in Montana, the rate at which climate change is driving shifts in the distribution, timing, and availability of water supplies is unprecedented. Current water policies may not be nimble enough …
Tropical Cyclone Vulnerability Of Atlantic Coastal Counties In The United States, Zachary Alexander
Tropical Cyclone Vulnerability Of Atlantic Coastal Counties In The United States, Zachary Alexander
Williams Honors College, Honors Research Projects
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Abstract
Coastal populations along the Atlantic Coast of the United States face a persistent threat of tropical cyclones. Tropical cyclones of any strength can cause significant damages and losses to both life and property. As coastal populations continue to rise in a changing climate, the power of knowing which communities are the most and least vulnerable to future tropical cyclone events can assist in mitigating some of the losses. This paper explores the factors that make a coastal community more or less vulnerable to tropical cyclones based on prior natural hazards research and creates a relative index that will tell …
Deep Learning For Overhead Imagery: Algorithms And Applications, Anthony Manuel Ortiz Cepeda
Deep Learning For Overhead Imagery: Algorithms And Applications, Anthony Manuel Ortiz Cepeda
Open Access Theses & Dissertations
Remote sensing using overhead imagery has critical impact to the way we understand our environment and offers crucial information for scene understanding, climate change research, disaster response, urban planning, forest management, and many other applications. At present, deep learning is increasingly used in remote sensing, but mostly borrowing algorithms developed for natural images in the computer vision community. Specific challenges arise while applying deep learning to remote sensing. These challenges include issues related to the high dimensionality and limited labeled data, security and robustness to adversarial attacks, and model generalization. In this Thesis we focus on tackling these key challenges. …
Geospatial Analysis Of Flooding In The Cypress Creek Watershed Due To Urban Sprawl, Michael Roland Boucher
Geospatial Analysis Of Flooding In The Cypress Creek Watershed Due To Urban Sprawl, Michael Roland Boucher
Walden Dissertations and Doctoral Studies
Harris County, Texas, experiences flooding almost every year, and the situation is getting worse. Uncontrolled development is leading to an increase in flooding events. This study investigated how rapid urbanization and sprawl led to a higher frequency and intensity of flooding in the Cypress Creek watershed in northern Harris County. According to urban ecology, the basis of the theoretical framework, the human actions on the environment are not just bystanders, but direct contributors as inputs. In this case, the outputs are the intensity of the flooding events caused by Hurricane Ike, the Memorial Day flood of 2016, and Hurricane Harvey. …
Using Unmanned Aerial Systems (Drones) With A Thermal Sensor To Map And Count Deer Population, Maxwell C. Ott
Using Unmanned Aerial Systems (Drones) With A Thermal Sensor To Map And Count Deer Population, Maxwell C. Ott
Williams Honors College, Honors Research Projects
The number of deer in an area is an important statistic for land managers to know, as overabundance has many negative effects. There are many methods that have been used to count deer in the past, such as using manned helicopters and airplanes, walking on foot, and conducting controlled hunts. UAS (unmanned aerial systems) is a growing field that provides many benefits over traditional methods of counting deer, such as lower cost and missions being less time consuming. Using a thermal sensor attached to a UAS makes it simple to spot any deer during a flight. Two main methods of …
Biophysical And Socioeconomic Impacts Of Farmer Managed Natural Regeneration In Burkina Faso, Basnewende Brice Fulgence Zoungrana
Biophysical And Socioeconomic Impacts Of Farmer Managed Natural Regeneration In Burkina Faso, Basnewende Brice Fulgence Zoungrana
Electronic Theses and Dissertations
Human actions such as overgrazing, the development of cities at the expense of forests, high intensity and poor agricultural management, and so forth, reduce the resources available for future generations. Because Earth has limited resources, it is important to judiciously use and manage natural resources. Human actions towards nature are the focus of my research in Africa. Increased demands for grazing, agriculture, and ecosystem services led some farmers in developing countries to use unsustainable practices, which may lead to low incomes and poor food nutrition for households. Farmer managed natural regeneration (FMNR) may be a solution to these issues. FMNR …
Innovative Approaches To 3d Gis Modeling For Volumetric And Geoprocessing Applications In Subsurface Infrastructures In A Virtual Immersive Environment, Pragya Srivastava
Innovative Approaches To 3d Gis Modeling For Volumetric And Geoprocessing Applications In Subsurface Infrastructures In A Virtual Immersive Environment, Pragya Srivastava
Graduate Theses, Dissertations, and Problem Reports (ETD)
As subsurface features remain largely ‘out of sight, out of mind’, this has led to challenges when dealing with underground space and infrastructures and especially so for those working in GIS. Since subsurface infrastructure plays a major role in supporting the needs of modern society, groups such as city planners and utility companies and decision makers are looking for an ‘holistic’ approach where the sustainable use of underground space is as important as above ground space. For such planning and management, it is crucial to examine subsurface data in a form that is amenable to 3D mapping and that can …
Comparing Fence Modeling And Mapping Approaches To Support Wildlife Management And Research In Southwest Montana, Simon Albert Buzzard
Comparing Fence Modeling And Mapping Approaches To Support Wildlife Management And Research In Southwest Montana, Simon Albert Buzzard
Graduate Student Theses, Dissertations, & Professional Papers
Fences pose significant challenges to wildlife movement, but their effects are difficult to quantify because fence location and fence type data are lacking on a global scale. We developed a fence location and density model in southwest Montana, USA to provide data to researchers and managers, and test whether previous models could be applied to a new region and retain suitable levels of statistical accuracy. Our model used local expert opinion to inform how road, land cover, and ownership spatial layers interacted to predict fence locations. We validated the model against fence data collected on random 3.2 km road transects …
The Influence Of Landforms And Sampling Approaches On Riparian Buffer Area And Complexity, Houjun Ding
The Influence Of Landforms And Sampling Approaches On Riparian Buffer Area And Complexity, Houjun Ding
Dissertations, Master's Theses and Master's Reports
A riparian area is a zone of interaction between aquatic and terrestrial ecosystems. Delineating accurate riparian management zones (RMZs), often utilized in Best Management Practices (BMPs) for wetlands and stream protection, is important. The Riparian Buffer Delineation Model (RBDM) has been used extensively for accurate RMZs delineation. Utilizing the validated RBDM generates additional questions about riparian area form and function, which will ideally lead to an improved understanding of the ecological process within these zones. This study aims to determine how geomorphic landforms and their associated landscape characteristics influence riparian areas in terms of shape and complexity, whether sampling methods …
'Amageddon': The Unholy Trinity Of Class Monopoly Rent In The Emerald City, Elijah Connor Hansen
'Amageddon': The Unholy Trinity Of Class Monopoly Rent In The Emerald City, Elijah Connor Hansen
EWU Masters Thesis Collection
Intense redevelopment has steamrolled across Seattle’s South Lake Union and Belltown neighborhoods, home to the headquarters of the world’s largest ecommerce corporation, Amazon. After the corporation established a presence in what is now referred to as ‘Amazonia’ in 2007, the surrounding urban landscape underwent a colossal metamorphic overhaul as high-tech and biotech industries, along with bourgeois luxury high rises, replaced old warehouses and empty parking lots. These new industries have attracted tens of thousands of people to the city, resulting in an oversaturated housing supply and an ensuing housing affordability crisis as rents have continued to skyrocket year after year. …
Addressing The Skills Gap Of Geospatial Professionals In The Fourth Industrial Revolution, Shannon Marie Doyle
Addressing The Skills Gap Of Geospatial Professionals In The Fourth Industrial Revolution, Shannon Marie Doyle
Walden Dissertations and Doctoral Studies
Leaders of geospatial organizations are ill-prepared to manage rapid technological change critical to environmental and economic development due to an outdated list of technical competencies. However, there is a lack of consensus in the geospatial industry concerning the desired technical competencies of organizations and a gap in the literature regarding future trends when defining additional geospatial technical competencies. Therefore, the purpose of this qualitative modified Delphi study was to determine how a nationwide panel of experts in the geospatial industry viewed the desirability and practicability of forward-looking technical competencies of geospatial professionals. The research questions for this study were grounded …