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Articles 2461 - 2490 of 12400
Full-Text Articles in Entire DC Network
Urban Streetscape Changes In Portland, Oregon: A Longitudinal Virtual Audit, Tomoya Hanibuchi, David Banis, Hunter Shobe, Tomoki Nakaya, Shohei Nagata
Urban Streetscape Changes In Portland, Oregon: A Longitudinal Virtual Audit, Tomoya Hanibuchi, David Banis, Hunter Shobe, Tomoki Nakaya, Shohei Nagata
Geography Faculty Publications and Presentations
Streetscape imagery has considerable potential for observing urban change. The literature lacks sufficient longitudinal studies, however, on urban change considering human perception and activities. We conducted a longitudinal virtual audit to observe the change in urban liveliness, human activities, and built environment by examining streetscape imagery taken in the late 2000s and the late 2010s in Portland, Oregon. Eleven untrained crowd workers were recruited to provide liveliness ratings of 24,242 streetscape images for both periods. Tabulation, mapping, and multilevel regression analyses were conducted to observe the distribution, changes in liveliness, and the factors affecting these changes. The results confirmed that …
De Aquí, Y De Allá: Education, Culture, And Identity Development Of Transnational Latinas, Elizabeth Harris-Medina
De Aquí, Y De Allá: Education, Culture, And Identity Development Of Transnational Latinas, Elizabeth Harris-Medina
Theses and Dissertations--Educational Policy Studies and Evaluation
De Aquí, y De Allá: Education, Culture, and Identity Development of Transnational Latinas This ethnographic case study examines the experiences of three transnational Latina women, descendants of families from Degollado, Jalisco, Mexico, exploring how their migration history and educational backgrounds influence their life trajectories. Focusing on these three women, the study aims to better understand their challenges and inform the development of resources to support their success in the U.S. education system. Using ethnographic interviews and Ecological Systems Theory, the research highlights how places and social systems shape views and life paths, offering insights into how best to support these …
Glacial Deposits, Vol. 48, 2024, Department Of Geography, Geology, And The Environment
Glacial Deposits, Vol. 48, 2024, Department Of Geography, Geology, And The Environment
Glacial Deposits
Newsletter of the Department of Geography, Geology, and the Environment
Widespread Expansion Of Salt Marsh Pools Observed On Maine Marshes Since 2009 (Data Files), Katelyn Dewater, William Kochtitzky, Ruth Ellis, Paige-Marie Merrill
Widespread Expansion Of Salt Marsh Pools Observed On Maine Marshes Since 2009 (Data Files), Katelyn Dewater, William Kochtitzky, Ruth Ellis, Paige-Marie Merrill
Geographic Information Systems Data Projects
Salt marshes contain standing water, which we refer to here as pools. We manually digitized salt marsh pools on 12 salt marshes in Maine (given as Name and corresponding ID number (see ID in Attributes)) in 2009 and 2021: Scarborough (1), Webhannet (2), Spurwink (3), Marshall Point (4), York River (5), Ogunquit (6), Brave Boat Harbor (7), Cousins River (8), Biddeford Pool (9), Little River (10), Goosefare Brook (11), Gooch’s Beach (12). Marsh extents were delineated with the Maine Natural Areas Program Current Tidal Marshes layer. All pools were digitized at a scale of 1:400 to 1:1000. Features were digitized …
Aboveground Biomass Density Estimation Using Deep Learning: Insight From Neon Ground-Truth Data And Simulated Gedi Waveform, Ashish Mahaur
Aboveground Biomass Density Estimation Using Deep Learning: Insight From Neon Ground-Truth Data And Simulated Gedi Waveform, Ashish Mahaur
Dissertations, Master's Theses and Master's Reports
Accurately estimating Aboveground Biomass Density (AGBD) is crucial for managing Earth's carbon cycle and informing climate strategies. NASA's GEDI mission advances global forest mapping, but traditional linear models often yield less reliable AGBD estimates. This study enhances AGBD estimation using deep learning models with NEON ground-truth data and simulated GEDI waveforms. We compared 1D CNNs, LSTMs, and pre-trained CNNs to traditional models. The ResNet152 model outperformed linear regression, achieving an R² of 0.68, demonstrating a 17% improvement. Our experiments also demonstrate the importance of large, diverse datasets, particularly for training deep learning models.
Geopolitics And Geospatial Strategies: The Rise Of Regulatory Supply Chain Controls For Semiconductor Gpn In Japan, South Korea And Taiwan, Yuko Aoyama, Eunyeong Song, Shan-Yu Wang
Geopolitics And Geospatial Strategies: The Rise Of Regulatory Supply Chain Controls For Semiconductor Gpn In Japan, South Korea And Taiwan, Yuko Aoyama, Eunyeong Song, Shan-Yu Wang
Geography
In this article, we present an analysis of how East Asian states (specifically, Japan, South Korea and Taiwan) are adapting to the emerging geopolitical contexts of the 'great powers competition' between the United States and China. To the extent that the previous literature on GPN/GVC governance included the state as one of the extra-firm actors, geopolitics has not been explicitly dealt with in its role in shaping GPN/GVC governance. We build on the existing research on GPN/GVC governance and propose a shift in perspective, from one of cost-driven to diplomacy-driven governance. Taking the case of the semiconductor industry, we conduct …
Mapping Accessibility To Emergency Care Using Public Transportation, Bach Tran
Mapping Accessibility To Emergency Care Using Public Transportation, Bach Tran
Honors Undergraduate Theses
Intro: Public transit offers various advantages for both communities and individuals in terms of mobility and has the potential to serve as a practical alternative to private motorized transportation. Timely and convenient public transit becomes a lifeline for people who cannot access other types of transportation, especially when it comes to emergency care. Method: We built a private network analysis within ArcGIS Pro using coordinate data from hospitals and stand-alone emergency rooms as designated by the North American Industrial Classification System (NAICS) and public transit data from Orlando, FL. Establishing the accessible time as 30 minutes, we computed and visualized …
Medium Range Prediction Of U.S. Severe Convective Storms, Robert Fritzen
Medium Range Prediction Of U.S. Severe Convective Storms, Robert Fritzen
Graduate Research Theses & Dissertations
Severe convective storms (SCSs) are responsible for billions of dollars of losses in the United States each year through hazards such as large hail, damaging convective wind gusts, and tornadoes. While techniques for forecasting these SCSs have improved over the years, a majority of these improvements focus on short term forecasting and nowcasting techniques. Little work has been done to analyze the recent advances in numerical weather prediction techniques, and to leverage these advances to the prediction of SCSs at the medium range (defined herein as lead-day 4--8). The primary objectives of this dissertation research are to: 1) explore the …
Riverview Community Park Commoning Plan, Haley B. Keene
Riverview Community Park Commoning Plan, Haley B. Keene
Master of Urban and Regional Planning Capstone Projects
Riverview Community Park began as an illegal DIY skatepark in the Maymont neighborhood of Richmond, Virginia. Now, although it is a city park, it is still entirely managed by volunteer community groups (skateboarders, the neighborhood Civic League, and a community garden) who view the park as a creative, experimental community-led spatial project. Due to a dearth of communication between the three groups, the park has suffered political strife between the groups and a chaotic physical atmosphere. This plan utilizes a commons governance framework and participatory, asset-based community design to usher in a new era of enhanced collaboration, common narratives, and …
Utilizing Arcgis Storymap To Raise Awareness: Double Dispossession Of The Gullah Geechee On Sapelo Island, Noah A. Moulton
Utilizing Arcgis Storymap To Raise Awareness: Double Dispossession Of The Gullah Geechee On Sapelo Island, Noah A. Moulton
Graduate Theses, Dissertations, and Problem Reports (ETD)
The Gullah Geechee people, descendants of enslaved Africans brought to the Sea Islands of the Atlantic Coast, represent a resilient community whose heritage and practices have endured despite centuries of systemic oppression. This research examines the intersection of history, land dispossession, and environmental threats to the Gullah Geechee community, particularly on Sapelo Island. By exploring the enduring agricultural knowledge, language, and practices, this work underscores the significance of the Gullah Geechee's connection to their ancestral lands, which have been essential for the preservation of their identity. The dual forces of gentrification and climate change present pressing challenges, manifesting as both …
Spatial Analysis Of Socioeconomic Factors At Found Locations Of Orphaned Mammals In Champaign County, Illinois, Usa, Colleen Elzinga, Stephanie Heniff, William Sander, William Marshall Brown, Csaba Varga, Samantha Sander
Spatial Analysis Of Socioeconomic Factors At Found Locations Of Orphaned Mammals In Champaign County, Illinois, Usa, Colleen Elzinga, Stephanie Heniff, William Sander, William Marshall Brown, Csaba Varga, Samantha Sander
Human–Wildlife Interactions
Young mammals make up a significant portion of animals brought into wildlife rehabilitation centers. Unfortunately, some of these presumed orphaned individuals are inappropriately removed from their native habitat. As such, there is a need for educational community outreach centered on the proper identification of orphaned wildlife that benefit from human intervention, while maximizing limited resources of rehabilitation facilities. This study evaluated found locations of common mammalian orphans presenting from Champaign County to the University of Illinois Wildlife Medical Clinic, Illinois, USA, between 2015 and 2020. The found locations of the orphans (99 Virginia opossums [Didelphis virginiana], 80 common …
Green Spaces And Socioeconomic Disparities In São Paulo City, Brazil: A Spatial Analysis Approach, Flavia Vieira Xavier
Green Spaces And Socioeconomic Disparities In São Paulo City, Brazil: A Spatial Analysis Approach, Flavia Vieira Xavier
Graduate Research Theses & Dissertations
Urban green spaces are an invaluable asset for the benefits they provide to human well-being and environmental sustainability. São Paulo, one of the largest cities in the world, well-known for its demographic complexity, prosperous economy, and cultural diversity, presents great disparities in the distribution and quality of green spaces. Besides that, different socioeconomic groups have different access to these spaces. The significant challenge to achieving equitable urban development invites us to investigate these spaces further, associated with socioeconomic parameters, to understand which groups benefit most from urban green spaces and to advance in the environmental justice discussion. This dissertation contains …
Housing Markets, Residential Preferences And Segregation: Unraveling Spatial Dynamics In Quito, Ecuador, Felipe Miguel Valdez Gomez De La Torre
Housing Markets, Residential Preferences And Segregation: Unraveling Spatial Dynamics In Quito, Ecuador, Felipe Miguel Valdez Gomez De La Torre
Graduate Research Theses & Dissertations
Housing issues in cities paradoxically manifest as growing inaccessibility and an oversupply with high prices. Urban public policies have been insufficient to reverse this pattern because they fail to address its root cause: the socio-spatial process resulting in uneven development. This dissertation starts with the premise that housing problems are not isolated but intricately linked to social dynamics and spatial configurations.Latin American cities represent a particular case study due to their high degree of urbanization combined with high inequality, leading to unique and highly segregated urban forms such as self-built settlements and gated communities in close proximity. We take the …
Terror And Time: Analyzing Homegrown Terrorism In The United States, Kyser Daniels-Baessler
Terror And Time: Analyzing Homegrown Terrorism In The United States, Kyser Daniels-Baessler
Theses and Dissertations
The events of September 11th, 2001, prompted a global reckoning with the threat of international terrorism, leading to intensified awareness and policy responses worldwide. However, amidst this heightened global focus, the United States has faced a concerning rise in politically motivated violence on its soil. Against this backdrop, this thesis delves into the phenomenon of homegrown terrorism within the United States from 2000 to 2020. By employing advanced geospatial techniques, this study seeks to pinpoint areas nationwide with elevated rates of homegrown terrorist incidents. Moreover, it endeavors to uncover potential temporal correlations between these acts of violence and significant events, …
2024 Bber Economic Seminar - Montana Tourism Outlook Presentation, Melissa Weddell
2024 Bber Economic Seminar - Montana Tourism Outlook Presentation, Melissa Weddell
Institute for Tourism and Recreation Research Publications
No abstract provided.
'We' Instead Of 'Me': How Buen Vivir Indigenous Cosmopraxes Allow Us To Conceive Security Differently And Face Insecurities Together, Juliano Cortinhas, Yara Martinelli, Ricardo Barbosa
'We' Instead Of 'Me': How Buen Vivir Indigenous Cosmopraxes Allow Us To Conceive Security Differently And Face Insecurities Together, Juliano Cortinhas, Yara Martinelli, Ricardo Barbosa
Student Publications [Scholarly]
Although Critical Security Studies (CSS) has done much to advance security debates, some shortcomings remain. Its excessive focus on the individual - which we term 'me' - reduces CSS' capacity to propose solutions to current global security problems such as pandemics and climate change. This paper contributes to the emerging scholarship on the potential of relational ontologies in Security Studies by introducing Buen Vivir Indigenous cosmopraxes into the debate. Indigenous cosmopraxes such as Sumak Kawsay, Suma Qamaña, and Teko Kavi, we argue, can inform CSS by providing alternative considerations to the pluriverse of ideas that address security crises. These cosmopraxes, …
Grappling With Real Property Supremacy In Us Urban Climate Finance, Julia Wagner, Mark Kear, Sarah Knuth, Sahar Zavareh Hofmann, Zac E. Taylor
Grappling With Real Property Supremacy In Us Urban Climate Finance, Julia Wagner, Mark Kear, Sarah Knuth, Sahar Zavareh Hofmann, Zac E. Taylor
Student Publications [Scholarly]
In US cities, drives to secure property value against climate risks have become a preoccupation for mainstream climate finance. This real property bias sidelines non-owners and inhabitants of historically marginalized housing types, limiting their capacity to prepare for and recover from climate change events. In this intervention, we survey major pathways of existing climate finance, before turning to emerging trends for residential ‘climate-proofing,’ retrofitting efforts that bring climate finance ‘home’ to the building level. Building on the concept of ‘real property supremacy,’ we demonstrate how resourcing climate response is limited by the privileging of real property in the structure and …
Growing Up Sustainable? Politics Of Race And Youth In Urbanplan, Copenhagen, Max Ritts, Rebecca Rutt
Growing Up Sustainable? Politics Of Race And Youth In Urbanplan, Copenhagen, Max Ritts, Rebecca Rutt
Geography
This paper considers how racialized youth in Denmark negotiate sustainability amid contexts marked by intersecting forms of economic restructuring, progressive neoliberalism, white ethno-nationalism, and green urban planning. Urbanplan is a low-income, notoriously “troubled” Copenhagen neighborhood where we conducted fieldwork for 7 months (2019-2020) with fifteen male youth, aged 17-21. Using ethnography, policy reviews, and interviews with city social workers, we explore how intimate experiences of nature, group-identity, and place attachment here relate to and depart from the structural forces actively reshaping the neighborhood. Our analysis combines Cindi Katz's intersectional political economy approach with recent work on green gentrification, Critical Utopian …
Methods To Compare Sites Concerning A Category’S Change During Various Time Intervals, Thomas Mumuni Bilintoh, Robert Gilmore Pontius, Aiyin Zhang
Methods To Compare Sites Concerning A Category’S Change During Various Time Intervals, Thomas Mumuni Bilintoh, Robert Gilmore Pontius, Aiyin Zhang
Geography
This paper presents new methods to analyze a category’s change through a time series of maps, even when the time intervals have inconsistent durations. The methods include an option to facilitate comparison among sites by expressing results as an annual percentage of each site’s unified size. A site’s unified size is the union of where the category exists at any of the site’s time points. The methods also specify gross losses, gross gains, eight trajectories, and three components: Quantity, Exchange, and Alternation. The illustrative application compares maps of the marsh category for three Long-Term Ecological Research sites: Plum Island Ecosystems …
Amazonia In Motion: Changing Politics, Development Strategies, Peoples, Landscapes And Livelihoods, Susanna Hecht, Marianne Schmink, Rebecca Neaera Abers, Eduardo Assad, Denise Bebbington, Eduardo Brodizio, Francisco De Assis Costa, Ana María Calisto Durán, Philip Fearnside, Rachael Garrett, Sebastian Heilpern, David Mcgrath, Gustavo Oliveira, Henrique Pereira, Miguel Pinedo-Vazquez
Amazonia In Motion: Changing Politics, Development Strategies, Peoples, Landscapes And Livelihoods, Susanna Hecht, Marianne Schmink, Rebecca Neaera Abers, Eduardo Assad, Denise Bebbington, Eduardo Brodizio, Francisco De Assis Costa, Ana María Calisto Durán, Philip Fearnside, Rachael Garrett, Sebastian Heilpern, David Mcgrath, Gustavo Oliveira, Henrique Pereira, Miguel Pinedo-Vazquez
Geography
We review the often-invisible powerful processes that drive social and ecological change in Amazonia, and the diverse peoples who inhabit its landscapes. It explores large-scale development ideologies of modernization, and the policy tools that were deployed to carry them out. Outlining general periods of macro policy shifts, we show the evolution of the framework for today’s complex interactions between large-scale agroindustry, mining, and hydrocarbons, and diverse small-scale livelihoods, as well as the clandestine and illicit economies of land grabbing, gold, coca and timber, and their operation in globalized and regional economies. While Pan-Amazonian governments have oscillated between authoritarian and democratic …
Designing A Transdisciplinary, Critical Place-Based Ethnic Studies Curriculum Around A Historic Black Neighborhood In St. Louis, Sarah Mcvoy Miller
Designing A Transdisciplinary, Critical Place-Based Ethnic Studies Curriculum Around A Historic Black Neighborhood In St. Louis, Sarah Mcvoy Miller
Antioch University Dissertations & Theses
Black neighborhoods have played a critical role in creating safe spaces and fostering resistance for Black individuals (Fullilove, 2016; Haymes, 1995). However, systemic racism has contributed to negative outside perceptions of Black spaces (Faber, 2021; Imbroscio, 2021). Further, stigmatizing language has helped to justify the displacement or erasure of these spaces (Faber, 2021; Porter & Yiftachel, 2019; Safransky, 2014; Slater, 2009; Yiftachel, 1998). Despite the contributions that Black communities have made and continue to make, common curricula often exclude positive stories about Black communities (Epstein, 2009; Ross, 2017c; Zinn & Macedo, 2005). In this dissertation, I propose a curriculum based …
Essays On Public Finance And International Finance, Deepti Sikri
Essays On Public Finance And International Finance, Deepti Sikri
Electronic Theses & Dissertations (2024 - present)
The first chapter examines New York State's Fiscal Score Monitoring program to find the effect of two quality labels on school district outcomes: fiscal stress scores, reflecting the budget solvency, and environmental stress labels reflecting economic and demographic conditions. Using the NYS school district data from 2013-22, I employ the regression discontinuity design to find the effect of stress labels, in response to the political pressure on district finances, housing, and school outcomes. I find the effect of fiscal stress label is limited, leading to a decrease in the fund balance ratio and an increase in the tax rate. However, …
Assessment Of Spatial Distribution Patterns And Infestation Risk Over Time Of Spotted Lanterfly (Lycorma Delicatula) In New York State, Alanna Richman
Assessment Of Spatial Distribution Patterns And Infestation Risk Over Time Of Spotted Lanterfly (Lycorma Delicatula) In New York State, Alanna Richman
Electronic Theses & Dissertations (2024 - present)
Spotted Lanternfly (Lycorma delicatula) is an invasive treehopper native to Asia. It was first introduced to Pennsylvania in 2014, and as of 2020 it has expanded to New York state. Their preferred host tree is the invasive tree of heaven (Ailanthus altissima), but they will feed on over 173 different plants worldwide. Preferred host species in New York state include agricultural vegetation such as grape vines and fruit trees. Positive Spotted Lanternfly site data collected by the New York Department of Agriculture and Markets and iMapInvasives were analyzed using ArcGIS Pro to assess spatial distribution patterns. …
Investigating Flash Flood Occurrence Using Negative Binomial Models In Maryland, United States Of America, Zainab O. Akinsemoyin
Investigating Flash Flood Occurrence Using Negative Binomial Models In Maryland, United States Of America, Zainab O. Akinsemoyin
College of Graduate Studies: Theses & Dissertations
Globally, as extreme weather patterns intensify, flash floods have emerged as one of the most destructive and immediate environmental threats. In Maryland, flash floods are particularly concerning due to its diverse topography and increasing urban development, which exacerbates runoff and overwhelms drainage systems. The state has experienced significant flash flood events, highlighting the need for effective models to manage risks and inform mitigation strategies. While regression models such as the Negative Binomial (NB) and Zero-Inflated Negative Binomial (ZINB) are commonly used for count data analysis, their application to flash flood modeling in the USA, including regions like Maryland, remains limited …
Baaf: Bishop Airfield’S Contribution To The ‘Greatest Generation’, Jack Fisher
Baaf: Bishop Airfield’S Contribution To The ‘Greatest Generation’, Jack Fisher
Eastern Sierra History Journal
The Dec. 7, 1941, Pearl Harbor attack changed everything in America including the Owens River Valley where most of its landing fields became sites for pilot training. One of these was the Bishop (CA) Air Field, leased by the Army from Inyo County effective June 10, 1942. It was was designated a tactical military facility and its history, hitherto untold, forms the basis of this article.
A Review Of Emerging Sensor Technologies For Tank Inspection: A Focus On Lidar And Hyperspectral Imaging And Their Automation And Deployment, Sergio Pallas Enguita, Chung-Hao Chen, Samuel Kovacic
A Review Of Emerging Sensor Technologies For Tank Inspection: A Focus On Lidar And Hyperspectral Imaging And Their Automation And Deployment, Sergio Pallas Enguita, Chung-Hao Chen, Samuel Kovacic
Electrical & Computer Engineering Faculty Publications
This paper reviews various sensor technologies for tank inspection, focusing on Light Detection and Ranging (LiDAR) and Hyperspectral Imaging (HSI) as advanced solutions for corrosion detection. These technologies are evaluated alongside traditional methods such as ultrasonic, electromagnetic, and thermographic inspections. This review highlights their potential to enhance inspection accuracy, reduce the limitations of manual inspection, and support integrated data analysis for comprehensive asset management. Additionally, this paper proposes a pathway for automating these techniques to streamline inspection processes and improve implementation in practical applications.
Do Americans Support More Housing?, Michael Lewyn
Do Americans Support More Housing?, Michael Lewyn
Scholarly Works
An analysis of opinion poll data on housing issues. The article finds that Americans generally believe that their community needs more housing of all types, but are more closely divided about whether such housing should be in their own neighborhoods. The article further finds that members of minority groups, lower-income Americans, and younger Americans are more pro-housing than older, affluent whites.
Geographies Of Storage, Sayd Randle
Geographies Of Storage, Sayd Randle
Research Collection College of Integrative Studies
Resource storage has long played a key role in the production of socio-ecological arrangements and economic relations. Even so, storage as a concept has remained somewhat marginal within geographical scholarship, often obscured by an analytical focus on the dynamics of movement. Reviewing recent works from geography, science and technology studies, and anthropology that center sites and practices of storage, this essay elaborates the diverse ways in which storage arrangements mediate resource circulation and the production of space. This literature demonstrates that thinking systematically with storage can illuminate a range of novel temporal, material, and value entanglements in-the-making, pointing to potentially …
Multiethnic Elites And The Management Of Tropical Heat In Colonial Malaya, Circa 1870s-1930s, Claire Lowrie, Nicole Tarulevicz, Fiona Williamson, Charmaine H. Lam
Multiethnic Elites And The Management Of Tropical Heat In Colonial Malaya, Circa 1870s-1930s, Claire Lowrie, Nicole Tarulevicz, Fiona Williamson, Charmaine H. Lam
Research Collection College of Integrative Studies
This article considers the responses of multiethnic urban elites to living with tropical heat in colonial Malaya by analysing attitudes towards the meteorological study of temperature, commercial cold storage and hill stations. A transcolonial and transimperial approach is used to illustrate that interest in managing and monitoring temperature was slower to develop in Malaya compared with other tropical colonies. The article also considers how access to methods of ameliorating heat was shaped by colonial hierarchies based on ideas of race and class.
Lidar Remote Sensing And The Monitoring Of Brazilian Amazon Forest Structure: Tackling Issues And Finding New Possibilities, Pedro Valle De Carvalho E Oliveira
Lidar Remote Sensing And The Monitoring Of Brazilian Amazon Forest Structure: Tackling Issues And Finding New Possibilities, Pedro Valle De Carvalho E Oliveira
Electronic Theses and Dissertations
The Amazon is the largest tropical forest in the world and around 60% of it is in Brazil. The amount of carbon stored in the region uncertain, the impacts of land use and climate changes are unknown, and what drives the dynamic of the forest structure is still under a heated debate. Optical remote sensing has been used for a long time to assist the monitoring of the Brazilian Amazon. However, optical remote sensing only allows a comprehensive study from the top of the forest canopy. In contrast, lidar remote sensing of forests can produce robust information regarding the canopy …