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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
151

Sidewalks to Nowhere: A Tool to Prioritize Pedestrian Improvements

Lai, Ho Yan 01 June 2019 (has links) (PDF)
Walkability as a concept that captures the ability to walk from one place to another has multiple dimensions. Between traversability to being a proxy for better urban places, there are also numerous measurements of walkability that attempts to quantify certain or all aspects of walkability. It is, however, unclear, through a review of available literature, how these measurements of walkability relate to each other statistically. This methodology focuses on generating a framework for analysts to evaluate and prioritize pedestrian infrastructure. WalkScore™ (WS), HCM Pedestrian Level of Service (PLOS), Average Nodal Degree (AND), and Intersection Density are the four metrics selected for this analysis that focuses on distinctive aspects of walkability (proximity, amenity, network-connectivity, respectively). A sample of 51 street segments from the County of San Luis Obispo is selected according to their respective Average Daily Traffic (ADT) volumes. Pearson’s Correlations between the six combinations of relationships are measured, and the strongest correlation between the six relationships is between WalkScore™ and Intersection Density with an R2 of 0.44. A regression model that includes external factors such as population and adjacent land use is used to analyze and predict PLOS of the street segment. Although the model is not statistically significant, the goal of this research is to identify gaps in current and potential walkability of street segments in the sample. Therefore, this framework of using established walkability metrics to predict PLOS, and then distinguishing places for improvements is proposed as a result of this research to be used by government agencies to prioritize pedestrian infrastructure.
152

Greenspace Conservation Planning Framework for Urban Regions Based on a Forest Bird-Habitat Relationship Study and the Resilience Thinking

Kato, Sadahisa 01 May 2010 (has links)
The research involves first conducting a "case study" of ecological data and applying the results, together with the resilience concept, to the development of a greenspace conservation planning framework for urban regions. The first part of the research investigates the relationship between forest bird abundance and the surrounding landscape characteristics, especially, forest area and its spatial configuration in urban regions at multiple scales. The results are similar for simple and multiple regression analyses across three scales. The percentage of forest cover in a landscape is positively correlated with bird abundance with some thresholds. Overall, the percentage of forest cover in the landscape, contrast-weighted forest edge density, and the similarity of land cover types to forest cover are identified as important for the conservation of the target bird species. The study points to the importance of species-specific habitat requirements even for species with similar life history traits and of maintaining some forest edges and/or edge contrast. The second part of the research involves the development of a landscape planning meta-model and its conceptual application to greenspace conservation planning, integrating the results of the first part. Administrative and planning units are recognized to exist in a nested hierarchy of neighborhood, city, and urban region, just as biodiversity can be conceived in a nested hierarchical organization of genes, populations/species, communities/ecosystems, and landscapes. Resilience thinking, especially the panarchy concept, provides a scientific basis and a metaphorical framework to develop the meta-model, integrating a proposed landscape planning "best practice" model at each planning scale. Ecological concepts such as response and functional diversity, redundancy, and connectivity across scales are identified as key concepts for conserving and increasing biodiversity and the resilience of an urban region. These concepts are then used in the meta-model to develop the greenspace conservation planning framework. Ecological processes such as pollination and dispersal, as well as social memory and bottom-up social movements---small changes collectively making a large impact at the broader scales as well as these incremental changes gaining momentum as they cascade across scales---are identified as cross-scale processes and dynamics that connect various planning scales in the meta-model.
153

Building Main Street: Village Improvement and the Small Town Ideal

Makker, Kirin 01 September 2010 (has links)
Before the American small town was enshrined as an ideal, it was a space of dynamic and pioneering progressive reform, a narrative that has been largely untold in histories of professional planning and landscape history. Archival research shows that village improvement was not simply a prequel to the City Beautiful in the years following the 1893 Chicago Expo, but a rich and complex history that places the residential village at the center of debates about the middle landscape as a civic realm comprised of complimentary and oppositional pastoral and urban worldviews. The second half of the nineteenth century saw an extensive movement in village improvement that affected the physical, economic, and social infrastructure of rural settlements of all sizes in every region of the country. As a concept referenced by planners working on comprehensively-designed suburban communities, the small town ideal has never been historicized with respect to the history and theory of the nineteenth century village landscape improvements. This study broadens the study of village improvement to include the history of ideas and debates surrounding rural development on the national and local level between the 1820s and 1880s and, in doing so, argues that the discussion-born theory of village improvement within a national rural reform movement led by some of the nineteenth century's most respected and influential reformers including B.G. Northrop (education), Col. George Waring (sanitation), N.H. Egleston (conservation), Isabella Beecher Hooker (women's rights), and F.L. Olmsted, Sr. (landscape architecture) was modeled on the Laurel Hill Association in Stockbridge, Massachusetts, and that the local practice of this one society over the same period in line with the national movement together comprised the most active sustained discussion about the civic society and physical infrastructure of rural settlements in American history. This narrative tracks reform movements in rural settlements over several decades, beginning with landscape gardening through sanitation and up to the professionalization of city planning and the country life movement. Planning veered from broadly conceived urban pastoralism and multi-disciplinary rural improvement that viewed the village as an extension of the city toward preservation planning that viewed the small town as an increasingly idealized pastoral space, past-looking and unchanging. This trend was in line with an associated shift from planning as a series of fine-grained locally led practices to expert-driven professionalized planning as grandiose comprehensive vision.
154

Estimating the Impact of Infill Housing on Reduction in Vehicle Miles Traveled

Ratto, Peyton Marie 01 June 2023 (has links) (PDF)
Vehicle miles traveled (VMT) and its relationship with the built environment has been extensively studied. Most notably, five D variables of the built environment including density, diversity, design, destination accessibility, and distance to transit are the key variables included in this research to explain VMT generation from housing developments. This thesis uses prior research that developed robust statistical models and findings to create a framework to estimate VMT reduction affected by infill housing developed using incentives provided by the state compared to a regional comparator. The regional comparator is typically a suburban single-family housing development in the region. The models recommended for future application of the framework are based on ease of finding the data on variables included in the model and statistical robustness. The application of the framework in the Central Coast and San Francisco Bay Area regions of California shows that infill prototypes developed can generate an 11-27% reduction in VMT per capita. The findings are specific to a synthetic household defined for this study. The research provides ways to apply this framework to other regions of the state along with ideas to consider for future work. These ideas include exploring the VMT reduction potential based on households with different income levels appropriate for the regions, future modeling efforts, and selection of existing models. The findings of this thesis support that the combination of the five D variables can help attribute to a larger VMT reduction than the VMT reduction caused by the change of a single variable. When destinations are clustered, and jobs are available at a reasonable distance to the residence, a significant reduction in VMT is more achievable. The results inform public agencies on which locations are ripe for devoting further resources for incentivizing housing development to reach climate and housing goals.
155

Urban Community Forestry in Washington, DC and Baltimore, MD: The Role of Nonprofit Organizations

Rodier, Meghan L. 26 July 2011 (has links)
No description available.
156

THE SPATIALITY IN STORYTELLING

Yu, Xiang 13 July 2016 (has links) (PDF)
Theatre has always been played a irreplaceable role in people’s lives, even nowadays where people have multiple choices for entertainment. Some theater architecture has also become the symbol of the city, such as Paris Opéra and Sydney Opera House. By taking a close look at various case studies, one will understand how the theatre architecture corresponds with their city representing its history, culture and visions for the future. The development of my thesis is based on the integration of the ‘space’ of storytelling and the space of design. Will the quality of space bring out the memories that have been stored with in it? How the space provide with most flexibility for its users? Explorations in acoustic and lighting design as well as the spectators’ experience in the space will be discussed. My attention is to create a design that will heighten perception and arouse the audience’s sensory experience even before the start of the show. The relationship between nature and the architecture is also one of my attentions. Questions arise such as how to use a multidisciplinary approach to investigate the intersection of architecture and landscape. Should the architecture become a new definition towards the context or an expression that abstract from the landscape? This thesis explores the relationship between the performer and audience, and how the architecture space can contribute to the theater experience. The design for this project offers one solution for the whole site serving as a place for performing arts as well as a public space and a destination for the city of Boston.
157

Where learning meets dwelling

Jordan, Anne Michael 01 September 2006 (has links)
If a city is to undergo a re-birth then why not start from the beginning of life: childhood. This project explores the place of the child in the city and how a re-urbanizing area can benefit from the presence of the child. The thesis also looks at the home and what makes a good urban dwelling for a family. The program for the thesis evolved as a reaction to these queries as a mixed use urban center that brings together family residence towers with private yards, and a school that incorporates day care and teaches pre-school through fifth grade. / Master of Architecture
158

Public Goods for a Few: The Role of Crime Prevention and Security Districts in New Orleans

Wise, Ryan Galvin 01 May 2013 (has links)
This study adds to the limited literature on residentially-focused special taxing districts by addressing three questions on crime prevention and security districts in New Orleans. 1) Do the districts share common characteristics? 2) Do they act as a tool to retain residents? 3) Do they represent what A.O. Hirschman would characterize as “exit,” “voice” or neither, and, as such, how do they effect the city’s potential for service improvement? The findings show that the districts tend to be wealthier and whiter, and to have higher homeownership rates and home values than the city at large. However, exceptionalities in three of the newer districts suggest greater diversification. This could represent a shift in the perceived role of neighborhood organizations in meeting residents’ service needs. This study also finds that districts act as mechanisms to retain and, in some cases, placate residents who might otherwise be influential constituencies demanding improved municipal services.
159

Cumulative Impact of Shortest Path, Environment and Fuel Efficiency on Route Choice: Case Studies with Real-Time Data

Islam, Syed R 13 May 2016 (has links)
Intelligent Transportation System (ITS) provides a great platform for the planners to reduce environmental externalities from auto. We now have access to real time data. We have been using shortest path to provide route choice to the user. But we have the potential to add more variables in choosing routes. Real time data can be used to measure carbon di-oxide emission during a trip. Also, fuel efficiency can be measured using the real time data. Planners should use this potential of ITS to reduce the environmental impact. This paper thus try to evaluate if considering three variables shortest path, environmental impact and fuel efficiency together instead of only shortest path will change the route choice or not. It provides case studies on different types of routes and between different sets of origin /destination to evaluate the combined influence of these three variables on route choice.
160

Inspire. Empower. Live.: A design solution for the deaf and hearing-impaired

Brahams, Caryn M 01 May 2015 (has links)
Being "deaf" is defined as the inability to hear, but it can also be defined as a culture centered around sensibilities and shared life experiences. This endeavor seeks to integrate the hearing-impaired and hearing communities through the application of "Deaf Space" and other design theories. The result is an inspiring, empowering, and lively solution.

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