800 resultados para Medium-sized cities urban planning


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Scientific studies exploring the environmental and experiential elements that help boost human happiness have become a significant and expanding body of work. Some urban designers, architects and planners are looking to apply this knowledge through policy decisions and design, but there is a great deal of room for further study and exploration. This paper looks at definitions of happiness and happiness measurements used in research. The paper goes on to introduce six environmental factors identified in a literature review that have design implications relating to happiness: Nature, Light, Surprise, Access, Identity, and Sociality. Architectural precedents are examined and design strategies are proposed for each factor, which are then applied to a test case site and building in Baltimore, Maryland. It is anticipated that these factors and strategies will be useful to architects, urban designers and planners as they endeavor to design positive user experiences and set city shaping policy.

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Noise mapping has been used as an instrument for assessment of environmental noise, helping to support decision making on urban planning. In Brazil, urban noise is not yet recognized as a major environmental problem by the government. Besides, cities that have databases to drive acoustic simulations, making use of advanced noise mapping systems, are rare. This study sought an alternative method of noise mapping through the use of geoprocessing, which is feasible for the Brazilian reality and for other developing countries. The area chosen for the study was the central zone of the city of Sorocaba, located in So Paulo State, Brazil. The proposed method was effective in the spatial evaluation of equivalent sound pressure level. The results showed an urban area with high noise levels that exceed the legal standard, posing a threat to the welfare of the population.

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“Breaking through the Margins: Pushing Sociopolitical Boundaries Through Historic Preservation” explores the ways in which contemporary grassroots organizations are adapting historic preservation methods to protect African American heritage in communities that are on the brink of erasure. This project emerges from an eighteen-month longitudinal study of three African American preservation organizations—one in College Park, Maryland and two in Houston, Texas—where gentrification or suburban sprawl has all but decimated the physical landscape of their communities. Grassroots preservationists in Lakeland (College Park, Maryland), St. John Baptist Church (Missouri City, Texas), and Freedmen’s Town (Houston, Texas) are involved in pushing back against preservation practices that do not, or tend not, to take into consideration the narratives of African American communities. I argue, these organizations practice a form of preservation that provides immediate and lasting effects for communities hovering at the margins. This dissertation seeks to outline some of the major methodological approaches taken by Lakeland, St. John, and Freedmen’s Town. The preservation efforts put forth by the grassroots organizations in these communities faithfully work to remind us that history without preservation is lost. In taking on the critical work of pursuing social justice, these grassroots organizations are breaking through the margins of society using historic preservation as their medium.

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Streams in urban areas often utilize channelization and other bank erosion control measures to improve flood conveyance, reduce channel migration, and overbank flooding. This leads to reductions in evapotranspiration and sediment storage on floodplains. The purpose of this study is to quantify the evapotranspiration and sediment transport capacity in the Anacostia Watershed, a large Coastal Plain urban watershed, and to compare these processes to a similar sized non-urban watershed. Times series data of hydrologic and hydraulic changes in the Anacostia, as urbanization progressed between 1939-2014, were also analyzed. The data indicates lower values of warm season runoff in the non-urban stream, suggesting a shift from evapotranspiration to runoff in urban streams. Channelization in the Anacostia also increased flow velocities and decreased high flow width. The high velocities associated with channelization and the removal of floodplain storage sites allows for the continued downstream transport of sediment despite stream bank stabilization.

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Both the end of the twentieth century and the beginning of the twenty-first century have been characterized as a period of major political, economic, social and cultural transformations. Two of the major consequences of the political-economical crisis of the end of last century are the restructuring of capitalist production, and the consolidation of neoliberalism as a worldwide phenomenon. This new world political-economical scenario has influenced, in a dialectic way, the contemporary urban development. In that sense, "new" spatial processes and new paradigms in both urban management and urban planning have gained shape. In this context of urban transformations, the central areas of western cities, also known as historic centers, are being increasingly (re)valued. Since the Second World War, the historic centers urban areas which have great infrastructure and symbolic relevance had been undergoing a process of evasion of population and activities, undeniably linked to the neglect of government authorities. However, in recent decades, the question of historic centers rehabilitation has acquired a growing interest, academically and in political agendas. The object of this dissertation is to focus on how the government of each Brazil and Portugal has dealt with the issue of historic center rehabilitation through programs of urban rehabilitation

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This research presents a study investigating the correlation between the environmental-physycal charcateristics of cities and the formation of its micro-climates. The study was conducted in the central area of Fortaleza characterized as a stable and consolidated area, where the city originated and currently faces serious problems in its urban dynamics. The points of measurements were determined by the elaboration and analysis of topography maps, height of buildings, land use, type of surface coating and vegetation, following the methodology of Katzschner (1997). A zoning map was then determined, according to common morphological characteristics of the 12 measurement points, which were based on a set of Romero s (2001) bioclimatic criteria. Air measurements, temperature, humidity, intensity and direction of winds were made in transect form in two different circuits in the study area, with six points of data collection in each area, in three different times: 6:00 am, 1:00pm and 7:00pm, during two periods of the year: August 2008 and March 2009. The results verified the influence of different environmental-physical types in the behavior of the climatic variables that were collected. A verticalização tão condenada em algumas situações se bem equilibrada e controlada pode reduzir as temperaturas do ar através do sombreamento dos espaços urbanos e possibilidade de maior permeabilidade a ventilação natural. The highest average air temperature and lower humidity were recorded at the point I at all times. This situation may have been in result of the high density, poor vegetation and extended paving of the ground. According to the results, it s clear the positive influence vegetation has on easing air temperature. Another indicator observed that areas with a greater variation in building heights tend to present decreased average air temperature. High rise structure, planned in accordance to urban air quality parameters, can reduce air temperatures by the shading of urban spaces and the possibility of greater penetration of natural ventilation

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Las ciudades de todo el mundo deben mantener un entorno urbano habitable. Nueva York y Barcelona fueron una vez ejemplos a seguir, pero la visión urbana de expansión durante las últimas décadas ha dado lugar a un paradigma que comprende pobremente las tendencias de desarrollo de finales del siglo 20 e inicios del siglo 21. La planificación urbana insuficientemente pondera las aspiraciones de los ciudadanos y las funciones socioeconómicas de la ciudad, generando desequilibrios, caracterizados por el aumento de congestiones de tráfico, injusticia social y económica, y degradación medioambiental. En el caso de la ciudad de Cuenca, el desarrollo urbano ilustra claramente una expansión deficientemente controlada con graves fricciones en los mercados de trabajo y de vivienda, con pocos espacios verdes dentro y alrededor de la ciudad, como fue en el pasado. Este estudio intenta ilustrar la discrepancia entre la teoría y la práctica en el campo de la planificación urbana utilizando como caso de estudio a la ciudad andina de Cuenca. Mientras que la nueva doctrina de planificación urbana habla de un intrincado equilibrio entre las funciones socioeconómicas y ambientales en el espacio urbano, la ciudad se ve cada día más desorganizada. Además, para explicar la situación actual de la planificación de la ciudad de Cuenca, basada en razones teóricas y filosóficas, se identificaron las deficiencias en la planificación urbana. Las buenas prácticas de diseño y planificación urbana deben basarse en una buena comprensión del carácter dinámico y complejo de las ciudades. Con el manuscrito el autor tiene como objetivo impulsar la discusión científica sobre la planificación urbana desde la visión medioambiental y sustentable.

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The present work analyzes the fast evolution of gated communities in Natal-RN´s urban space. Characterized by the occupation of large areas, providing private security and utilities, this kind of real estate use arises a long list of questions and issues from society and scholars, due to privatization of urban space, bending of law constraints and the lack of an integrated planning of the cities where they are built. The reasons for its fast growth in Brazil s urban areas are analyzed, considering the impact on formal urban planning and municipal services and on the identification of urbanistic, architectural pattern and constraints, as well as legal, social and economic issues. This study is based on the detailed analysis of the first three units of gated communities built in the urban space in Natal, between 1995 and 2003, including their evolution throughout time and the specific social and economic reasons for its present widespread adoption in Brazilian real estate market and, particulary, in our city. The main objective of this piece of work is to answer the why s and how s these phenomena evolved, setting a basis for the definition of adequate public policies and regulation of this kind of urban land use

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The present study deals with the relationship between urban vegetation and climate. The process whereby the Parque das Dunas a 1,172 ha green area in the city of Natal, State of Rio Grande do Norte exerts influence on the climate of the city is analyzed. The hypothesis on which the present work rests is that the green area referred to acts upon the climate of the city. The study is based on the analysis of climatic factors and elements of this green area and of the city of Natal. In order to give rise to final recommendations, a methodology grounded on a quantitative and qualitative standpoint has been used. The data were collected both within and without the limits of the Parque das Dunas area. Secondary and primary data resulting from the measurements taken by the researcher and her work group have been used. The aim was to contribute to the understanding of the influence of vegetation on the climate of a city having a warm and humid climate. A historical and environmental characterization of the Parque das Dunas was then sought. The local climatic factors and the elements of the climate have been studied within the scope of the city of Natal. A comparative study between the climatic elements within and without the limits of the Parque das Dunas area from the survey of technical data and the systematization of the information collected has been made, aiming at proposing a set of bioclimatic recommendations for the urban design in Natal. The results of such work allowed for the validation of the important role that the Parque das Dunas plays in the climate of Natal. This has led to the acknowledgement of the relevance of the green areas on the climate of cities. They bring about important benefits to the process of rendering agreeable the climate in the urban environment by providing pleasant microclimates that give a valuable contribution to the environmental comfort of urban nuclei having the same size of Natal

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The Escritório Saturnino de Brito (Saturnino de Brito Office), created in 1920 under the sanitaristic guidance of the engineer Saturnino de Brito, has a vast record of works throughout the whole national territory, even after the death of its founder, in 1929 at which point his son, and also engineer, Saturnino de Brito Filho, assumed the head of the company , with a compromise to continue his father s work and assure his administrative, technical and urbanistic principles up until the early 1980s, when that institution came to an end. The scarcity of theorical studies about this Office, alongside the importance of the contributions it made in countless cities, oriented the focus of this study on its performance in Natal, where it remained from 1935 to 1969, designing, executing and managing sanitationist works and the services associated with them and going through several political, economical, social, cultural and urbanistic contexts periodicized in this work into three moments. Thus, it is intended to analyze how the Saturnino de Brito Office behaved and adapted itself to the conjunctural changes that unfolded into each of these moments, and more specifically, to observe the forms of intervention adopted the principles, the instruments and the scope aiming to verify the transition of the sanitaristic set of urbanistic ideas into the urban planning as a development strategy on a local level

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According to article 182 of the Brazilian Federal Constitution, cities should perform social function, what brings the concept that the city should be a place for one to live well. For that to happen, it should be well administered by its public managers. However, so that there is a sound administration, one that really performs that social function, there must be, first, an efficient planning. We understand that such a thing occurs when the master plan is the main planning instrument of a city and serves as basis for its administration. We notice, however, that in most of the cities the master plan is formulated as a law that regulates urban planning but that both the population and the government most of the times are not aware of its importance concerning the relevant issues related to municipal administration, such as its relationship with the economy, taxation, the social issue, land use regulation, and, in summary, with all the aspects that constitute and that a municipal government should manage in the best possible way. One also knows that, in general, the attempt of city planning has always been connected to the duration of a mandate and that way public managers many times implement restricted measures aiming to just attain a political-electoral objective and publicizing their administration. That implies actions and works that in some cases have negative impacts or ones that cannot be removed from the cities. This study intends to show that the master plan should be the planning instrument guiding the municipal administration but that, however, what we note is a lack of connection between that instrument and the government guidelines of the municipal managers. In order to study what happens to the cities that have a planning which is not taken into account in its administration, we will use the city of Fortaleza, capital of the State of Ceará as a case study. Historically, in Fortaleza the public managers have seldom decided to administer the city in according to the master plans developed for it. We should emphasize that planning begins in the city quite late and until the current days it is being substituted by temporary measures. Through the analysis of the planning process and of the urban management of the city of Fortaleza, especially the master plans predicted since 1933, we explain that if such plans had been implemented, they could have been important tools for its administration to attain a social function, becoming therefore a place for one to live well

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Economia, Administração e Contabilidade, Programa de Pós-Graduação em Administração, Mestrado Profissional em Administração Pública, 2015.

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El interés de este caso de estudio es reflexionar sobre los procesos participativos en la formulación de instrumentos de planeamiento urbano y sus efectos en la gestión de las ciudades, particularmente en el espacio público. Esto se realiza partir de una revisión normativa en el presente y de algunos aspectos históricos de los procesos de “Participación Ciudadana” y del concepto de “Espacio Público” como escenarios propicios para que la ciudadanía aporte en las decisiones de planificación. Además, se plantea una revisión de cómo estos se constituyen en elementos estructurantes de la ciudad que la dotan de identidad, referentes simbólicos y apropiación ciudadana. Para este efecto, se realizó un balance de la estrategia de gestión social y participativa propuesta por el Plan Maestro de Espacio Público de 2005, con el fin de resaltar la importancia de la participación ciudadana en la gestión de los instrumentos de planificación con los que cuenta la ciudad y sus resultados en la gestión de espacio público en Bogotá.

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Los modelos de gestión urbana a nivel global, incorporan en la planeación y en el desarrollo de los entornos urbanos, al suelo natural de soporte como estructura fundamental; debido principalmente a sus funciones ecosistémicas y a los bienes ambientales que provee, incluyendo la biodiversidad y la conservación de entornos con calidad paisajística, entre otros. Teniendo en cuenta lo anterior, el objetivo principal de esta investigación, consiste en hacer un seguimiento y caracterización del ecosistema estratégico del corredor biológico borde norte en la ciudad de Bogotá, con el fin de identificar y dar visibilidad a los aspectos críticos, que son necesarios a tener en cuenta en la política e instrumentos de planeación, para el tratamiento de ésta área. En el desarrollo de esta investigación, se aplicaron las nociones metodológicas de la ecología urbana, dando inicio con una fase de diagnóstico y caracterización de la situación actual, seguido de la formulación de alternativas, entre las que se destacan, la restauración ecológica. En el diagnóstico se pudo identificar que, si bien existe disponibilidad de agua y de cobertura vegetal en las condiciones de suelo, también está presente una gran presión inmobiliaria en el sector, lo cual, ha promovido la alteración de los predios, haciendo urgente un tratamiento integral de restauración ecológica de éste corredor, que permita la recuperación de la función ecosistémica, aportando beneficios a la ciudad.

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Este documento corresponde al ejercicio preliminar de la línea de investigación en dinámicas territoriales, y es uno de los artículos científicos propuestos como resultado del Proyecto de investigación “Inteligencia territorial para la recuperación de las dinámicas socio-productivas de la subregión de Lengupá”. Por lo tanto, presenta los resultados de la fase exploratoria, correspondiente al diagnóstico regional en el marco de los enfoques teóricos desde los cuales la región es estudiada. A continuación, se presentarán los dos pilares fundamentales de ésta investigación: el territorio y la Inteligencia Territorial. En el caso del territorio, este proceso de investigación parte de un diferenciación previa respecto al lugar y al espacio, debido a que en el territorio se dan relaciones históricas y de poder en una relación dialéctica, entre los atributos ecológicos y culturales, teniendo en cuenta el planteamiento de Sasquet, (2015) cuando menciona que para comprender el territorio es necesario comprender el espacio geográfico, territorialidad humana, en escala subregional y a través del tiempo.