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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.
61

A apropria??o e percep??o de um rio urbano: o caso do ribeir?o Jacar? de Itatiba (SP)

Franco, Gustavo Cosenza de Almeida 16 February 2009 (has links)
Made available in DSpace on 2016-04-04T18:21:50Z (GMT). No. of bitstreams: 1 Gustavo Cosenza de Almeida Franco.pdf: 18932279 bytes, checksum: 4fefff2bba5f0f86bb6d112ccaaa7bf5 (MD5) Previous issue date: 2009-02-16 / This dissertation has as the main objective identify the people s perception and appropriation in relation with the urban rivers. The object of this study is the Jacar? brook, which is born and flows into the city named Itatiba (SP). With the help of a schedule and pre established standards, interviews were done with different segments of society organized civil society (ONG JAPPA), the municipal public power (mayor), regional water administration institutions (Committee and Consortium of basins), and common citizens which are familiar with the river. Our interviews interpretations allowed us identify the people s collective feelings about the Jacar? brook in the material area (landscape and environment) such as in the symbolic area (sentimental and affective). The definition of an urban river and its characteristic aspects also appear in this work. It aims to evince the relation between the river (water and river bank) and the population in front of the changes since the first quarter of the twenty century. The space that before was designated to leisure and social conviviality became a space hardly used and an urban level almost zero. What was possible to realize with the theorist base and with the interviews is that the complexities of the morphological dynamic of the cities environment reflect in the changes of the society values that used to be in these spaces. The clean river and the accesses to its bank propitiated activities that today are not possible, not only because of the conviviality space and social meeting, but also because the bad quality of these spaces (water and river banks). This study intended to understand the complexity of the relations in the water and urban environment areas, which embraces aspects of accesses, appropriation and a great faculty in the subjective area. Realize these relations, identify in people the feeling of belonging to a natural good and the values change that occurred contribute to a better understanding about the present scenery that embrace Jacar? brook and the futures perspectives of this relation. / Essa pesquisa teve como objetivo principal identificar a percep??o e a apropria??o das pessoas em rela??o aos rios urbanos. O objeto desse estudo foi o ribeir?o Jacar?, que nasce e des?gua na cidade de Itatiba (SP). Com o aux?lio de um roteiro e de crit?rios pr? estabelecidos, foram realizadas entrevistas com os diferentes segmentos da sociedade sociedade civil organizada (ONG JAPPA), poder p?blico municipal (prefeito), ?rg?os gestores da ?gua em ?mbito regional (Comit? e Cons?rcio de bacias), e, cidad?os comuns que se familiarizam com o rio. A nossa interpreta??o das entrevistas permitiu identificar os sentimentos coletivos das pessoas em rela??o ao ribeir?o Jacar?, tanto no campo f?sico (paisag?stico e ambiental) como no campo simb?lico (sentimental e afetivo). A defini??o de um rio urbano e seus aspectos caracter?sticos tamb?m aparece nesse trabalho. Procurou-se evidenciar a rela??o entre rio (?gua e margem) e a popula??o diante das mudan?as ocorridas a partir do primeiro quarto do s?culo XX. Observouse que um espa?o que antes se designava para o lazer e conv?vio social se transformou em um espa?o pouco utilizado e com um grau de urbanidade quase nulo. O que se p?de perceber com o embasamento te?rico e com as entrevistas ? que as complexidades da din?mica morfol?gica do ambiente das cidades refletem nas mudan?as de valores da sociedade que usufru?a e convivia nesses espa?os. O rio limpo e com disponibilidade de acesso ?s suas margens propiciava atividades que hoje se tornam invi?veis, n?o s? pelo pouco espa?o para o conv?vio e encontro social, mas tamb?m pela m? qualidade desses espa?os (tanto das ?guas quanto das margens). Esse estudo procurou compreender a complexidade das rela??es existentes no ?mbito da ?gua no meio urbano, o que envolve aspectos de acessibilidade, apropria??o e uma grande faculdade no campo subjetivo. Perceber essas rela??es, identificar nas pessoas o sentimento de pertencimento de um bem natural e a mudan?a de valores que ocorreram contribuem para uma melhor compreens?o sobre o cen?rio atual da intera??o do ribeir?o Jacar? na cidade e as perspectivas futuras dessa rela??o.
62

Sistema integrado para tomada de decis?o espacial em situa??es de derramamento de ?leo no litoral norte do Estado do RN

Souza, Clen?bio Feitosa de 09 October 2006 (has links)
Made available in DSpace on 2015-03-13T17:08:40Z (GMT). No. of bitstreams: 1 ClenubioFS.pdf: 1330843 bytes, checksum: f44365144a87dbadb85a95129360dfdc (MD5) Previous issue date: 2006-10-09 / The northern coast of Rio Grande do Norte State (RN) shows areas of Potiguar basin with high activity in petroleum industry. With the goal of avoiding and reducing the accident risks with oil it is necessary to understand the natural vulnerability, mapping natural resources and monitoring the oil spill. The use of computational tools for environmental monitoring makes possible better analyses and decisions in political management of environmental preservation. This work shows a methodology for monitoring of environment impacts, with purpose of avoiding and preserving the sensible areas in oil contact. That methodology consists in developing and embedding an integrated computational system. Such system is composed by a Spatial Decision Support System (SDSS). The SDSS shows a computational infrastructure composed by Web System of Geo-Environmental and Geographic Information - SWIGG , the System of Environmental Sensibility Maps for Oil Spill AutoMSA , and the Basic System of Environmental Hydrodynamic ( SisBAHIA a System of Modeling and Numerical Simulating SMNS). In a scenario of oil spill occurred coastwise of Rio Grande do Norte State s northern coast, the integration of such systems will give support to decision agents for managing of environmental impacts. Such support is supplied through a system of supporting to spatial decisions / O litoral norte do Estado do Rio Grande do Norte (RN) apresenta ?reas da bacia Potiguar com intensa atividade da ind?stria petrol?fera. Com a finalidade de prevenir e minimizar os riscos de acidentes com ?leo, faz-se necess?rio compreender a vulnerabilidade natural, mapear os recursos naturais e monitorar os derrames de ?leo. O uso de ferramentas computacionais para o monitoramento ambiental, possibilita uma melhor an?lise e tomada de decis?o no planejamento de pol?ticas de conserva??o ambiental. A presente disserta??o apresenta uma metodologia de trabalho para o monitoramento de impactos ambientais, com o prop?sito de avaliar e proteger as regi?es sens?veis ao contato do ?leo. A metodologia consiste em desenvolver e implantar um sistema integrado, constituindo um Sistema de Apoio ? Decis?o Espacial (SADE). O SADE apresenta uma infra-estrutura computacional composta pelo SWIGG (Sistema Web de Informa??es Geogr?ficas e Geoambientais), o AutoMSA (Automatizador de Mapas de Sensibilidade Ambiental para derramamentos de ?leo) e o Sistema BAse de HIdrodin?mica Ambiental (SisBAHIA um Sistema de Modelagem e Simula??o Num?rica - SMSN). Num cen?rio de derramamento de ?leo ocorrido pr?ximo ?s ?reas costeiras do litoral norte do Estado do RN a integra??o destes sistemas disponibilizar? aos agentes respons?veis pelo gerenciamento dos danos ambientais, um sistema de suporte a tomada de decis?o espacial
63

Geoprocessamento aplicado a gest?o de informa??es territoriais do munic?pio de Grossos-RN :estudo multitemporal do uso e ocupa??o do solo

Nascimento, Sergio Roberto Vital do 30 April 2004 (has links)
Made available in DSpace on 2014-12-17T15:19:58Z (GMT). No. of bitstreams: 1 SergioRVN.pdf: 3914529 bytes, checksum: f675e6634445ab12c769726f659a0a55 (MD5) Previous issue date: 2004-04-30 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / The present work was carried through in the Grossos city - RN and had as main objectives the elaboration of an physicist-ambient, socioeconomic survey and execution a multisecular evaluation of 11 years, between 1986 and 1996, using remote sensing products, to evaluate the modifications of the land use, aiming at the generation of an information database to implementation a geographical information system (GIS) to management the this city. For they had been in such a way raised given referring the two Demographic Censuses carried through by the IBGE (1991 and 2000) and compared, of this form was possible to the accomplishment of an evaluation on the demographic aspects (degree of urbanization, et?ria structure, educational level) and economic (income, habitation, vulnerability, human development). For the ambient physical survey the maps of the natural resources had been confectioned (simplified geology, hydrography, geomorphologi, veget covering, ground association, use and occupation), based in comments of field and orbital products of remote sensoriamento (images Spot-HRVIR, Landsat 5-TM and IKONOS - II), using itself of techniques of digital picture processing. The survey of these data and important in the identification of the potentialities and fragilities of found ecosystems, therefore allows an adequate planning of the partner-economic development by means of an efficient management. The project was part of a partnership between the Grossos city hall the municipal City hall of Grossos - RN and the Geoscience post-graduate program of the UFRN, more specifically the Geomatica laboratory LAGEOMA / O presente trabalho foi realizado no Munic?pio de Grossos RN e teve como principais objetivos ? elabora??o de um levantamento s?cio-econ?mico, f?sico-ambiental e execu??o uma avalia??o multitemporal de 11 anos, entre o per?odo de 1986 e 1996, utilizando-se de produtos de sensores orbitais, para avaliar as modifica??es ocorridas na utiliza??o e ocupa??o do solo, visando a gera??o de uma base informacional para implementa??o de um Sistema de Informa??es Geogr?ficas (SIG) voltado para a gest?o ambiental do referido Munic?pio. Para tanto foram levantados dados referentes a dois Censos Demogr?ficos realizados pelo IBGE (1991 e 2000) e comparados, desta forma foi poss?vel ? realiza??o de uma avalia??o sobre os aspectos demogr?ficos (grau de urbaniza??o, estrutura et?ria, n?vel educacional) e econ?micos (renda, habita??o, vulnerabilidade, desenvolvimento humano). Para o levantamento f?sico ambiental foram confeccionados os mapas dos recursos naturais (geologia simplificada, hidrografia, geomorfologia, cobertura vegetal, associa??o de solos, uso e ocupa??o), baseados em observa??es de campo e produtos orbitais de sensoriamento remoto (imagens SPOT-HRVIR, Landsat 5-TM e IKONOS - II), utilizando-se de t?cnicas de processamento de imagens digitais. O levantamento destes dados e importante na identifica??o das potencialidades e fragilidades dos ecossistemas encontrados, pois permite um planejamento adequado do desenvolvimento s?cio-econ?mico por meio de um gerenciamento eficaz. O projeto fez parte de uma parceria entre a Prefeitura municipal de GrossosRN e o Programa de P?s-gradua??o em Geoci?ncias da UFRN, mais especificamente o Laborat?rio de Geom?tica LAGEOMA

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