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Previous issue date: 2017-02-24 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / O homem sempre buscou instalar sua infraestrutura de ocupa??o, defesa e sobreviv?ncia pr?xima das Zonas Costeiras. A Praia de Ponta Negra, localizada ao Sul da cidade de Natal/RN, ilustra bem o processo praticado pelo homem de ocupa??o das terras por meio da explora??o de recursos naturais, muitas vezes causando altera??es na paisagem mediante o desmatamento, a pr?tica de cortes e aterros para urbaniza??o, especula??o do pre?o da terra e da instala??o de numerosas atividades econ?micas ao longo da praia. A din?mica da ocupa??o de Ponta Negra causou condi??es favor?veis ao crescente processo erosivo que gerou danos f?sicos ao cal?ad?o desta praia. Esta pesquisa tem como objetivo construir uma an?lise integrada da zona costeira da praia de Ponta Negra em Natal/RN. Nesse sentido, o presente estudo ? composto por dois artigos distintos, em que o primeiro se dedica a identificar as modifica??es morfol?gicas da praia de Ponta Negra, no per?odo de 1969 a 2016. Os valores de volume sedimentar do perfil morfol?gico utilizados foram coletados in loco no per?odo de 12 meses (2012/2013). Na identifica??o das fei??es pret?ritas foram consideradas fotografias a?reas obtidas pelo Servi?o A?reo Cruzeiro do Sul, em 1969 e imagens recentes do Google Earth Pro. No processamento das imagens empregou-se t?cnicas de processamento digital de imagens e Sistemas de Informa??es Geogr?fica (SIG). O segundo artigo busca tra?ar um perfil sobre a ocupa??o humana e eventos costeiros na praia de Ponta Negra, tomando como base as not?cias veiculadas no acervo jornal?stico da Tribuna do Norte, no per?odo de 1950 a 2016. Considera-se que o acervo de um jornal pode ser uma fonte informacional que retrata, ainda que parcialmente, um panorama dos importantes eventos ocorridos ao longo do tempo. Isto numa regi?o de uma cidade onde informa??es s?o, muitas vezes, inexistentes. Na constru??o do perfil utilizou-se a t?cnica da an?lise de conte?do, classificando em cinco grandes categorias a an?lise costeira integrada: ocupa??o humana, eventos meteorol?gicos, usos, pol?ticas p?blicas e press?es socioecon?micas. Tamb?m realizou-se a an?lise de correspond?ncia com intuito de associar os anos considerados no estudo das categorias de classifica??o. Adicionalmente, as not?cias classificadas como ?eventos meteorol?gicos? noticiados pelo Jornal foram relacionados qualitativamente ao acumulado de precipita??o conforme os registros da Esta??o Meteorol?gica do Instituto Nacional de Meteorologia, localizada na Universidade Federal do Rio Grande do Norte. O resultado do monitoramento da eros?o no perfil praial e a precipita??o mensal acumulada traz uma correla??o negativa. Quanto aos principais resultados do primeiro artigo, ressalta-se que o processo de avalia??o das fei??es costeiras resultou que em 1969 a mancha urbana representava 16,4% da ?rea de e mais de 60% em 2016. Esse dado corrobora com a hip?tese de que a destrui??o das fei??es de prote??o do ambiente potencializou o processo erosivo. As demais classes apresentaram diminui??o de ?rea, ao contr?rio da mancha urbana. Na classe vegeta??o ocorre diminui??o de 37,2% para 13,6% de cobertura vegetal e esse quadro seria respons?vel pela n?o fixa??o de sedimentos inconsolidados. Os resultados do segundo artigo demonstraram que durante todo o per?odo analisado, houve um aumento no n?mero de not?cias veiculados pelo Jornal. Esse acr?scimo de not?cias sobre a Praia de Ponta Negra ?, inicialmente, notado a partir dos anos 70, momento a partir do qual a praia em tela passa a despontar no notici?rio da m?dia impressa. Percebe-se tamb?m diferen?as nos temas das publica??es ao se compara o primeiro momento do estudo (Anos 50 e 60) e o final do estudo (Anos 2000). no primeiro momento o foco da m?dia era primordialmente quanto ao ?uso e forma de ocupa??o?. Nos anos mais recentes (Anos 2000) o foco passou a evidenciar os ?eventos meteorol?gicos?. Essa mudan?a de foco deve, possivelmente, ter rela??o com o crescimento das discuss?es em torno da mudan?as clim?ticas no mundo, que, com o passar dos anos, tem influenciado fortemente o conte?do jornal?stico. Finalmente, ainda verificou-se eventos erosivos que vieram a destruir partes extensas do cal?ad?o da praia de Ponta Negra. / Man has always sought to install his infrastructure of occupation, defense and survival near the Coastal Zones. Ponta Negra Beach, located in the south of the city of Natal, Rio Grande do Norte, illustrates well the process practiced by the man of land occupation, through the exploitation of natural resources, often causing changes in the landscape with deforestation, the practice of cuts and landfills for urbanization, speculation of the price of land and the installation of numerous economic activities along the beach. The dynamics of the occupation of Ponta Negra caused favorable conditions to the growing erosive process that generated physical damages to the boardwalk of this beach. This research aims to build an integrated analysis of the coastal zone of the beach of Ponta Negra, Natal. In this sense, the present study is composed of two distinct articles, in which the first one is dedicated to identify the morphological changes of the beach of Ponta Negra from 1969 to 2016. The values of sedimentary volume of the morphological profile used were collected locally in the period of 12 months (2012/2013). In the identification of the previous features were considered aerial photographs by the Cruzeiro do Sul Air Service in 1969. In addition, the most recent features were exported from the software Google Earth PRO. We used the technique of remote sensing, digital image processing in Geographic Information System (GIS). The second article seeks to draw a profile on human occupation and coastal events on the beach of Ponta Negra, based on the reports published in the journalistic collection of the Tribuna do Norte from 1950 to 2016. It is considered that the collection from the journal can be an informational source that portray, albeit partially, an overview of the important events that have occurred over time in a region of a city where information is often non-existent. Furthermore, to construct this profile, the content analysis technique was used to classify five categories of integrated coastal analysis: human occupation, meteorological events, uses, public policies and socioeconomic pressures. The correspondence analysis was also performed in order to associate the categories considered in the study. Additionally, the news classified as "meteorological events" reported by the Journal were qualitatively related to the rainfall accumulation observed according to the Meteorological Station records of the National Meteorological Institute located at the Federal University of Rio Grande do Norte. The result of erosion monitoring in the beach profile and the accumulated monthly rainfall has a negative correlation. As for the main results of the first article, it is pointed out that the process of evaluation of the coastal features showedthat in 1969 the urban spot represented 16.4% of the total space cut and in 2016 more than 60%. This asserts the hypothesis that the destruction of environmental protection features has potentiated the erosive process. The other classes showed a decrease of area as opposed to the urban spot. In the vegetation class, there is a decrease from 37.2% to 13.6% and this composition is responsible for the fixation of the unconsolidated sediments. The results of the second article showed that throughout the analyzed period, there was an increase in the number of news stories published by the Journal. This increase in news about Ponta Negra Beach is initially noticed from the 70s, when the beach is always included in the media considered in the study. Differences in the subject of publications are also seen when comparing the first moment of the study (Years 50 and 60) and the end of the study (Years 2000). The initial focus of the media was primarily on "use and form of occupation". In contrast, the focus of the news in the most recent years (Years 2000) have come to highlight the so-called "meteorological events". This change in the focus of the news is possibly related to the increasing importance of discussion on climate change in the world and that over the years has strongly influenced journalistic content.Finally, in addition, there have been erosive events that have destroyed vast parts of the boardwalk from the beach of Ponta Negra.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufrn.br:123456789/23458 |
| Date | 24 February 2017 |
| Creators | Silva, Rafael Victor de Melo |
| Contributors | 05534879491, http://lattes.cnpq.br/3202304089432033, Oliveira, Priscilla Teles de, 05259159403, http://lattes.cnpq.br/9090589941127459, Medeiros, Jacim?ria Fonseca de, 04182416430, http://lattes.cnpq.br/7137009169288085, Andrade, Lara de Melo Barbosa, Silva, Sebasti?o Milton Pinheiro da |
| Publisher | PROGRAMA DE P?S-GRADUA??O EM CI?NCIAS CLIM?TICAS, UFRN, Brasil |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Source | reponame:Repositório Institucional da UFRN, instname:Universidade Federal do Rio Grande do Norte, instacron:UFRN |
| Rights | info:eu-repo/semantics/openAccess |
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