EVENTOS PLUVIMÉTRICOS INTENSOS E IMPACTOS GERADOS NA CIDADE DE CURITIBA/PR - BAIRRO CAJURU: um destaque para as inundações urbanas (intense rainfall events and generated impacts in the Curitiba city/PR – Cajuru neighborhood: emphasis on urban flooding)
Abstract
Este artigo trata dos eventos pluviométricos intensos e dos conseqüentes impactos gerados na cidade de Curitiba, destacando-se na análise o bairro Cajuru, em áreas de risco de inundação localizadas às margens do rio Atuba. A base teórico-metodológica utilizada compreende o Sistema Clima Urbano de Monteiro (1976, 2003), por meio do canal de percepção do impacto meteórico – Subsistema hidrodinâmico – valorizando os episódios mais intensos. De acordo com os resultados da pesquisa, observou-se um aumento do número de eventos pluviométricos iguais e superiores a 60mm/24h nas últimas décadas. Os registros de impactos nos jornais também aumentaram, o que pode estar indicando uma intensificação do problema, atingindo um maior número de locais e pessoas em virtude da ampliação, em grande escala, das áreas de risco.
Palavras- chaves: Clima urbano, eventos pluviométricos intensos, inundações urbanas.
ABSTRACT
This article is about the intensive pluviometric events and the consequent impacts occurred in Cajuru, Curitiba city, in areas with inundation risks located on the shore of Atuba river. The theoretical-metodological bases used in this analysis is from the Urban Climate System by Monteiro (1976, 2003), through the perception channel of the meteorical impact – hydrodynamic subsystem - valuing the most intensive episodes. Acfcording to the results of the research is was observed an increase in the number of similar pluviometric events and higher than 60mm/24h in the lastest decades. The registers on the news about the impacts also raised, which may be indicating an intensification of the problem reaching a larger number of places and people because of the mpliation, in large scale, of risky areas.
Key words: Urban climate, intensive pluviometric events,urban inundations
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