A Influência da Convecção Rasa na Distribuição Espacial da Precipitação Sobre uma Região Urbanizada (The Influence of the Shallow Convection on the Areal Precipitation Distribution of an Urbanized Region: A Case Study for Recife-PE)
DOI:
https://doi.org/10.26848/rbgf.v6.6.p1574-1585Abstract
A distribuição espacial da precipitação para todo o entorno da Região Metropolitana do recife - RMR é estudada neste trabalho, através da modelagem numérica da atmosfera, utilizando o modelo Brazilian Developments on the Regional Atmospheric Modeling System – BRAMS acoplado ao Town Energy Budget –TEB. Foram estudados dois casos distintos, um para o período de tempo seco e outro para um episódio chuvoso. Para entender o efeito individual da dinâmica da cidade e o da convecção rasa, assim como a sua interação não linear, foi utilizado o método de separação de fatores proposto por Stein e Alpert (1993). A consideração do efeito conjunto da dinâmica urbana e dos cúmulos rasos produzem resultados mais realistas, mostrando que a cidade pode contribuir para aumentar ou diminuir a precipitação, dependendo do momento em que os eventos chuvosos ocorrem.
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