SPATIAL VARIABILITY OF PRECIPITATION CORRELATED WITH RELIEF IN RECIFE METROPOLITAN REGION AND SURROUNDING AREAS

Eduardo Cabral Silva

Abstract


The Recife Metropolitan Region (RMR) is located in the eastern portion of northeastern Brazil, which is influenced by causative mechanisms of great totals rainfall. The study of the spatial variability of rainfall in areas with high population density and constructive is essential, once promotes proper planning of mitigation measures of problems related to floods, landslide and water planning. This work aims to study the spatial variability of precipitation in the RMR seasonally, relating it to the relief conditions. The rainfall data were obtained on the website of Agência Pernambucana de Águas e Clima (APAC). The representation of relief was based on the Model Digital Terrain (MDT), available by EMBRAPA. The results show that there is a great seasonal variability of rainfall in RMR and surrounding areas. More than 85% annual rainfall was associated with relief.


Keywords


Pluviometry, spatial, relief

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DOI: https://doi.org/10.29150/jhrs.v6i5.22731

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