AVERAGE MONTHLY AND ANNUAL RAINFALL IN THE POLITICAL-ADMINISTRATIVE REGIONS OF BRAZIL - DOI: 10.13083/1414-3984/reveng.v23n2p169-175

Authors

  • Rafael Alvarenga Almeida
  • Silvio Bueno Pereira
  • Clivia Dias Coelho
  • Damásio Alexandre Nunes de Souza

DOI:

https://doi.org/10.13083/reveng.v23i2.557

Keywords:

capitais brasileiras, comportamento pluvial, chuvas

Abstract

Knowing the distribution of rainfall over time is crucial to quantify the availability of water. This work sought to analyze the behavior of monthly rainfall in five political-administrative regions of Brazil, and compare the annual and monthly behavior of the average rainfall data considering the climatological normal (1961-1990) and historical series of rainfall seasons (1990-2012) for Brazilian capitals. From these data, graphs of average monthly precipitation distributions were generated. With respect to variations obtained for different time series and different numbers of years analyzed, a similar behavior was found to that obtained for distribution of rainfall throughout the year. It was also observed that there is a different behavior with respect to the average monthly rainfall in political-administrative regions of Brazil, where there is a constant homogeneous distribution in the southern region, a symmetric and unimodal behavior for the Southeast, North and Midwest regions, and a symmetrical bimodal behavior in the Northeast region.

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Published

2015-04-30

How to Cite

Almeida, R. A., Pereira, S. B., Coelho, C. D., & Souza, D. A. N. de. (2015). AVERAGE MONTHLY AND ANNUAL RAINFALL IN THE POLITICAL-ADMINISTRATIVE REGIONS OF BRAZIL - DOI: 10.13083/1414-3984/reveng.v23n2p169-175. Engineering in Agriculture, 23(2), 169–175. https://doi.org/10.13083/reveng.v23i2.557

Issue

Vol. 23 No. 2 (2015)

Section

Water and environmental resources

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