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Multiscale Complexity Analysis of Rainfall in Northeast Brazil

Departamento de Estatística e Informática, Universidade Federal Rural de Pernambuco, Av. Manoel Medeiros S/N, Dois Irmãos, Recife 52171-900, PE, Brazil
Departamento de Energia Nuclear, Universidade Federal de Pernambuco, Moraes Rego 1235, Cidade Universitária, Recife 50670-901, PE, Brazil
Authors to whom correspondence should be addressed.
Academic Editors: Krzysztof Kochanek and Iwona Markiewicz
Water 2021, 13(22), 3213;
Received: 20 September 2021 / Revised: 31 October 2021 / Accepted: 10 November 2021 / Published: 12 November 2021
(This article belongs to the Special Issue Statistical Approach to Hydrological Analysis)
In this work, we analyze the complexity of monthly rainfall temporal series recorded from 1962 to 2012, at 133 gauge stations in the state of Pernambuco, northeastern Brazil. To this end, we employ the modified multiscale entropy method (MMSE), which is well suited for short time series, to analyze the rainfall regularity across a wide range of temporal scales, from one month to one year. We identify the temporal scales that distinguish rainfall regularity in the inland semiarid Sertão region, the transitional inland Agreste region, and the coastal, tropical humid Zona da Mata region, by comparing the results for stations across the study area and performing statistical significance tests. Our work contributes to the establishment of multiscale methods based on information theory in climatological studies. View Full-Text
Keywords: rainfall; sample entropy; multiscale entropy rainfall; sample entropy; multiscale entropy
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MDPI and ACS Style

Silva, A.S.A.d.; Barreto, I.D.d.C.; Cunha-Filho, M.; Menezes, R.S.C.; Stosic, B.; Stosic, T. Multiscale Complexity Analysis of Rainfall in Northeast Brazil. Water 2021, 13, 3213.

AMA Style

Silva ASAd, Barreto IDdC, Cunha-Filho M, Menezes RSC, Stosic B, Stosic T. Multiscale Complexity Analysis of Rainfall in Northeast Brazil. Water. 2021; 13(22):3213.

Chicago/Turabian Style

Silva, Antonio S.A.d., Ikaro D.d.C. Barreto, Moacyr Cunha-Filho, Rômulo S.C. Menezes, Borko Stosic, and Tatijana Stosic. 2021. "Multiscale Complexity Analysis of Rainfall in Northeast Brazil" Water 13, no. 22: 3213.

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