2017
DOI: 10.1590/0102-77863220001
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Aplicação da Cadeia de Markov para Dias Secos e Chuvosos

Abstract: Resumo A precipitação é um fenômeno meteorológico importante na região Tropical, caracterizada por sua variabilidade espacial-temporal e eventos extremos associados. Assim, a informação prévia da ocorrência de um dia ser seco ou chuvoso é de extrema importância para diversas atividades humanas, em especial a agricultura. O objetivo desse trabalho foi analisar a ocorrência de dias secos e chuvosos na região de Rio Largo–Alagoas, por meio da Cadeia de Markov. Dados diários de precipitação entre 1973 e 2008 foram… Show more

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“…In most of the studies reported in the literature, first and second order Markov chains have been largely used all over the world (Griffin et al, 2017). Nevertheless, the use of Markov chains of an order greater than two is of a great importance because at certain specific-sites occurrences of rainfall at one day might be conditionally dependent on the sequence of dry and rainy days throughout several previous days (Sonnadara & Jayewardene, 2015;Yang et al, 2016;Carvalho et al, 2017). This might happen, for instance, in regions where at certain stages of the crop growing season occurrences of a large number of consecutive days with rainfall or a long series of dry days are frequent (Keller Filho et al, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…In most of the studies reported in the literature, first and second order Markov chains have been largely used all over the world (Griffin et al, 2017). Nevertheless, the use of Markov chains of an order greater than two is of a great importance because at certain specific-sites occurrences of rainfall at one day might be conditionally dependent on the sequence of dry and rainy days throughout several previous days (Sonnadara & Jayewardene, 2015;Yang et al, 2016;Carvalho et al, 2017). This might happen, for instance, in regions where at certain stages of the crop growing season occurrences of a large number of consecutive days with rainfall or a long series of dry days are frequent (Keller Filho et al, 2006).…”
Section: Introductionmentioning
confidence: 99%