2011
DOI: 10.4025/actasciagron.v33i3.6021
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Distribuição de frequência e temporal de chuvas intensas

Abstract: RESUMO.A distribuição generalizada de valores extremos (GEV) tem tido grande aceitação para discrição dos eventos máximos naturais. Estudos sobre o assunto mostram que a distribuição GEV ajusta valores mais próximos à realidade quando há necessidade de extrapolação dos dados amostrais para grandes períodos de retornos e com o intuito de contribuir para o planejamento de atividades que são influenciadas pela intensidade de água precipitada foi ajustado um modelo de distribuição de probabilidade de chuva intensa… Show more

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citations
Cited by 11 publications
(10 citation statements)
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References 12 publications
(7 reference statements)
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“…The only method that enabled us to identify adequacy for all stations was the LM associated to the GEV distribution. Similar results were obtained by Beijo;Vivanco andMuniz (2009), Blain (2011) andQuadros;Queiroz and Vilas Boas (2011), proving the great performance of this PDF for maximum daily rainfall. However, these results are different from those obtained by Blain and Camargo (2012), pointing to the GEV -ML with better performance.…”
supporting
confidence: 75%
“…The only method that enabled us to identify adequacy for all stations was the LM associated to the GEV distribution. Similar results were obtained by Beijo;Vivanco andMuniz (2009), Blain (2011) andQuadros;Queiroz and Vilas Boas (2011), proving the great performance of this PDF for maximum daily rainfall. However, these results are different from those obtained by Blain and Camargo (2012), pointing to the GEV -ML with better performance.…”
supporting
confidence: 75%
“…Distribuição de frequência à série histórica de precipitação máxima diária anual da estação de Aiuruoca, MG pelas distribuições de probabilidade (A) distribuição de Gumbel, (B) distribuição Gama e (C) distribuição GEV empregando-se os diferentes métodos de estimativa dos parâmetros Tabela 2. Adequabilidade das distribuições de probabilidades para as séries históricas de precipitação máxima diária anual, para a Bacia do Rio Verde, Minas Gerais Quadros et al (2011) e Al Hassoun & Saleh (2011).…”
Section: Precipitação Máxima Diária Anual (Mm)unclassified
“…This result might be derived from the small number of years used to adjust the N-year series, what may have had a reflection on the N+M year series parameter values. QUADROS et al (2011) adjusted maximum rainfall series for Cascavel (PR), in Brazil, using GEV and Gumbel probability distributions, considering a period of 22 years. These authors established that long-term data series are required to enable considerations of frequencies as probabilities, since the probabilistic laws are synthetic and are intended to describe general characteristics of facts.…”
Section: Resultsmentioning
confidence: 99%
“…For this purpose, the Gumbel's theoretical probability distribution was used in association with return periods of 5, 10, 20, 50 and 100 years (QUADROS et al, 2011). Then, this annual maximum daily rainfall was disaggregated into periods of 10,20,30,40,50,60,120,360,720 and 1440 min by relation methods (TEIXEIRA et al, 2011).…”
Section: Methodsmentioning
confidence: 99%