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      Regiões pluviometricamente homogêneas no Brasil Translated title: Rainfall homogeneous areas in Brazil

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          Abstract

          O objetivo deste trabalho foi identificar, no Brasil, regiões homogêneas quanto à distribuição de probabilidades de chuva e assim contribuir para estudos de riscos climáticos na agricultura. As regiões foram delimitadas mediante aplicação da análise de agrupamento hierárquica, com variáveis classificatórias definidas pela proporção de pêntadas secas e por medidas de posição, escala e forma das distribuições de freqüências da quantidade de chuva. A análise de agrupamento permitiu identificar 25 zonas pluviometricamente homogêneas em todo o território brasileiro.

          Translated abstract

          The objective of this work was to identify homogeneous areas in Brazil according to the similarity of their rainfall probability distribution, in order to contribute to the studies of climatic risks in agriculture. These areas were delimited using the hierarchical cluster analysis, with discriminating variables defined by the proportion of dry pentads and by measures of location, scale and shape of the pluviometric frequency distributions. Cluster analysis was able to identify 25 rainfall homogeneous areas in the whole Brazilian territory.

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          Climatologia do Brasil

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            Statistical theory in clustering

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              Analysis and regionalization of northern European winter precipitation based on its relationship with the North Atlantic oscillation

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                pab
                Pesquisa Agropecuária Brasileira
                Pesq. agropec. bras.
                Embrapa Informação Tecnológica (Brasília )
                1678-3921
                April 2005
                : 40
                : 4
                : 311-322
                Affiliations
                [1 ] Pontifícia Universidade Católica do Rio de Janeiro Brazil
                [2 ] Embrapa Informática Agropecuária Brazil
                [3 ] Estocástica-Consultoria e Serviços Técnicos em Estatística Ltda
                Article
                S0100-204X2005000400001
                10.1590/S0100-204X2005000400001
                1d1b4034-7933-4292-8b68-b98740462a56

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-204X&lng=en
                Categories
                AGRICULTURE, DAIRY & ANIMAL SCIENCE
                AGRICULTURE, MULTIDISCIPLINARY

                Animal agriculture,General agriculture
                cluster analysis,rainfall homogeneous zones,climatic risks,análise de agrupamento,zonas pluviometricamente homogêneas,riscos climáticos

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