Modeling of the rainfall and R-Factor for Tocantins State, Brazil

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorAvanzi, Junior Cesar-
Autor(es): dc.creatorViola, Marcelo Ribeiro-
Autor(es): dc.creatorMello, Carlos Rogério de-
Autor(es): dc.creatorGiongo, Marcos Vinicius-
Autor(es): dc.creatorPontes, Lucas Machado-
Data de aceite: dc.date.accessioned2026-02-09T12:44:48Z-
Data de disponibilização: dc.date.available2026-02-09T12:44:48Z-
Data de envio: dc.date.issued2020-05-14-
Data de envio: dc.date.issued2020-05-14-
Data de envio: dc.date.issued2019-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/40899-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1167452-
Descrição: dc.descriptionThe state of Tocantins is inserted in the new Brazilian agricultural frontier and has shown enormous potential for expansion of the agricultural lands. However, there is a lack of more elaborate scientific information for better planning and guide agricultural activities, especially regarding the soil and water conservation. Tocantins has a relevant rainfall spatial variability and, consequently, rainfall erosivity. Thus, this work aimed to develop models to estimate the mean monthly and annual rainfall and means rainfall erosivity factor (R-factor) of the Universal Soil Loss Equation (USLE) for the state of Tocantins. For that, 97 historical series of daily rainfall were studied, considering a standard period of 25 years (1985-2009). The fitting of the models adjustment datasets consists of 86 rain-gauges, out of which, 11 were randomly selected and used solely for model validation. Afterward, maps of these variables were generated based on the regression-kriging procedure. The fitted models presented precision statistical that allow characterizing them as “good quality”, with a coefficient of determination higher than 0.68 for rainfall models and 0.65 for the R-factor model, besides acceptable bias. Therefore, the application of the models can be successfully carried out, aiding the agricultural planning in the state of Tocantins.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherSociedade Brasileira de Ciência do Solo-
Direitos: dc.rightsacesso aberto-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
Direitos: dc.rightshttp://creativecommons.org/licenses/by/4.0/-
???dc.source???: dc.sourceRevista Brasileira de Ciência do Solo-
Palavras-chave: dc.subjectWater erosion-
Palavras-chave: dc.subjectGeostatistics-
Palavras-chave: dc.subjectRegression-kriging-
Palavras-chave: dc.subjectSoil and water conservation-
Palavras-chave: dc.subjectMapping-
Palavras-chave: dc.subjectErosão hídrica-
Palavras-chave: dc.subjectGeoestatística-
Palavras-chave: dc.subjectConservação do solo e da água-
Palavras-chave: dc.subjectMapeamento-
Título: dc.titleModeling of the rainfall and R-Factor for Tocantins State, Brazil-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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