Influência da acurácia de instrumentos de medidas na comparação de métodos de estimativa da evapotranspiração de referência

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dc.contributor.authorTurco, José Eduardo Pitelli [UNESP]
dc.contributor.authorPerecin, Dilermando [UNESP]
dc.contributor.authorPinto Jr., Dorival Leão
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:22:45Z
dc.date.available2014-05-27T11:22:45Z
dc.date.issued2008-01-01
dc.description.abstractThe aim of this investigation was to evaluate four reference methods to estimate evapotranspiration (Makkink, Hargreaves, Class A pan and Radiation), compared tb Penman-Monteith method, that is considered standard by the Food and Agricultural Organization of the United Nations (FAO). Errors due to variable measurements in the reference evapotranspiration estimate were taken into consideration. The research was developed in an experimental area of the Department of Rural Engieering of the School of Agricultural and Veterinarian Sciences, Campus of Jaboticabal, São Paulo State University. An automated weather station was used and it was equipped with sensors to measure global and net radiation, temperature, relative humidity, and wind speed. The aftermath showed a better adjustment to Hargreaves. Makkink, Class A pan and Radiation methods are different from Penman-Monteith, therefore, they cannot be compared. To evaluate methods to estimate evapotranspiration and avoid possible evaluation errors, ETo estimate errors must be considered.en
dc.description.affiliationDepartamento de Engenharia Rural Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista, Jaboticabal, SP
dc.description.affiliationDepartamento de Ciências Exatas Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista, Jaboticabal, SP
dc.description.affiliationInstituto de Ciencias Matematicas e de Computacao Universidade de São Paulo, São Carlos, SP
dc.description.affiliationUnespDepartamento de Engenharia Rural Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista, Jaboticabal, SP
dc.description.affiliationUnespDepartamento de Ciências Exatas Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista, Jaboticabal, SP
dc.format.extent63-80
dc.identifierhttp://200.145.140.50/ojs1/viewarticle.php?id=283&layout=abstract
dc.identifier.citationIrriga, v. 13, n. 1, p. 63-80, 2008.
dc.identifier.file2-s2.0-43549087403.pdf
dc.identifier.issn1413-7895
dc.identifier.issn1808-3765
dc.identifier.lattes7087372884726559
dc.identifier.scopus2-s2.0-43549087403
dc.identifier.urihttp://hdl.handle.net/11449/70232
dc.language.isopor
dc.relation.ispartofIrriga
dc.relation.ispartofsjr0,283
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectClas A Pari e Solar Radiation
dc.subjectHargreaves
dc.subjectMakkink
dc.subjectPenman-Monteith
dc.subjectAtmospheric humidity
dc.subjectAtmospheric radiation
dc.subjectAtmospheric temperature
dc.subjectError analysis
dc.subjectEvapotranspiration
dc.subjectIrrigation
dc.subjectWind
dc.subjectaccuracy assessment
dc.subjectcomparative study
dc.subjectestimation method
dc.subjectevapotranspiration
dc.subjectexperimental study
dc.subjectmeasurement method
dc.subjectnet radiation
dc.subjectPenman-Monteith equation
dc.subjectrelative humidity
dc.subjectsolar radiation
dc.subjectstandard (reference)
dc.subjecttemperature
dc.subjectwind velocity
dc.subjectBrazil
dc.subjectSao Paulo [Brazil]
dc.subjectSouth America
dc.titleInfluência da acurácia de instrumentos de medidas na comparação de métodos de estimativa da evapotranspiração de referênciapt
dc.title.alternativeInfluence of measurement instrument accuracy compared to reference evapotranspiration estimating methodsen
dc.typeArtigo
dcterms.licensehttp://irriga.fca.unesp.br/index.php/irriga/about
unesp.author.lattes7087372884726559
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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Artigos - Engenharia Rural - FCAV
Artigos - Ciências Exatas - FCAV