Estimating daily global radiation from common meteorological variables in a humid subtropical environment
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.31413/nativa.v7i6.7948 http://hdl.handle.net/11449/196328 |
Resumo: | Knowledge of solar potential is essential in the design and simulation of systems that convert solar radiation in electric power or available heat in fluids, as well as in agricultural studies focused on irrigation management and potential productivity assessment. Oftentimes, information about solar radiation are not available and, therefore, it becomes important the development of methods for obtain reliable data of solar radiation. The present study evaluated the performance of different methods of estimating global solar radiation (RG) in a Brazilian humid subtropical environment in order to determine which is more accurate. The meteorological databases used were registered by the automatic meteorological station belonging to the National Institute of Meteorology (INMET) and installed in Iguape, a municipality located in the Sao Paulo portion in the Ribeira Valley. Empirical models were calibrated and taken as reference in the performance evaluation of the Support Vector Machine (SVM) using different sets of input variables. Among the tested methods, the SVM using the set of input variables {R-0, T-max, T-min, e(smax), e(smin)} presented the best performance. |
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Repositório Institucional da UNESP |
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Estimating daily global radiation from common meteorological variables in a humid subtropical environmentempirical modelsRibeira ValleySVMKnowledge of solar potential is essential in the design and simulation of systems that convert solar radiation in electric power or available heat in fluids, as well as in agricultural studies focused on irrigation management and potential productivity assessment. Oftentimes, information about solar radiation are not available and, therefore, it becomes important the development of methods for obtain reliable data of solar radiation. The present study evaluated the performance of different methods of estimating global solar radiation (RG) in a Brazilian humid subtropical environment in order to determine which is more accurate. The meteorological databases used were registered by the automatic meteorological station belonging to the National Institute of Meteorology (INMET) and installed in Iguape, a municipality located in the Sao Paulo portion in the Ribeira Valley. Empirical models were calibrated and taken as reference in the performance evaluation of the Support Vector Machine (SVM) using different sets of input variables. Among the tested methods, the SVM using the set of input variables {R-0, T-max, T-min, e(smax), e(smin)} presented the best performance.Univ Estadual Paulista, Campus Expt Registro, Registro, SP, BrazilUniv Fed Para, Altamira, PA, BrazilUniv Estadual Paulista, Fac Ciencias Agron, Botucatu, SP, BrazilUniv Estadual Paulista, Campus Expt Registro, Registro, SP, BrazilUniv Estadual Paulista, Fac Ciencias Agron, Botucatu, SP, BrazilUniv Federal Mato GrossoUniversidade Estadual Paulista (Unesp)Univ Fed ParaTeramoto, Erico Tadao [UNESP]Silva e Cunha, Darllan Collins da [UNESP]Santos, Cicero Manoel dosMachado, Levi Pompermayer [UNESP]Escobedo, Joao Franscisco [UNESP]2020-12-10T19:41:05Z2020-12-10T19:41:05Z2019-11-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article693-701http://dx.doi.org/10.31413/nativa.v7i6.7948Nativa. Sinop: Univ Federal Mato Grosso, v. 7, n. 6, p. 693-701, 2019.2318-7670http://hdl.handle.net/11449/19632810.31413/nativa.v7i6.7948WOS:000496537800010Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporNativainfo:eu-repo/semantics/openAccess2024-05-03T13:20:10Zoai:repositorio.unesp.br:11449/196328Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-05-03T13:20:10Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
title |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
spellingShingle |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment Teramoto, Erico Tadao [UNESP] empirical models Ribeira Valley SVM |
title_short |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
title_full |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
title_fullStr |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
title_full_unstemmed |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
title_sort |
Estimating daily global radiation from common meteorological variables in a humid subtropical environment |
author |
Teramoto, Erico Tadao [UNESP] |
author_facet |
Teramoto, Erico Tadao [UNESP] Silva e Cunha, Darllan Collins da [UNESP] Santos, Cicero Manoel dos Machado, Levi Pompermayer [UNESP] Escobedo, Joao Franscisco [UNESP] |
author_role |
author |
author2 |
Silva e Cunha, Darllan Collins da [UNESP] Santos, Cicero Manoel dos Machado, Levi Pompermayer [UNESP] Escobedo, Joao Franscisco [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Univ Fed Para |
dc.contributor.author.fl_str_mv |
Teramoto, Erico Tadao [UNESP] Silva e Cunha, Darllan Collins da [UNESP] Santos, Cicero Manoel dos Machado, Levi Pompermayer [UNESP] Escobedo, Joao Franscisco [UNESP] |
dc.subject.por.fl_str_mv |
empirical models Ribeira Valley SVM |
topic |
empirical models Ribeira Valley SVM |
description |
Knowledge of solar potential is essential in the design and simulation of systems that convert solar radiation in electric power or available heat in fluids, as well as in agricultural studies focused on irrigation management and potential productivity assessment. Oftentimes, information about solar radiation are not available and, therefore, it becomes important the development of methods for obtain reliable data of solar radiation. The present study evaluated the performance of different methods of estimating global solar radiation (RG) in a Brazilian humid subtropical environment in order to determine which is more accurate. The meteorological databases used were registered by the automatic meteorological station belonging to the National Institute of Meteorology (INMET) and installed in Iguape, a municipality located in the Sao Paulo portion in the Ribeira Valley. Empirical models were calibrated and taken as reference in the performance evaluation of the Support Vector Machine (SVM) using different sets of input variables. Among the tested methods, the SVM using the set of input variables {R-0, T-max, T-min, e(smax), e(smin)} presented the best performance. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-11-01 2020-12-10T19:41:05Z 2020-12-10T19:41:05Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.31413/nativa.v7i6.7948 Nativa. Sinop: Univ Federal Mato Grosso, v. 7, n. 6, p. 693-701, 2019. 2318-7670 http://hdl.handle.net/11449/196328 10.31413/nativa.v7i6.7948 WOS:000496537800010 |
url |
http://dx.doi.org/10.31413/nativa.v7i6.7948 http://hdl.handle.net/11449/196328 |
identifier_str_mv |
Nativa. Sinop: Univ Federal Mato Grosso, v. 7, n. 6, p. 693-701, 2019. 2318-7670 10.31413/nativa.v7i6.7948 WOS:000496537800010 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Nativa |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
693-701 |
dc.publisher.none.fl_str_mv |
Univ Federal Mato Grosso |
publisher.none.fl_str_mv |
Univ Federal Mato Grosso |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799965116714713088 |