Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho
Ano de defesa: | 2017 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , , , |
Tipo de documento: | Tese |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
Centro de Ciências Naturais e Exatas |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Física
|
Departamento: |
Física
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/21176 |
Resumo: | The incident long wave radiation flux (L ↓) is a parameter that directly influences the radiation balance on the surface. Measures of this variable are scarce, where the use of classical equations may be an alternative to estimate it. In this way, this work aims to evaluate the performance of classic equations present in the literature and propose a new equation to describe L ↓ about the study areas located in Pampa do Sul do Brasil. First, twelve equations of L ↓ were evaluated for the experimental site of Santa Maria - RS, where we found errors above 20 W m-2. In the attempt to reduce the errors were associated to the models of L ↓ cloud coverage parametrizations. Only under cloudy conditions (NC) the errors were lower than the threshold. Thus, a local calibration of the coefficients of the equations of L ↓, as well as the cloud cover parameters, was necessary. However, the results found after these calibrations did not present values very different from those previously found. A new equation is proposed which uses relative humidity, air temperature and water vapor pressure without the need for cloud coverage parametrizations. Data from the year 2014 of the experimental site of Santa Maria - RS were used to calibrate the equation and data from the year 2015 to validate it. Data from the Pedras Altas-RS site were used to test the new L ↓. The equation proposed in this study (EAI) presented statistical values of RMSE ranging from 12 to 19 W m -2 and R2 between 0.65 and 0.84. We have tested models already described in the literature of L ↓ for regions of Pampa and the EAI equation presented better results. The proposed equation was tested to analyze the radiation balance of the SIB2 model. The results show that the use of the new equation considerably improves the values of the radiation balance of SIB2. Therefore, we recommend the use of the proposed equation for the calculation of L ↓, when presented vegetation cover and meteorological conditions similar to those of this study. |
id |
UFSM_79091c2e2f500238cddf84fbbf645b05 |
---|---|
oai_identifier_str |
oai:repositorio.ufsm.br:1/21176 |
network_acronym_str |
UFSM |
network_name_str |
Biblioteca Digital de Teses e Dissertações do UFSM |
repository_id_str |
|
spelling |
2021-06-22T13:31:27Z2021-06-22T13:31:27Z2017-12-20http://repositorio.ufsm.br/handle/1/21176The incident long wave radiation flux (L ↓) is a parameter that directly influences the radiation balance on the surface. Measures of this variable are scarce, where the use of classical equations may be an alternative to estimate it. In this way, this work aims to evaluate the performance of classic equations present in the literature and propose a new equation to describe L ↓ about the study areas located in Pampa do Sul do Brasil. First, twelve equations of L ↓ were evaluated for the experimental site of Santa Maria - RS, where we found errors above 20 W m-2. In the attempt to reduce the errors were associated to the models of L ↓ cloud coverage parametrizations. Only under cloudy conditions (NC) the errors were lower than the threshold. Thus, a local calibration of the coefficients of the equations of L ↓, as well as the cloud cover parameters, was necessary. However, the results found after these calibrations did not present values very different from those previously found. A new equation is proposed which uses relative humidity, air temperature and water vapor pressure without the need for cloud coverage parametrizations. Data from the year 2014 of the experimental site of Santa Maria - RS were used to calibrate the equation and data from the year 2015 to validate it. Data from the Pedras Altas-RS site were used to test the new L ↓. The equation proposed in this study (EAI) presented statistical values of RMSE ranging from 12 to 19 W m -2 and R2 between 0.65 and 0.84. We have tested models already described in the literature of L ↓ for regions of Pampa and the EAI equation presented better results. The proposed equation was tested to analyze the radiation balance of the SIB2 model. The results show that the use of the new equation considerably improves the values of the radiation balance of SIB2. Therefore, we recommend the use of the proposed equation for the calculation of L ↓, when presented vegetation cover and meteorological conditions similar to those of this study.O fluxo de radiação de onda longa incidente (L↓) é um parâmetro que influencia diretamente o balanço de radiação na superfície. Medidas desta variável são escassas, onde o emprego de equações clássicas podem ser uma alternativa para estimá-la. Desta forma, este trabalho tem como objetivo avaliar o desempenho de equações clássicas presentes na literatura e propor uma nova equação para descrever L↓ sobre as áreas de estudo localizadas no Pampa do Sul do Brasil. Primeiramente foram avaliadas doze equações de L↓ para o sítio experimental de Santa Maria – RS, onde encontramos erros acima de 20 W m-2. Na tentativa de reduzir os erros foram associadas aos modelos de L↓ parametrizações de cobertura de nuvens. Somente em condições de céu nublado (CN) os erros foram inferiores ao limiar. Sendo assim, fez-se necessário uma calibração local dos coeficientes das equações de L↓, bem como dos parâmetros de cobertura de nuvens. Entretanto, os resultados encontrados após estas calibrações não apresentaram valores muito diferentes dos encontrados anteriormente. Uma nova equação é proposta a qual utiliza a umidade relativa, a temperatura do ar e a pressão de vapor d’água sem necessidade de parametrizações de cobertura de nuvens. Foram utilizados dados do ano de 2014 do sitio experimental de Santa Maria – RS para calibrar a equação e dados do ano de 2015 para valida-la. Utilizaram-se dados do sítio de Pedras Altas – RS para testar à nova L↓. A equação proposta neste estudo (EAI) apresentou valores estatísticos de RMSE que varia entre 12 a 19 W m-2 e R2 entre 0,65 a 0,84. Foram testados modelos já descritos na literatura de L↓ para regiões de Pampa e a equação EAI apresentou melhores resultados. A equação proposta foi testada para analisar o saldo de radiação do modelo SIB2. Os resultados mostram que o uso da nova equação melhora consideravelmente os valores do saldo de radiação do SIB2. Portanto, recomendamos a utilização da equação proposta para o cálculo de L↓, quando apresentadas coberturas vegetais e condições meteorológicas semelhantes às deste estudo.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de Ciências Naturais e ExatasPrograma de Pós-Graduação em FísicaUFSMBrasilFísicaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessFluxo de radiação de onda longa incidenteEquação EAIModelo SIB2Incident long wave radiation fluxEAI equationModel SIB2CNPQ::CIENCIAS EXATAS E DA TERRA::FISICAEstimativas da radiação de onda longa incidente na Região de Pampa GaúchoEstimates of long wave incident radiation in the Pampa Gaúcho Regioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisRoberti, Débora Reginahttp://lattes.cnpq.br/6952076109453197Maldaner, SilvanaMedeiros, Luiz EduardoTeichrieb, Claudio AlbertoBodmann, Bardo Ernst JosefDemarco, Giulianohttp://lattes.cnpq.br/8173221336465627Aimi, Daniele Morgenstern10050000000660060060060060060060060011763c92-2ca9-4d8f-acea-5a15459427f8fa375900-bbcb-4e12-8ab6-707687251c1f7c6638cb-f6c6-4c61-b413-93a08e049ff1f4aa8c8c-a334-42a3-842c-8cc4c67671be47758110-c7b0-4e47-95d7-3aa965cb34593521f574-cd6b-48d3-9e2b-39708c1a690830706755-f11e-4393-abf3-ce00e4050bd1reponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALTES_PPGFISICA_2017_AIMI_DANIELE.pdfTES_PPGFISICA_2017_AIMI_DANIELE.pdfTeseapplication/pdf2239824http://repositorio.ufsm.br/bitstream/1/21176/1/TES_PPGFISICA_2017_AIMI_DANIELE.pdf47b1262a30d5f9cec1cb31482ee363d6MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8805http://repositorio.ufsm.br/bitstream/1/21176/2/license_rdf4460e5956bc1d1639be9ae6146a50347MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-81956http://repositorio.ufsm.br/bitstream/1/21176/3/license.txt2f0571ecee68693bd5cd3f17c1e075dfMD53TEXTTES_PPGFISICA_2017_AIMI_DANIELE.pdf.txtTES_PPGFISICA_2017_AIMI_DANIELE.pdf.txtExtracted texttext/plain138543http://repositorio.ufsm.br/bitstream/1/21176/4/TES_PPGFISICA_2017_AIMI_DANIELE.pdf.txtf7bd803332e29882e2908c018ddd1ef2MD54THUMBNAILTES_PPGFISICA_2017_AIMI_DANIELE.pdf.jpgTES_PPGFISICA_2017_AIMI_DANIELE.pdf.jpgIM Thumbnailimage/jpeg4406http://repositorio.ufsm.br/bitstream/1/21176/5/TES_PPGFISICA_2017_AIMI_DANIELE.pdf.jpg62b5841e8ea4d7de21350d0f6c11f49dMD551/211762021-06-23 03:03:26.171oai:repositorio.ufsm.br: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 Digital de Teses e Dissertaçõeshttps://repositorio.ufsm.br/ONGhttps://repositorio.ufsm.br/oai/requestatendimento.sib@ufsm.br||tedebc@gmail.comopendoar:2021-06-23T06:03:26Biblioteca Digital de Teses e Dissertações do UFSM - Universidade Federal de Santa Maria (UFSM)false |
dc.title.por.fl_str_mv |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
dc.title.alternative.eng.fl_str_mv |
Estimates of long wave incident radiation in the Pampa Gaúcho Region |
title |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
spellingShingle |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho Aimi, Daniele Morgenstern Fluxo de radiação de onda longa incidente Equação EAI Modelo SIB2 Incident long wave radiation flux EAI equation Model SIB2 CNPQ::CIENCIAS EXATAS E DA TERRA::FISICA |
title_short |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
title_full |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
title_fullStr |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
title_full_unstemmed |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
title_sort |
Estimativas da radiação de onda longa incidente na Região de Pampa Gaúcho |
author |
Aimi, Daniele Morgenstern |
author_facet |
Aimi, Daniele Morgenstern |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Roberti, Débora Regina |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6952076109453197 |
dc.contributor.advisor-co1.fl_str_mv |
Maldaner, Silvana |
dc.contributor.referee1.fl_str_mv |
Medeiros, Luiz Eduardo |
dc.contributor.referee2.fl_str_mv |
Teichrieb, Claudio Alberto |
dc.contributor.referee3.fl_str_mv |
Bodmann, Bardo Ernst Josef |
dc.contributor.referee4.fl_str_mv |
Demarco, Giuliano |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/8173221336465627 |
dc.contributor.author.fl_str_mv |
Aimi, Daniele Morgenstern |
contributor_str_mv |
Roberti, Débora Regina Maldaner, Silvana Medeiros, Luiz Eduardo Teichrieb, Claudio Alberto Bodmann, Bardo Ernst Josef Demarco, Giuliano |
dc.subject.por.fl_str_mv |
Fluxo de radiação de onda longa incidente Equação EAI Modelo SIB2 |
topic |
Fluxo de radiação de onda longa incidente Equação EAI Modelo SIB2 Incident long wave radiation flux EAI equation Model SIB2 CNPQ::CIENCIAS EXATAS E DA TERRA::FISICA |
dc.subject.eng.fl_str_mv |
Incident long wave radiation flux EAI equation Model SIB2 |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS EXATAS E DA TERRA::FISICA |
description |
The incident long wave radiation flux (L ↓) is a parameter that directly influences the radiation balance on the surface. Measures of this variable are scarce, where the use of classical equations may be an alternative to estimate it. In this way, this work aims to evaluate the performance of classic equations present in the literature and propose a new equation to describe L ↓ about the study areas located in Pampa do Sul do Brasil. First, twelve equations of L ↓ were evaluated for the experimental site of Santa Maria - RS, where we found errors above 20 W m-2. In the attempt to reduce the errors were associated to the models of L ↓ cloud coverage parametrizations. Only under cloudy conditions (NC) the errors were lower than the threshold. Thus, a local calibration of the coefficients of the equations of L ↓, as well as the cloud cover parameters, was necessary. However, the results found after these calibrations did not present values very different from those previously found. A new equation is proposed which uses relative humidity, air temperature and water vapor pressure without the need for cloud coverage parametrizations. Data from the year 2014 of the experimental site of Santa Maria - RS were used to calibrate the equation and data from the year 2015 to validate it. Data from the Pedras Altas-RS site were used to test the new L ↓. The equation proposed in this study (EAI) presented statistical values of RMSE ranging from 12 to 19 W m -2 and R2 between 0.65 and 0.84. We have tested models already described in the literature of L ↓ for regions of Pampa and the EAI equation presented better results. The proposed equation was tested to analyze the radiation balance of the SIB2 model. The results show that the use of the new equation considerably improves the values of the radiation balance of SIB2. Therefore, we recommend the use of the proposed equation for the calculation of L ↓, when presented vegetation cover and meteorological conditions similar to those of this study. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017-12-20 |
dc.date.accessioned.fl_str_mv |
2021-06-22T13:31:27Z |
dc.date.available.fl_str_mv |
2021-06-22T13:31:27Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/21176 |
url |
http://repositorio.ufsm.br/handle/1/21176 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
100500000006 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 600 600 600 600 |
dc.relation.authority.fl_str_mv |
11763c92-2ca9-4d8f-acea-5a15459427f8 fa375900-bbcb-4e12-8ab6-707687251c1f 7c6638cb-f6c6-4c61-b413-93a08e049ff1 f4aa8c8c-a334-42a3-842c-8cc4c67671be 47758110-c7b0-4e47-95d7-3aa965cb3459 3521f574-cd6b-48d3-9e2b-39708c1a6908 30706755-f11e-4393-abf3-ce00e4050bd1 |
dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Naturais e Exatas |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Física |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Física |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Naturais e Exatas |
dc.source.none.fl_str_mv |
reponame:Biblioteca Digital de Teses e Dissertações do UFSM instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Biblioteca Digital de Teses e Dissertações do UFSM |
collection |
Biblioteca Digital de Teses e Dissertações do UFSM |
bitstream.url.fl_str_mv |
http://repositorio.ufsm.br/bitstream/1/21176/1/TES_PPGFISICA_2017_AIMI_DANIELE.pdf http://repositorio.ufsm.br/bitstream/1/21176/2/license_rdf http://repositorio.ufsm.br/bitstream/1/21176/3/license.txt http://repositorio.ufsm.br/bitstream/1/21176/4/TES_PPGFISICA_2017_AIMI_DANIELE.pdf.txt http://repositorio.ufsm.br/bitstream/1/21176/5/TES_PPGFISICA_2017_AIMI_DANIELE.pdf.jpg |
bitstream.checksum.fl_str_mv |
47b1262a30d5f9cec1cb31482ee363d6 4460e5956bc1d1639be9ae6146a50347 2f0571ecee68693bd5cd3f17c1e075df f7bd803332e29882e2908c018ddd1ef2 62b5841e8ea4d7de21350d0f6c11f49d |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Biblioteca Digital de Teses e Dissertações do UFSM - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
atendimento.sib@ufsm.br||tedebc@gmail.com |
_version_ |
1793240140280233984 |