Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy

Detalhes bibliográficos
Autor(a) principal: Rosso, Silviana
Data de Publicação: 2016
Outros Autores: Muniz, Graciela Ines Bolzon de, Matos, Jorge Luis Monteiro de, Haselein, Clóvis Roberto, Hein, Paulo Ricardo Gherardi, Lopes, Merielen de Carvalho
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFLA
Texto Completo: http://www.cerne.ufla.br/site/index.php/CERNE/article/view/947
http://repositorio.ufla.br/jspui/handle/1/14544
Resumo:  This study aimed to analyze use of near infrared spectroscopy (NIRS) to estimate wood density of Eucalyptus grandis. For that, 66 27-year-old trees were logged and central planks were removed from each log. Test pieces 2.5 x 2.5 x 5.0 cm in size were removed from the base of each plank, in the pith-bark direction, and subjected to determination of bulk and basic density at 12% moisture (dry basis), followed by spectral readings in the radial, tangential and transverse directions using a Bruker Tensor 37 infrared spectrophotometer. The calibration to estimate wood density was developed based on the matrix of spectra obtained from the radial face, containing 216 samples. The partial least squares regression to estimate bulk wood density of Eucalyptus grandis provided a coefficient of determination of validation of 0.74 and a ratio performance deviation of 2.29. Statistics relating to the predictive models had adequate magnitudes for estimating wood density from unknown samples, indicating that the above technique has potential for use in replacement of conventional testing. 
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spelling Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopyPredição da massa específica de Eucalyptus grandis W. Hill ex Maiden por espectroscopia no infravermelho próximoNear infrared spectroscopyEucalyptus - Bulk densityHardwoodEucalyptus - Densidade aparente This study aimed to analyze use of near infrared spectroscopy (NIRS) to estimate wood density of Eucalyptus grandis. For that, 66 27-year-old trees were logged and central planks were removed from each log. Test pieces 2.5 x 2.5 x 5.0 cm in size were removed from the base of each plank, in the pith-bark direction, and subjected to determination of bulk and basic density at 12% moisture (dry basis), followed by spectral readings in the radial, tangential and transverse directions using a Bruker Tensor 37 infrared spectrophotometer. The calibration to estimate wood density was developed based on the matrix of spectra obtained from the radial face, containing 216 samples. The partial least squares regression to estimate bulk wood density of Eucalyptus grandis provided a coefficient of determination of validation of 0.74 and a ratio performance deviation of 2.29. Statistics relating to the predictive models had adequate magnitudes for estimating wood density from unknown samples, indicating that the above technique has potential for use in replacement of conventional testing. Conduziu-se este estudo, com o objetivo de analisar a espectroscopia no infravermelho próximo (NIR) aplicada à predição da massa especifica da madeira de Eucalyptus grandis. Foram coletadas 66 árvores, com 27 anos de idade, transformadas em pranchões centrais e, da base de cada pranchão foram retirados os corpos de prova, medindo 2,5 x 2,5 x 5,0 cm, no sentido medula-casca, destinados à determinação da massa especifica (aparente e básica ambas a 12% de umidade base seca) e, posterior obtenção dos espectros em espectrofotômetro de infravermelho, da marca Bruker, Tensor 37, conforme os sentidos radial, tangencial e transversal. A calibração para predizer a massa específica da madeira foi ajustada a partir da matriz de espectros obtidos a partir da face radial contendo 216 amostras. A regressão dos mínimos quadrados parciais para a estimativa da massa especifica aparente da madeira de Eucalyptus grandis apresentou coeficiente de determinação em validação de 0,74 e relação de desempenho do desvio de 2,29. As estatísticas associadas aos modelos preditivos apresentaram magnitudes adequadas para estimar a densidade da madeira de amostras desconhecidas, indicando que a técnica tem potencial para substituir os ensaios convencionais.CERNE2016-04-062017-08-01T20:15:13Z2017-08-01T20:15:13Z2017-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttp://www.cerne.ufla.br/site/index.php/CERNE/article/view/947ROSSO, S. et al. Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy. Cerne, Lavras, v. 19, n. 4, p. 647-652, out./dez. 2013.http://repositorio.ufla.br/jspui/handle/1/14544CERNE; Vol 19 No 4 (2013); 647-652CERNE; Vol 19 No 4 (2013); 647-6522317-63420104-7760reponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAenghttp://www.cerne.ufla.br/site/index.php/CERNE/article/view/947/721Copyright (c) 2016 CERNEhttp://creativecommons.org/licenses/by/4.0/Attribution 4.0 Internationalinfo:eu-repo/semantics/openAccessRosso, SilvianaMuniz, Graciela Ines Bolzon deMatos, Jorge Luis Monteiro deHaselein, Clóvis RobertoHein, Paulo Ricardo GherardiLopes, Merielen de Carvalho2021-03-29T17:51:33Zoai:localhost:1/14544Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2021-03-29T17:51:33Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false
dc.title.none.fl_str_mv Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
Predição da massa específica de Eucalyptus grandis W. Hill ex Maiden por espectroscopia no infravermelho próximo
title Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
spellingShingle Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
Rosso, Silviana
Near infrared spectroscopy
Eucalyptus - Bulk density
Hardwood
Eucalyptus - Densidade aparente
title_short Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
title_full Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
title_fullStr Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
title_full_unstemmed Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
title_sort Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy
author Rosso, Silviana
author_facet Rosso, Silviana
Muniz, Graciela Ines Bolzon de
Matos, Jorge Luis Monteiro de
Haselein, Clóvis Roberto
Hein, Paulo Ricardo Gherardi
Lopes, Merielen de Carvalho
author_role author
author2 Muniz, Graciela Ines Bolzon de
Matos, Jorge Luis Monteiro de
Haselein, Clóvis Roberto
Hein, Paulo Ricardo Gherardi
Lopes, Merielen de Carvalho
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Rosso, Silviana
Muniz, Graciela Ines Bolzon de
Matos, Jorge Luis Monteiro de
Haselein, Clóvis Roberto
Hein, Paulo Ricardo Gherardi
Lopes, Merielen de Carvalho
dc.subject.por.fl_str_mv Near infrared spectroscopy
Eucalyptus - Bulk density
Hardwood
Eucalyptus - Densidade aparente
topic Near infrared spectroscopy
Eucalyptus - Bulk density
Hardwood
Eucalyptus - Densidade aparente
description  This study aimed to analyze use of near infrared spectroscopy (NIRS) to estimate wood density of Eucalyptus grandis. For that, 66 27-year-old trees were logged and central planks were removed from each log. Test pieces 2.5 x 2.5 x 5.0 cm in size were removed from the base of each plank, in the pith-bark direction, and subjected to determination of bulk and basic density at 12% moisture (dry basis), followed by spectral readings in the radial, tangential and transverse directions using a Bruker Tensor 37 infrared spectrophotometer. The calibration to estimate wood density was developed based on the matrix of spectra obtained from the radial face, containing 216 samples. The partial least squares regression to estimate bulk wood density of Eucalyptus grandis provided a coefficient of determination of validation of 0.74 and a ratio performance deviation of 2.29. Statistics relating to the predictive models had adequate magnitudes for estimating wood density from unknown samples, indicating that the above technique has potential for use in replacement of conventional testing. 
publishDate 2016
dc.date.none.fl_str_mv 2016-04-06
2017-08-01T20:15:13Z
2017-08-01T20:15:13Z
2017-08-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.cerne.ufla.br/site/index.php/CERNE/article/view/947
ROSSO, S. et al. Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy. Cerne, Lavras, v. 19, n. 4, p. 647-652, out./dez. 2013.
http://repositorio.ufla.br/jspui/handle/1/14544
url http://www.cerne.ufla.br/site/index.php/CERNE/article/view/947
http://repositorio.ufla.br/jspui/handle/1/14544
identifier_str_mv ROSSO, S. et al. Estimate of the density of Eucalyptus grandis W. Hill ex Maiden using near infrared spectroscopy. Cerne, Lavras, v. 19, n. 4, p. 647-652, out./dez. 2013.
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv http://www.cerne.ufla.br/site/index.php/CERNE/article/view/947/721
dc.rights.driver.fl_str_mv Copyright (c) 2016 CERNE
http://creativecommons.org/licenses/by/4.0/
Attribution 4.0 International
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2016 CERNE
http://creativecommons.org/licenses/by/4.0/
Attribution 4.0 International
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv CERNE
publisher.none.fl_str_mv CERNE
dc.source.none.fl_str_mv CERNE; Vol 19 No 4 (2013); 647-652
CERNE; Vol 19 No 4 (2013); 647-652
2317-6342
0104-7760
reponame:Repositório Institucional da UFLA
instname:Universidade Federal de Lavras (UFLA)
instacron:UFLA
instname_str Universidade Federal de Lavras (UFLA)
instacron_str UFLA
institution UFLA
reponame_str Repositório Institucional da UFLA
collection Repositório Institucional da UFLA
repository.name.fl_str_mv Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)
repository.mail.fl_str_mv nivaldo@ufla.br || repositorio.biblioteca@ufla.br
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