TDR use on tropical soil as affected by probe characteristics and installation conditions
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta Scientiarum. Agronomy (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2615 |
Resumo: | Although soil moisture is defined by a single physical concept, its determination is not necessarily simple. Since such determination is necessary to soil-water management studies and practices, direct and indirect methods have been developed. Although the Time Domain Reflectometry (TDR) technique has been widely used in recent years, research has shown that prior calibration must be undertaken before the use of this technique. Scanty information exists for tropical soils. Research was undertaken on a Rhodic Kandiudalf, commonly found in the northeast region of the state of Paraná, Brazil. Present study detects the effects of probe characteristics and of soil moisture conditions at the moment of probe installation on the TDR measurements. Installation effects was much more important than probe characteristics. Soil water content during probe installation process affects TDR readings, probably affecting soil-probe contact |
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Acta Scientiarum. Agronomy (Online) |
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TDR use on tropical soil as affected by probe characteristics and installation conditionsEfeito da instalação e da variabilidade entre sondas no uso da técnica de TDR em um Nitossolo Vermelho DistroférricoTDRumidadeirrigaçãocalibração5.00.00.00-4 Ciências AgráriasAlthough soil moisture is defined by a single physical concept, its determination is not necessarily simple. Since such determination is necessary to soil-water management studies and practices, direct and indirect methods have been developed. Although the Time Domain Reflectometry (TDR) technique has been widely used in recent years, research has shown that prior calibration must be undertaken before the use of this technique. Scanty information exists for tropical soils. Research was undertaken on a Rhodic Kandiudalf, commonly found in the northeast region of the state of Paraná, Brazil. Present study detects the effects of probe characteristics and of soil moisture conditions at the moment of probe installation on the TDR measurements. Installation effects was much more important than probe characteristics. Soil water content during probe installation process affects TDR readings, probably affecting soil-probe contactA umidade do solo é um conceito físico simples, mas a sua determinação apresenta algumas dificuldades. Dentre os métodos de determinação da umidade, destaca-se o TDR (Time Domain Reflectometry), por ser um método indireto, não destrutivo, rápido, supostamente pouco dependente dos fatores locais e bastante preciso. No entanto, existem indícios da influência de fatores externos sobre a sua operação, o que torna necessária a calibração local. Particularmente para solos tropicais, pouco se sabe a respeito da sua utilização. Este trabalho teve como objetivo avaliar um equipamento TDR para uso em um Nitossolo Vermelho Distroférrico, da região Noroeste do Estado do Paraná, avaliando a influência da instalação das sondas e de características de cada sonda, sobre as curvas de calibração. As diferenças entre sondas não influenciaram na calibração para este solo. Por outro lado, o contato solo - sonda, que varia conforme a instalação, pode influenciar na medida de umidade realizada com o uso desta técnicaUniversidade Estadual de Maringá2008-05-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/261510.4025/actasciagron.v23i0.2615Acta Scientiarum. Agronomy; Vol 23 (2001); 1165-1171Acta Scientiarum. Agronomy; v. 23 (2001); 1165-11711807-86211679-9275reponame:Acta Scientiarum. Agronomy (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2615/2067Trintinalha, Marcos AntonioGonçalves, Antônio Carlos AndradeFolegatti, Marcos ViníciusTormena, Cássio AntônioBertonha, AltairTsukada, Juninfo:eu-repo/semantics/openAccess2022-11-23T18:37:52Zoai:periodicos.uem.br/ojs:article/2615Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgronPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/oaiactaagron@uem.br||actaagron@uem.br|| edamasio@uem.br1807-86211679-9275opendoar:2022-11-23T18:37:52Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
TDR use on tropical soil as affected by probe characteristics and installation conditions Efeito da instalação e da variabilidade entre sondas no uso da técnica de TDR em um Nitossolo Vermelho Distroférrico |
title |
TDR use on tropical soil as affected by probe characteristics and installation conditions |
spellingShingle |
TDR use on tropical soil as affected by probe characteristics and installation conditions Trintinalha, Marcos Antonio TDR umidade irrigação calibração 5.00.00.00-4 Ciências Agrárias |
title_short |
TDR use on tropical soil as affected by probe characteristics and installation conditions |
title_full |
TDR use on tropical soil as affected by probe characteristics and installation conditions |
title_fullStr |
TDR use on tropical soil as affected by probe characteristics and installation conditions |
title_full_unstemmed |
TDR use on tropical soil as affected by probe characteristics and installation conditions |
title_sort |
TDR use on tropical soil as affected by probe characteristics and installation conditions |
author |
Trintinalha, Marcos Antonio |
author_facet |
Trintinalha, Marcos Antonio Gonçalves, Antônio Carlos Andrade Folegatti, Marcos Vinícius Tormena, Cássio Antônio Bertonha, Altair Tsukada, Jun |
author_role |
author |
author2 |
Gonçalves, Antônio Carlos Andrade Folegatti, Marcos Vinícius Tormena, Cássio Antônio Bertonha, Altair Tsukada, Jun |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Trintinalha, Marcos Antonio Gonçalves, Antônio Carlos Andrade Folegatti, Marcos Vinícius Tormena, Cássio Antônio Bertonha, Altair Tsukada, Jun |
dc.subject.por.fl_str_mv |
TDR umidade irrigação calibração 5.00.00.00-4 Ciências Agrárias |
topic |
TDR umidade irrigação calibração 5.00.00.00-4 Ciências Agrárias |
description |
Although soil moisture is defined by a single physical concept, its determination is not necessarily simple. Since such determination is necessary to soil-water management studies and practices, direct and indirect methods have been developed. Although the Time Domain Reflectometry (TDR) technique has been widely used in recent years, research has shown that prior calibration must be undertaken before the use of this technique. Scanty information exists for tropical soils. Research was undertaken on a Rhodic Kandiudalf, commonly found in the northeast region of the state of Paraná, Brazil. Present study detects the effects of probe characteristics and of soil moisture conditions at the moment of probe installation on the TDR measurements. Installation effects was much more important than probe characteristics. Soil water content during probe installation process affects TDR readings, probably affecting soil-probe contact |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-05-09 |
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.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2615 10.4025/actasciagron.v23i0.2615 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2615 |
identifier_str_mv |
10.4025/actasciagron.v23i0.2615 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2615/2067 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Agronomy; Vol 23 (2001); 1165-1171 Acta Scientiarum. Agronomy; v. 23 (2001); 1165-1171 1807-8621 1679-9275 reponame:Acta Scientiarum. Agronomy (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Agronomy (Online) |
collection |
Acta Scientiarum. Agronomy (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaagron@uem.br||actaagron@uem.br|| edamasio@uem.br |
_version_ |
1799305905823547392 |