Stochastic simulations of calcium contents in sugarcane area
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/1807-1929/agriambi.v19n8p767-772 http://hdl.handle.net/11449/160887 |
Resumo: | The aim of this study was to quantify and to map the spatial distribution and uncertainty of soil calcium (Ca) content in a sugarcane area by sequential Gaussian and simulated-annealing simulation methods. The study was conducted in the municipality of Guariba, northeast of the Sao Paulo state. A sampling grid with 206 points separated by a distance of 50 m was established, totaling approximately 42 ha. The calcium contents were evaluated in layer of 0-0.20 m. Techniques of geostatistical estimation, ordinary kriging and stochastic simulations were used. The technique of ordinary kriging does not reproduce satisfactorily the global statistics of the Ca contents. The use of simulation techniques allows reproducing the spatial variability pattern of Ca contents. The techniques of sequential Gaussian simulation and simulated annealing showed significant variations in the contents of Ca in the small scale. |
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Repositório Institucional da UNESP |
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Stochastic simulations of calcium contents in sugarcane areageostatisticsspatial interpolationsequential Gaussian simulationsimulated annealingThe aim of this study was to quantify and to map the spatial distribution and uncertainty of soil calcium (Ca) content in a sugarcane area by sequential Gaussian and simulated-annealing simulation methods. The study was conducted in the municipality of Guariba, northeast of the Sao Paulo state. A sampling grid with 206 points separated by a distance of 50 m was established, totaling approximately 42 ha. The calcium contents were evaluated in layer of 0-0.20 m. Techniques of geostatistical estimation, ordinary kriging and stochastic simulations were used. The technique of ordinary kriging does not reproduce satisfactorily the global statistics of the Ca contents. The use of simulation techniques allows reproducing the spatial variability pattern of Ca contents. The techniques of sequential Gaussian simulation and simulated annealing showed significant variations in the contents of Ca in the small scale.Univ Estadual Paulista, Fac Ciencias Agr & Vet, Dept Ciencias Exatas, Jaboticabal, SP, BrazilUniv Estadual Paulista, Fac Ciencias Agr & Vet, Dept Solos & Adubos, Jaboticabal, SP, BrazilUniv Estadual Campinas, Fac Agr Engn, Dept Agua & Solo, Campinas, SP, BrazilUniv Fed Maranhao, Dept Zootecnia, Chapadinha, MA USAUniv Estadual Paulista, Fac Ciencias Agr & Vet, Dept Ciencias Exatas, Jaboticabal, SP, BrazilUniv Estadual Paulista, Fac Ciencias Agr & Vet, Dept Solos & Adubos, Jaboticabal, SP, BrazilUniv Federal Campina GrandeUniversidade Estadual Paulista (Unesp)Universidade Estadual de Campinas (UNICAMP)Univ Fed MaranhaoPereira, Gener T. [UNESP]Teixeira, Daniel D. B. [UNESP]Souza, Zigomar M. deOliveira, Ismenia R. deMarques Junior, Jose [UNESP]2018-11-26T16:17:08Z2018-11-26T16:17:08Z2015-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article767-772application/pdfhttp://dx.doi.org/10.1590/1807-1929/agriambi.v19n8p767-772Revista Brasileira De Engenharia Agricola E Ambiental. Campina Grande Pb: Univ Federal Campina Grande, v. 19, n. 8, p. 767-772, 2015.1807-1929http://hdl.handle.net/11449/16088710.1590/1807-1929/agriambi.v19n8p767-772S1415-43662015000800767WOS:000362491900008S1415-43662015000800767.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista Brasileira De Engenharia Agricola E Ambientalinfo:eu-repo/semantics/openAccess2024-06-07T14:23:41Zoai:repositorio.unesp.br:11449/160887Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:44:51.971406Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Stochastic simulations of calcium contents in sugarcane area |
title |
Stochastic simulations of calcium contents in sugarcane area |
spellingShingle |
Stochastic simulations of calcium contents in sugarcane area Pereira, Gener T. [UNESP] geostatistics spatial interpolation sequential Gaussian simulation simulated annealing |
title_short |
Stochastic simulations of calcium contents in sugarcane area |
title_full |
Stochastic simulations of calcium contents in sugarcane area |
title_fullStr |
Stochastic simulations of calcium contents in sugarcane area |
title_full_unstemmed |
Stochastic simulations of calcium contents in sugarcane area |
title_sort |
Stochastic simulations of calcium contents in sugarcane area |
author |
Pereira, Gener T. [UNESP] |
author_facet |
Pereira, Gener T. [UNESP] Teixeira, Daniel D. B. [UNESP] Souza, Zigomar M. de Oliveira, Ismenia R. de Marques Junior, Jose [UNESP] |
author_role |
author |
author2 |
Teixeira, Daniel D. B. [UNESP] Souza, Zigomar M. de Oliveira, Ismenia R. de Marques Junior, Jose [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Estadual de Campinas (UNICAMP) Univ Fed Maranhao |
dc.contributor.author.fl_str_mv |
Pereira, Gener T. [UNESP] Teixeira, Daniel D. B. [UNESP] Souza, Zigomar M. de Oliveira, Ismenia R. de Marques Junior, Jose [UNESP] |
dc.subject.por.fl_str_mv |
geostatistics spatial interpolation sequential Gaussian simulation simulated annealing |
topic |
geostatistics spatial interpolation sequential Gaussian simulation simulated annealing |
description |
The aim of this study was to quantify and to map the spatial distribution and uncertainty of soil calcium (Ca) content in a sugarcane area by sequential Gaussian and simulated-annealing simulation methods. The study was conducted in the municipality of Guariba, northeast of the Sao Paulo state. A sampling grid with 206 points separated by a distance of 50 m was established, totaling approximately 42 ha. The calcium contents were evaluated in layer of 0-0.20 m. Techniques of geostatistical estimation, ordinary kriging and stochastic simulations were used. The technique of ordinary kriging does not reproduce satisfactorily the global statistics of the Ca contents. The use of simulation techniques allows reproducing the spatial variability pattern of Ca contents. The techniques of sequential Gaussian simulation and simulated annealing showed significant variations in the contents of Ca in the small scale. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-08-01 2018-11-26T16:17:08Z 2018-11-26T16:17:08Z |
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/10.1590/1807-1929/agriambi.v19n8p767-772 Revista Brasileira De Engenharia Agricola E Ambiental. Campina Grande Pb: Univ Federal Campina Grande, v. 19, n. 8, p. 767-772, 2015. 1807-1929 http://hdl.handle.net/11449/160887 10.1590/1807-1929/agriambi.v19n8p767-772 S1415-43662015000800767 WOS:000362491900008 S1415-43662015000800767.pdf |
url |
http://dx.doi.org/10.1590/1807-1929/agriambi.v19n8p767-772 http://hdl.handle.net/11449/160887 |
identifier_str_mv |
Revista Brasileira De Engenharia Agricola E Ambiental. Campina Grande Pb: Univ Federal Campina Grande, v. 19, n. 8, p. 767-772, 2015. 1807-1929 10.1590/1807-1929/agriambi.v19n8p767-772 S1415-43662015000800767 WOS:000362491900008 S1415-43662015000800767.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Revista Brasileira De Engenharia Agricola E Ambiental |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
767-772 application/pdf |
dc.publisher.none.fl_str_mv |
Univ Federal Campina Grande |
publisher.none.fl_str_mv |
Univ Federal Campina Grande |
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_ |
1808128973428752384 |