Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Caderno de Ciências Agrárias (Online) |
Texto Completo: | https://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906 |
Resumo: | Rain is an active factor in erosion and the knowledge of its erosive potential is of great importance for planning soil conservation technologies, however there is still a lack of information regarding rainfall erosivity in the Brazil, principally in the region Northeast. Thus, the objective of this study was to determine and model the rainfall erosivity and associate it to recurrence intervals in the region of Teixeira de Freitas, in the extreme south of the state of Bahia. The rainfall erosivity was determined by the erosivity index in 30 minutes (EI30), considering the kinetic energy of rainfall and its maximum intensity in 30 minutes. Probability distributions were applied and the best fit was used for determining the erosivity return period. The average annual erosivity for the region was 3,722.0 MJ mm ha-1 h-1 yr-1 and the best fitting distribution was the Log-Normal 2P. |
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Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BAEI30. Water erosion. Return timeErosivityRain is an active factor in erosion and the knowledge of its erosive potential is of great importance for planning soil conservation technologies, however there is still a lack of information regarding rainfall erosivity in the Brazil, principally in the region Northeast. Thus, the objective of this study was to determine and model the rainfall erosivity and associate it to recurrence intervals in the region of Teixeira de Freitas, in the extreme south of the state of Bahia. The rainfall erosivity was determined by the erosivity index in 30 minutes (EI30), considering the kinetic energy of rainfall and its maximum intensity in 30 minutes. Probability distributions were applied and the best fit was used for determining the erosivity return period. The average annual erosivity for the region was 3,722.0 MJ mm ha-1 h-1 yr-1 and the best fitting distribution was the Log-Normal 2P.Universidade Federal de Minas Gerais2016-08-31info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906Agrarian Sciences Journal; Vol. 8 No. 2 (2016); 14-22Caderno de Ciências Agrárias; v. 8 n. 2 (2016); 14-222447-62181984-6738reponame:Caderno de Ciências Agrárias (Online)instname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMGenghttps://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906/1756https://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906/1757Copyright (c) 2016 Danielle Vieira Guimaraes, Marx Leandro Naves Silva, Nilton Curi, José de Oliveira Melo Neto, Pedro Velloso Gomes Batistainfo:eu-repo/semantics/openAccessGuimaraes, Danielle VieiraSilva, Marx Leandro NavesCuri, NiltonNeto, José de Oliveira MeloBatista, Pedro Velloso Gomes2019-02-01T19:29:55Zoai:periodicos.ufmg.br:article/2906Revistahttps://periodicos.ufmg.br/index.php/ccaufmgPUBhttps://periodicos.ufmg.br/index.php/ccaufmg/oaiccaufmg@ica.ufmg.br2447-62181984-6738opendoar:2019-02-01T19:29:55Caderno de Ciências Agrárias (Online) - Universidade Federal de Minas Gerais (UFMG)false |
dc.title.none.fl_str_mv |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
title |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
spellingShingle |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA Guimaraes, Danielle Vieira EI30. Water erosion. Return time Erosivity |
title_short |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
title_full |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
title_fullStr |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
title_full_unstemmed |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
title_sort |
Rainfall erosivity and recurrence analysis for the region of Teixeira de Freitas, BA |
author |
Guimaraes, Danielle Vieira |
author_facet |
Guimaraes, Danielle Vieira Silva, Marx Leandro Naves Curi, Nilton Neto, José de Oliveira Melo Batista, Pedro Velloso Gomes |
author_role |
author |
author2 |
Silva, Marx Leandro Naves Curi, Nilton Neto, José de Oliveira Melo Batista, Pedro Velloso Gomes |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Guimaraes, Danielle Vieira Silva, Marx Leandro Naves Curi, Nilton Neto, José de Oliveira Melo Batista, Pedro Velloso Gomes |
dc.subject.por.fl_str_mv |
EI30. Water erosion. Return time Erosivity |
topic |
EI30. Water erosion. Return time Erosivity |
description |
Rain is an active factor in erosion and the knowledge of its erosive potential is of great importance for planning soil conservation technologies, however there is still a lack of information regarding rainfall erosivity in the Brazil, principally in the region Northeast. Thus, the objective of this study was to determine and model the rainfall erosivity and associate it to recurrence intervals in the region of Teixeira de Freitas, in the extreme south of the state of Bahia. The rainfall erosivity was determined by the erosivity index in 30 minutes (EI30), considering the kinetic energy of rainfall and its maximum intensity in 30 minutes. Probability distributions were applied and the best fit was used for determining the erosivity return period. The average annual erosivity for the region was 3,722.0 MJ mm ha-1 h-1 yr-1 and the best fitting distribution was the Log-Normal 2P. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-08-31 |
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 |
https://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906 |
url |
https://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906/1756 https://periodicos.ufmg.br/index.php/ccaufmg/article/view/2906/1757 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
publisher.none.fl_str_mv |
Universidade Federal de Minas Gerais |
dc.source.none.fl_str_mv |
Agrarian Sciences Journal; Vol. 8 No. 2 (2016); 14-22 Caderno de Ciências Agrárias; v. 8 n. 2 (2016); 14-22 2447-6218 1984-6738 reponame:Caderno de Ciências Agrárias (Online) instname:Universidade Federal de Minas Gerais (UFMG) instacron:UFMG |
instname_str |
Universidade Federal de Minas Gerais (UFMG) |
instacron_str |
UFMG |
institution |
UFMG |
reponame_str |
Caderno de Ciências Agrárias (Online) |
collection |
Caderno de Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Caderno de Ciências Agrárias (Online) - Universidade Federal de Minas Gerais (UFMG) |
repository.mail.fl_str_mv |
ccaufmg@ica.ufmg.br |
_version_ |
1797042442779754496 |