Rainfall erosivity in the Upper Paraguai River Basin, Brazil.
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 EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1035884 |
Resumo: | Mapping rainfall erosivity is a practical and indispensable tool for land use planning at regional scale, like large river basins. The objective of this study was to evaluate the spatial distribution of the annual erosive potential of rainfall for the Upper Paraguai Basin (BAP) in Brazil. For this, 125 pluviometric stations located in BAP and its surroundings were analyzed. The rainfall erosivity was estimated for each station using the Modified Fournier Index. For the spatial distribution of the erosive potential, the values for erosivity in each station were interpolated using the kriging method. Annual erosivity at BAP ranged from 5,105 to 9,169, with an average of 6,800 MJ mm ha-1 h-1. Erosivity was classified as moderate to strong in 69% of BAP and in 31% of the basin the erosive potential of rainfall was classified as strong. An increase in erosivity going from southwest to northeast was also observed. Areas with high values of rainfall erosivity in BAP, associated with upland areas and with soils that are more susceptible to erosion show the greatest vulnerability to natural rainfall erosion. These lands should be carefully managed to minimize soil erosion and its impacts on the Pantanal. |
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Rainfall erosivity in the Upper Paraguai River Basin, Brazil.GeotecnologiaKrigagemPerda de soloRegime pluviométricoErosividade das chuvasGeotechnologySoil lossRain distributionPantanalkrigingMapping rainfall erosivity is a practical and indispensable tool for land use planning at regional scale, like large river basins. The objective of this study was to evaluate the spatial distribution of the annual erosive potential of rainfall for the Upper Paraguai Basin (BAP) in Brazil. For this, 125 pluviometric stations located in BAP and its surroundings were analyzed. The rainfall erosivity was estimated for each station using the Modified Fournier Index. For the spatial distribution of the erosive potential, the values for erosivity in each station were interpolated using the kriging method. Annual erosivity at BAP ranged from 5,105 to 9,169, with an average of 6,800 MJ mm ha-1 h-1. Erosivity was classified as moderate to strong in 69% of BAP and in 31% of the basin the erosive potential of rainfall was classified as strong. An increase in erosivity going from southwest to northeast was also observed. Areas with high values of rainfall erosivity in BAP, associated with upland areas and with soils that are more susceptible to erosion show the greatest vulnerability to natural rainfall erosion. These lands should be carefully managed to minimize soil erosion and its impacts on the Pantanal.Número especial.SÉRGIO GALDINO, CPAP; CÉLIA REGINA GREGO, CNPM; JOÃO DOS SANTOS VILA DA SILVA, CNPTIA.GALDINO, S.GREGO, C. R.SILVA, J. dos S. V. da2016-02-02T11:11:11Z2016-02-02T11:11:11Z2016-02-0220152016-02-03T11:11:11Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleGeografia, Rio Claro, v. 40, p. 119-129, ago. 2015.http://www.alice.cnptia.embrapa.br/alice/handle/doc/1035884enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2017-08-16T03:39:10Zoai:www.alice.cnptia.embrapa.br:doc/1035884Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542017-08-16T03:39:10falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542017-08-16T03:39:10Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
title |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
spellingShingle |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. GALDINO, S. Geotecnologia Krigagem Perda de solo Regime pluviométrico Erosividade das chuvas Geotechnology Soil loss Rain distribution Pantanal kriging |
title_short |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
title_full |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
title_fullStr |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
title_full_unstemmed |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
title_sort |
Rainfall erosivity in the Upper Paraguai River Basin, Brazil. |
author |
GALDINO, S. |
author_facet |
GALDINO, S. GREGO, C. R. SILVA, J. dos S. V. da |
author_role |
author |
author2 |
GREGO, C. R. SILVA, J. dos S. V. da |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
SÉRGIO GALDINO, CPAP; CÉLIA REGINA GREGO, CNPM; JOÃO DOS SANTOS VILA DA SILVA, CNPTIA. |
dc.contributor.author.fl_str_mv |
GALDINO, S. GREGO, C. R. SILVA, J. dos S. V. da |
dc.subject.por.fl_str_mv |
Geotecnologia Krigagem Perda de solo Regime pluviométrico Erosividade das chuvas Geotechnology Soil loss Rain distribution Pantanal kriging |
topic |
Geotecnologia Krigagem Perda de solo Regime pluviométrico Erosividade das chuvas Geotechnology Soil loss Rain distribution Pantanal kriging |
description |
Mapping rainfall erosivity is a practical and indispensable tool for land use planning at regional scale, like large river basins. The objective of this study was to evaluate the spatial distribution of the annual erosive potential of rainfall for the Upper Paraguai Basin (BAP) in Brazil. For this, 125 pluviometric stations located in BAP and its surroundings were analyzed. The rainfall erosivity was estimated for each station using the Modified Fournier Index. For the spatial distribution of the erosive potential, the values for erosivity in each station were interpolated using the kriging method. Annual erosivity at BAP ranged from 5,105 to 9,169, with an average of 6,800 MJ mm ha-1 h-1. Erosivity was classified as moderate to strong in 69% of BAP and in 31% of the basin the erosive potential of rainfall was classified as strong. An increase in erosivity going from southwest to northeast was also observed. Areas with high values of rainfall erosivity in BAP, associated with upland areas and with soils that are more susceptible to erosion show the greatest vulnerability to natural rainfall erosion. These lands should be carefully managed to minimize soil erosion and its impacts on the Pantanal. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015 2016-02-02T11:11:11Z 2016-02-02T11:11:11Z 2016-02-02 2016-02-03T11:11:11Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Geografia, Rio Claro, v. 40, p. 119-129, ago. 2015. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1035884 |
identifier_str_mv |
Geografia, Rio Claro, v. 40, p. 119-129, ago. 2015. |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1035884 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
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1794503417470648320 |