Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Redes (Santa Cruz do Sul. Online) |
Texto Completo: | https://online.unisc.br/seer/index.php/redes/article/view/643 |
Resumo: | The objective of this paper was to analyze the quantitative situation of water resources across the Pardo River Basin (Brazil) in future scenarios through a comparison between spatial and temporal water requirements and availabilities. Different future scenarios were established based on predicted changes in rice cultivation systems in that area. Water balances indicated greater water deficits in future scenarios compared with the current situation, even if strategies for reducing water use are applied. The results also showed that the expansion of rice plantation will be the main driving force behind water deficits in the future, and the increase of water supply through structural systems (such as reservoirs) will be crucial for the sustainability of water resources in the region if the ongoing tendency of rice production is maintained. |
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Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systemsAvaliação Temporal e Espacial da Situação Hídrica Quantitativa na Bacia do Rio Pardo em Cenários Futuros em Vista das Mudanças Envolvidas no Processo de Cultivo de Arroz IrrigadoRio Pardoarrozbalanço hídricoThe objective of this paper was to analyze the quantitative situation of water resources across the Pardo River Basin (Brazil) in future scenarios through a comparison between spatial and temporal water requirements and availabilities. Different future scenarios were established based on predicted changes in rice cultivation systems in that area. Water balances indicated greater water deficits in future scenarios compared with the current situation, even if strategies for reducing water use are applied. The results also showed that the expansion of rice plantation will be the main driving force behind water deficits in the future, and the increase of water supply through structural systems (such as reservoirs) will be crucial for the sustainability of water resources in the region if the ongoing tendency of rice production is maintained.O objetivo deste trabalho foi analisar a situação hídrica quantitativa da Bacia Hidrográfica do Rio Pardo (Rio Grande do Sul, Brasil) em cenários futuros por meio de balanços hídricos confrontando-se disponibilidades e demandas hídricas. Diferentes cenários futuros foram estabelecidos com base nas mudanças previstas nos sistemas de cultivo de arroz irrigado na região. Os balanços hídricos futuros indicaram ocorrência de déficits hídricos mais severos do que os déficits atuais, mesmo se estratégias de redução de uso de água forem adotadas. De acordo com os resultados, a expansão da área orizícola será a principal responsável pelos déficits hídricos futuros, e o aumento da disponibilidade hídrica via obras estruturais, como a reservação, será crucial para a sustentabilidade dos recursos hídricos se a região mantiver a tendência histórica de cultivo de arroz.Edunisc - Universidade de Santa Cruz do Sul2009-12-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://online.unisc.br/seer/index.php/redes/article/view/64310.17058/redes.v14i2.643Redes ; Vol. 14 No. 2 (2009); 212-243Redes; Vol. 14 Núm. 2 (2009); 212-243Redes; Vol. 14 No. 2 (2009); 212-243Redes; v. 14 n. 2 (2009); 212-2431982-6745reponame:Redes (Santa Cruz do Sul. Online)instname:Universidade de Santa Cruz do Sul (UNISC)instacron:UNISCporhttps://online.unisc.br/seer/index.php/redes/article/view/643/1449Helfer, FernandaLouzada, José Antônioinfo:eu-repo/semantics/openAccess2019-10-03T17:51:02Zoai:ojs.online.unisc.br:article/643Revistahttp://online.unisc.br/seer/index.php/redeshttp://online.unisc.br/seer/index.php/redes/oairedes_unisc_maff@terra.com.br||etges@unisc.br1982-67451414-7106opendoar:2019-10-03T17:51:02Redes (Santa Cruz do Sul. Online) - Universidade de Santa Cruz do Sul (UNISC)false |
dc.title.none.fl_str_mv |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems Avaliação Temporal e Espacial da Situação Hídrica Quantitativa na Bacia do Rio Pardo em Cenários Futuros em Vista das Mudanças Envolvidas no Processo de Cultivo de Arroz Irrigado |
title |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems |
spellingShingle |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems Helfer, Fernanda Rio Pardo arroz balanço hídrico |
title_short |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems |
title_full |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems |
title_fullStr |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems |
title_full_unstemmed |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems |
title_sort |
Spatial and temporal analysis of water requirements and availabilities in pardo river basin (Brazil) in future scenarios in view of predicted changes in rice crop production systems |
author |
Helfer, Fernanda |
author_facet |
Helfer, Fernanda Louzada, José Antônio |
author_role |
author |
author2 |
Louzada, José Antônio |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Helfer, Fernanda Louzada, José Antônio |
dc.subject.por.fl_str_mv |
Rio Pardo arroz balanço hídrico |
topic |
Rio Pardo arroz balanço hídrico |
description |
The objective of this paper was to analyze the quantitative situation of water resources across the Pardo River Basin (Brazil) in future scenarios through a comparison between spatial and temporal water requirements and availabilities. Different future scenarios were established based on predicted changes in rice cultivation systems in that area. Water balances indicated greater water deficits in future scenarios compared with the current situation, even if strategies for reducing water use are applied. The results also showed that the expansion of rice plantation will be the main driving force behind water deficits in the future, and the increase of water supply through structural systems (such as reservoirs) will be crucial for the sustainability of water resources in the region if the ongoing tendency of rice production is maintained. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-12-15 |
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://online.unisc.br/seer/index.php/redes/article/view/643 10.17058/redes.v14i2.643 |
url |
https://online.unisc.br/seer/index.php/redes/article/view/643 |
identifier_str_mv |
10.17058/redes.v14i2.643 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://online.unisc.br/seer/index.php/redes/article/view/643/1449 |
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 |
Edunisc - Universidade de Santa Cruz do Sul |
publisher.none.fl_str_mv |
Edunisc - Universidade de Santa Cruz do Sul |
dc.source.none.fl_str_mv |
Redes ; Vol. 14 No. 2 (2009); 212-243 Redes; Vol. 14 Núm. 2 (2009); 212-243 Redes; Vol. 14 No. 2 (2009); 212-243 Redes; v. 14 n. 2 (2009); 212-243 1982-6745 reponame:Redes (Santa Cruz do Sul. Online) instname:Universidade de Santa Cruz do Sul (UNISC) instacron:UNISC |
instname_str |
Universidade de Santa Cruz do Sul (UNISC) |
instacron_str |
UNISC |
institution |
UNISC |
reponame_str |
Redes (Santa Cruz do Sul. Online) |
collection |
Redes (Santa Cruz do Sul. Online) |
repository.name.fl_str_mv |
Redes (Santa Cruz do Sul. Online) - Universidade de Santa Cruz do Sul (UNISC) |
repository.mail.fl_str_mv |
redes_unisc_maff@terra.com.br||etges@unisc.br |
_version_ |
1800218767532228608 |