Aplicação do índice padronizado de precipitação para análise da seca 2014/2015 na porção paulista da bacia do rio Paraíba do Sul
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Data
2016-09-22
Autores
Neves, Anderson de Oliveira [UNESP]
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Universidade Estadual Paulista (Unesp)
Resumo
A Bacia Hidrográfica do Rio Paraíba do Sul, assim como grande parte do Sudeste Brasileiro, foi afetada a partir do ano de 2014, por um dos maiores períodos de seca de sua história recente. Visando contribuir com o entendimento deste evento no trecho Paulista desta Bacia, a presente pesquisa propõe utilizar o índice padronizado de precipitação (IPP). O IPP foi calculado para as escalas de 1, 3, 6 e 12 meses para diversas estações pluviométricas localizadas na área de estudo. Os resultados obtidos demonstram que houve eventos de seca em anos anteriores ao ápice da crise 2014/2015, sugerindo que o IPP poderia ser utilizado com ferramenta de gestão e operação dos sistemas hídricos da bacia do Paraíba do Sul.
In 2014, the Basin of Paraiba do Sul River as well as much of the Brazilian Southeastern were affected by a major drought periods in their recent history. In order to contribute to understand this event, this research focuses on using the standardized precipitation index (IPP) in order to evaluate this event in part of São Paulo State Basin. The IPP was calculated using the scale of 1, 3, 6 and 12 months to the several rainfall stations, which is located in the study area. As a result, in the studied basin, there were drought events in the previous years to the summit crisis in the 2014/2015. It is suggested that IPP could be used as a tool management and operation of Basin of Paraiba do Sul water systems.
In 2014, the Basin of Paraiba do Sul River as well as much of the Brazilian Southeastern were affected by a major drought periods in their recent history. In order to contribute to understand this event, this research focuses on using the standardized precipitation index (IPP) in order to evaluate this event in part of São Paulo State Basin. The IPP was calculated using the scale of 1, 3, 6 and 12 months to the several rainfall stations, which is located in the study area. As a result, in the studied basin, there were drought events in the previous years to the summit crisis in the 2014/2015. It is suggested that IPP could be used as a tool management and operation of Basin of Paraiba do Sul water systems.
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Recursos hídricos, Secas, Índice padronizado de precipitação, Rio Paraíba do Sul, Water resources, Droughts, Standardized precipitation index, River Paraíba do Sul, Sequías, índice estandarizado de precipitación