Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil

This paper addresses a methodology for analyzing spatio-temporal rainfall variability as a tool to support action planning that could mitigate negative impacts and reduce conflicts over water use in the Pajeú river basin, located in the semi-arid region of the state of Pernambuco. We used daily rain...

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Autores principales: Janaina Oliveira Maria de Assis, Athos Farias Menezes, Werônica Meira de Souza, Maria do Carmo Martins Sobral
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Lenguaje:EN
Publicado: Associação Brasileira de Engenharia Sanitária e Ambiental 2021
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Acceso en línea:https://doaj.org/article/9654bfa75db54ff48195de94ada20930
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spelling oai:doaj.org-article:9654bfa75db54ff48195de94ada209302021-11-19T01:33:19ZMethods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil1808-45242176-947810.5327/Z21769478866https://doaj.org/article/9654bfa75db54ff48195de94ada209302021-10-01T00:00:00Zhttp://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/866https://doaj.org/toc/1808-4524https://doaj.org/toc/2176-9478This paper addresses a methodology for analyzing spatio-temporal rainfall variability as a tool to support action planning that could mitigate negative impacts and reduce conflicts over water use in the Pajeú river basin, located in the semi-arid region of the state of Pernambuco. We used daily rainfall data from 11 rainfall stations, between 1964 and 2016, provided by the Pernambuco Water and Climate Agency (Agência Pernambucana de Águas e Clima — APAC) and the National Water Agency (Agência Nacional de Águas — ANA). This analysis employed the RClimDex software to calculate rainfallrelated climate extremes indices, aiming at monitoring and detecting climate changes and alterations in the regional rainfall pattern. The results indicated a change in the rainfall pattern in the Pajeú river basin, and all climate indices obtained converge toward the increase in water scarcity in the area, contributing to the recurrent droughts that impact the region.Janaina Oliveira Maria de AssisAthos Farias MenezesWerônica Meira de SouzaMaria do Carmo Martins SobralAssociação Brasileira de Engenharia Sanitária e Ambientalarticleriver basin, precipitation, climate change, semiaridEnvironmental sciencesGE1-350ENRevista Brasileira de Ciências Ambientais, Vol 56, Iss 4, Pp 577-588 (2021)
institution DOAJ
collection DOAJ
language EN
topic river basin, precipitation, climate change, semiarid
Environmental sciences
GE1-350
spellingShingle river basin, precipitation, climate change, semiarid
Environmental sciences
GE1-350
Janaina Oliveira Maria de Assis
Athos Farias Menezes
Werônica Meira de Souza
Maria do Carmo Martins Sobral
Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil
description This paper addresses a methodology for analyzing spatio-temporal rainfall variability as a tool to support action planning that could mitigate negative impacts and reduce conflicts over water use in the Pajeú river basin, located in the semi-arid region of the state of Pernambuco. We used daily rainfall data from 11 rainfall stations, between 1964 and 2016, provided by the Pernambuco Water and Climate Agency (Agência Pernambucana de Águas e Clima — APAC) and the National Water Agency (Agência Nacional de Águas — ANA). This analysis employed the RClimDex software to calculate rainfallrelated climate extremes indices, aiming at monitoring and detecting climate changes and alterations in the regional rainfall pattern. The results indicated a change in the rainfall pattern in the Pajeú river basin, and all climate indices obtained converge toward the increase in water scarcity in the area, contributing to the recurrent droughts that impact the region.
format article
author Janaina Oliveira Maria de Assis
Athos Farias Menezes
Werônica Meira de Souza
Maria do Carmo Martins Sobral
author_facet Janaina Oliveira Maria de Assis
Athos Farias Menezes
Werônica Meira de Souza
Maria do Carmo Martins Sobral
author_sort Janaina Oliveira Maria de Assis
title Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil
title_short Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil
title_full Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil
title_fullStr Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil
title_full_unstemmed Methods to analyze spatio-temporal rainfall variability: application to the Pajeú river basin, Pernambuco, Brazil
title_sort methods to analyze spatio-temporal rainfall variability: application to the pajeú river basin, pernambuco, brazil
publisher Associação Brasileira de Engenharia Sanitária e Ambiental
publishDate 2021
url https://doaj.org/article/9654bfa75db54ff48195de94ada20930
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AT weronicameiradesouza methodstoanalyzespatiotemporalrainfallvariabilityapplicationtothepajeuriverbasinpernambucobrazil
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