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Analysis of the response of the Epitácio Pessoa reservoir (Brazilian semiarid region) to potential future drought, water transfer and LULC scenarios

Author

Listed:
  • Jorge Flávio Casé Braga da Costa Silva

    (Federal University of Paraíba)

  • Richarde Marques Silva

    (Federal University of Paraíba)

  • Celso Augusto Guimarães Santos

    (Federal University of Paraíba, PB)

  • Alexandro Medeiros Silva

    (Federal University of Paraíba)

  • Pedro Costa Guedes Vianna

    (Federal University of Paraíba)

Abstract

The Brazilian semiarid region (BSAR) is affected by the high precipitation variability and severe drought events over time, promoting recurrent water scarcity. The water supply in the BSAR has suffered since 2012 from severe incidents of rainfall reduction, creating a complex scenario of water scarcity, for instance, in Campina Grande city, which is supplied by the Epitácio Pessoa reservoir (EPR). This study analyzed the future impacts on the volume of the EPR based on potential future droughts, water transfer from the São Francisco River, population growth and recent changes in land use and land cover (LULC). Several procedures were performed, including (a) simulation of LULC scenarios with the LCM algorithm, (b) simulation of future rainfall scenarios for the period from 2020 to 2030, (c) streamflow simulation using the Soil Water and Assessment Tool (SWAT) model and (d) prediction of water storage in the EPR for the period from 2020 to 2030 using three rainfall scenarios (− 40%, − 45% and − 50%). The results indicated that the SWAT calibration and validation results were considered satisfactory based on the R2, Nash, and PBIAS values. The results were assumed from the rainfall scenarios for the period from 2020 to 2030 together with the LULC scenario for 2030, including the estimated outflow of water transfer from the São Francisco River. The results showed, based on the three adopted rainfall scenarios, that the reservoir would reach its critical volume in the first two years of the analyzed period, and the reservoir volume would then increase until 2024 and subsequently return to decrease, reaching the critical volume in 2030. Graphical Abstract

Suggested Citation

  • Jorge Flávio Casé Braga da Costa Silva & Richarde Marques Silva & Celso Augusto Guimarães Santos & Alexandro Medeiros Silva & Pedro Costa Guedes Vianna, 2021. "Analysis of the response of the Epitácio Pessoa reservoir (Brazilian semiarid region) to potential future drought, water transfer and LULC scenarios," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 108(1), pages 1347-1371, August.
    • Handle: RePEc:spr:nathaz:v:108:y:2021:i:1:d:10.1007_s11069-021-04736-3
    DOI: 10.1007/s11069-021-04736-3
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    References listed on IDEAS

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    1. Glauciene Justino Ferreira da Silva & Nádja Melo Oliveira & Celso Augusto Guimarães Santos & Richarde Marques Silva, 2020. "Correction to: Spatiotemporal variability of vegetation due to drought dynamics (2012–2017): a case study of the Upper Paraíba River basin, Brazil," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 102(3), pages 965-965, July.
    2. Pes, Marcelo P. & Pereira, Enio B. & Marengo, Jose A. & Martins, Fernando R. & Heinemann, Detlev & Schmidt, Michael, 2017. "Climate trends on the extreme winds in Brazil," Renewable Energy, Elsevier, vol. 109(C), pages 110-120.
    3. Glauciene Justino Ferreira da Silva & Nádja Melo Oliveira & Celso Augusto Guimarães Santos & Richarde Marques Silva, 2020. "Spatiotemporal variability of vegetation due to drought dynamics (2012–2017): a case study of the Upper Paraíba River basin, Brazil," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 102(3), pages 939-964, July.
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    Cited by:

    1. Ailton Alves de Carvalho & Marcelo José Gama da Silva & Fabiane Rabelo da Costa Batista & Jucilene Silva Araújo & Abelardo Antônio de Assunção Montenegro & Thieres George Freire da Silva & Thayná Alic, 2023. "Spatio-Temporal Dynamics and Physico-Hydrological Trends in Rainfall, Runoff and Land Use in Paraíba Watershed," Geographies, MDPI, vol. 3(4), pages 1-14, November.
    2. Sugianto Sugianto & Anwar Deli & Edy Miswar & Muhammad Rusdi & Muhammad Irham, 2022. "The Effect of Land Use and Land Cover Changes on Flood Occurrence in Teunom Watershed, Aceh Jaya," Land, MDPI, vol. 11(8), pages 1-18, August.

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