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Spatio-Temporal Dynamics and Physico-Hydrological Trends in Rainfall, Runoff and Land Use in Paraíba Watershed

Author

Listed:
  • Ailton Alves de Carvalho

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

  • Marcelo José Gama da Silva

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

  • Fabiane Rabelo da Costa Batista

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

  • Jucilene Silva Araújo

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

  • Abelardo Antônio de Assunção Montenegro

    (Department of Agricultural Engineering, Federal Rural University of Pernambuco (UFRPE), Av. D. Manoel de Medeiros, Recife 52171-900, Brazil)

  • Thieres George Freire da Silva

    (Department of Agricultural Engineering, Federal Rural University of Pernambuco (UFRPE), Av. D. Manoel de Medeiros, Recife 52171-900, Brazil
    Academic Unit of Serra Talhada, Federal Rural University of Pernambuco, Gregório Ferraz Nogueira Avenue, s/n, Serra Talhada 56909-535, Brazil)

  • Thayná Alice Brito Almeida

    (Department of Agricultural Engineering, Federal Rural University of Pernambuco (UFRPE), Av. D. Manoel de Medeiros, Recife 52171-900, Brazil)

  • Marcos Vinícius da Silva

    (Department of Vegetable Production, Federal University of Alagoas, Center for Agricultural Sciences, BR 104, Rio Largo 57100-000, Brazil)

  • Joelma Dias

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

  • Iara Tamires Rodrigues Cavalcante

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

  • Jhon Lennon Bezerra da Silva

    (National Institute of the Semiarid (INSA), Department of Water Resources, Campina Grande 58434-700, Brazil)

Abstract

The detection and monitoring of changes in land use and land cover play a crucial role in understanding land degradation and are fundamental to preserving agroecosystems. Their association with hydrological information allows essential responses to changes in hydrological patterns to be identified, contributing to water security in watersheds. Therefore, this study aimed to assess spatio-temporal dynamics and physico-hydrological trends in rainfall, runoff and land use in the Paraíba watershed. The study was conducted in the Paraíba watershed, using land use data and information from pluviometric and fluviometric stations with temporal series of more than 30 years. The Mann-Kendall statistical test was adopted to verify trends. Results indicate annual reduction trends for both native forest area and water bodies in the Paraíba watershed. On the other hand, the area designated for agriculture showed a significant increase. The correlation analysis between water bodies and forests (R² = 0.63) highlights a strong association between the decrease in forest area and the reduction in water availability, influencing the decrease in annual flow. These results serve as a warning to expand water resource management for the region, aiming to preserve and to enhance sustainable use. Therefore, the implementation of conservation measures, monitoring procedures, and adequate management is required to face the challenges imposed by climate change and land use and occupation, ensuring the water availability for the future.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jgeogr:v:3:y:2023:i:4:p:38-727:d:1274496
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    References listed on IDEAS

    as
    1. 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.
    2. Cheila Avalon Cullen & Rafea Al Suhili, 2023. "Assessing Rainfall Variability in Jamaica Using CHIRPS: Techniques and Measures for Persistence, Long and Short-Term Trends," Geographies, MDPI, vol. 3(2), pages 1-23, May.
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