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  4. Impact of climate change on irrigation requirements in terms of groundwater resources

Impact of climate change on irrigation requirements in terms of groundwater resources

  • Link
    link.springer.com/article/10.1007%2Fs10040-010-0627-8
  • Autores
    "Zhou, Yu Zwahlen, François Wang, Yanxin Li, Yilian"
  • Instituição do autor correspondente
    Centre d’Hydrogéologie et de Géothermie (CHYN), Institut de Géologie et d’Hydrogéologie, Université de Neuchâtel
  • Contacto
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  • Revista e nº
    Hydrogeology Journal 18: 1571-1582
  • Ano
    2010
Projeto
-
Resumo
Climate change affects not only water resources but also water demand for irrigation. A large proportion of the world’s agriculture depends on groundwater, especially in arid and semi-arid regions In several regions, aquifer resources face depletion. Groundwater recharge has been viewed as a by-product of irrigation return flow, and with climate change, aquifer storage of such flow will be vital. A general review, for a broad- based audience, is given of work on global warming and groundwater resources, summarizing the methods used to analyze the climate change scenarios and the influence of these predicted changes on groundwater resources around the world (especially the impact on regional groundwater resources and irrigation requirements). Future challenges of adapting to climate change are also discussed. Such challenges include water-resources depletion, increasing irrigation demand, reduced crop yield, and groundwater salinization. The adaptation to and mitigation of these effects is also reported, including useful information for water-resources managers and the development of sustainable groundwater irrigation methods. Rescheduling irrigation according to the season, coordinating the groundwater resources and irrigation demand, developing more accurate and complete modeling prediction methods, and managing the irrigation facilities in different ways would all be considered, based on the particular cases.
Palavras-Chave
"Climate change; Groundwater management; Irrigation; Arid regions; Salinization " \n
  • geral@cncalteracoesclimaticas.pt
© 2022 INIAV,I.P.

Financimento:

PDR 2020 - Programa de Desenvolvimento Rural 2020

Portugal 2020

Fundo Europeu Agrícola de Desenvolvimento Rural (FEADER)

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