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Assessment of Groundwater Resource in Climate Variability Context at Sinematiali (North of Côte d'Ivoire)

Author

Listed:
  • Omer Zephir De Lasme

    (University Peleforo Gon Coulibaly, Côte d’Ivoire)

  • Avy Stephane Koffi

    (University Peleforo Gon Coulibaly, Côte d’Ivoire)

  • Dodo Guy Gnali Cedric

    (University Peleforo Gon Coulibaly, Côte d’Ivoire)

Abstract

Study of climate variability gets great importance for integrated water resources management. This work examines impact of climate variability on the evolution of water resources in the Bandama sub-watershed at Sinematiali with a view of better management. The time series of rainfall and discharge were used as a database for this purpose. Known calculation hydrologic methods of Nicholson, Maillet as well as the statistical test for breaking detection (Pettitt test) were applied. The effective rain and recharge were estimated by using the ESPERE software models over the period 1980 to 1987. Climate variability is characterized by alternative season of wet, normal, and dry periods, and a pluviometry break occurred in 1984 year. The annual effective rain was assessed from 30 to 570 mm while recharge of aquifers estimated between 2 and 333 mm. This work constitutes a fundamental base for modeling water resources management at Sinematiali.

Suggested Citation

Handle: RePEc:epw:ejgeo0:v:1:y:2020:i:5:id:16073
DOI: 10.24018/ejgeo.2020.1.5.73
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