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ISSN: 2351-8014
 
 
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Climatic Drought Characterization Using the Standardized Precipitation Index (SPI) and the North Atlantic Oscillation (NAO) Effects in the Tensift Watershed-Morocco


Volume 67, Issue 2, July 2023, Pages 182–189

 Climatic Drought Characterization Using the Standardized Precipitation Index (SPI) and the North Atlantic Oscillation (NAO) Effects in the Tensift Watershed-Morocco

Jawad El Hawari1, Younes Bouhafa2, Abd Ellatif Sinbri3, Omar Ghadbane4, Othman Rahimi5, Aomar Achehboune6, and Mohamed El Ghachi7

1 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco
2 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco
3 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco
4 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco
5 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco
6 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco
7 Laboratoire Dynamique des Paysages, Risques et Patrimoines, Faculté des Lettres et des Sciences Humaines, Université Sultan Moulay Slimane, Béni Mellal, Morocco

Original language: English

Copyright © 2023 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Drought is a complex natural phenomenon and does not have a precise definition. The frequency of this meteorological and climatic phenomenon has been intensifying in recent decades. It is the most serious natural risk for Morocco’s economy and its future given its harmful impacts. In this work, we study this phenomenon in the Tensift watershed using monthly rainfall series from three weather stations (Aghbalou, Chichaoua, Adamna), they represent the three parts of the basin (upstream, median and downstream). We use the Standardized Precipitation Index (SPI) calculated on several time scales. This allowed us to characterize the fluctuations of this phenomenon, which has become more pronounced during the last decades. We also present the correlation that exists between the SPI values that characterize the amount of rainfall and drought with the North Atlantic Oscillation index as an explanatory factor of this rainfall variability in the region.

Author Keywords: Tensift, monthly rainfall series, drought, SPI, NAO.


How to Cite this Article


Jawad El Hawari, Younes Bouhafa, Abd Ellatif Sinbri, Omar Ghadbane, Othman Rahimi, Aomar Achehboune, and Mohamed El Ghachi, “Climatic Drought Characterization Using the Standardized Precipitation Index (SPI) and the North Atlantic Oscillation (NAO) Effects in the Tensift Watershed-Morocco,” International Journal of Innovation and Scientific Research, vol. 67, no. 2, pp. 182–189, July 2023.