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Article

Rainfall Variability and Trend Analysis of Rainfall in West Africa (Senegal, Mauritania, Burkina Faso)

1
UMR IDÉES CNRS 6266, Rouen University, 76821 Mont Saint Aignan CEDEX, France
2
Department of Geography, Valahia University, 130001 Târgovişte, Romania
*
Author to whom correspondence should be addressed.
Water 2020, 12(6), 1754; https://doi.org/10.3390/w12061754
Received: 13 May 2020 / Revised: 7 June 2020 / Accepted: 12 June 2020 / Published: 19 June 2020
(This article belongs to the Special Issue Water Quality of Freshwater Ecosystems in a Temperate Climate)
This study concerns the West African Sahel. The Sahelian climate is characterized by a long dry season and a rainy season which starts in June and ends in September–October. This latter season is associated with the process of oceanic moisture transfer to the mainland (the West African Monsoon). This movement is governed by an overall moving of the meteorological equator and its low-pressure corridor (Intertropical Convergence Zone, ITCZ) towards the north, under the effect of the attraction of the Saharan thermal depressions and a greater vigor of the anticyclonic nuclei. This study was conducted on 27 Sahelian climatic stations in three countries (Burkina Faso, Mauritania, and Senegal). The method used to determine the modes of this variability and the trends of rainfall is the chronological graphic method of information processing (MGCTI) of the “Bertin Matrix” and continuous wavelets transform (CWT). Results show a rain resumption observed in the recent years over the Sahelian region and a convincing link with the surface temperature of the Atlantic Ocean. View Full-Text
Keywords: West Africa; climate change; rainfall variability West Africa; climate change; rainfall variability
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MDPI and ACS Style

Nouaceur, Z.; Murarescu, O. Rainfall Variability and Trend Analysis of Rainfall in West Africa (Senegal, Mauritania, Burkina Faso). Water 2020, 12, 1754. https://doi.org/10.3390/w12061754

AMA Style

Nouaceur Z, Murarescu O. Rainfall Variability and Trend Analysis of Rainfall in West Africa (Senegal, Mauritania, Burkina Faso). Water. 2020; 12(6):1754. https://doi.org/10.3390/w12061754

Chicago/Turabian Style

Nouaceur, Zeineddine, and Ovidiu Murarescu. 2020. "Rainfall Variability and Trend Analysis of Rainfall in West Africa (Senegal, Mauritania, Burkina Faso)" Water 12, no. 6: 1754. https://doi.org/10.3390/w12061754

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