[ Identification des dates de démarrage et de fin des saisons pluvieuses dans la zone agroécologique 5 du Bénin (Afrique de l’ouest) ]
Volume 36, Issue 3, June 2022, Pages 892–903
E. Gbaguidi Hippolyte1, F. Avahounlin Ringo2, Kélomé C. Nelly3, and Expédit W. VISSIN4
1 Chaire Internationale de Physique Mathématique et Applications (CIPMA-CHAIRE-UNESCO), Benin
2 Chaire Internationale de Physique Mathématique et Applications (CIPMA CHAIRE-UNESCO, FAST, UAC), Benin
3 Département des Sciences de la Terre, Université d’Abomey-Calavi (FAST, UAC), Benin
4 Laboratoire Pierre Pagney: Climat, Eau, Ecosystèmes et Développement (LACEEDE/UAC), Abomey-Calavi, 03 BP 1122 Cotonou, Benin
Original language: French
Copyright © 2022 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.
In agroecological zone 5 of Benin, agriculture is mainly rainfed and is closely linked to the evolution of the characteristics of the rainy season. This is intended to be a scientific contribution to the determination of the annual agricultural period linked to the rainy season at the scale of agroecological zone 5 of Benin. A reliable prediction of the start and end date of the rainy season would effectively help the preparation of fields, the mobilization of seeds, labor and equipment and also reduce the risk of sow too early or too late. The model of the cumulative percentage of average rainfall and the hydrological criterion, methods based on the analysis of rainfall at the scale of the study area, made it possible to identify the periods determining the rainy season in the study area. We observe greater instabilities at the start of the seasons than at the end. This trend differs according to climatic regimes.
Author Keywords: Agriculture, agroecological zone 5 of Benin, start date, end date, rainy seasons.
Volume 36, Issue 3, June 2022, Pages 892–903
E. Gbaguidi Hippolyte1, F. Avahounlin Ringo2, Kélomé C. Nelly3, and Expédit W. VISSIN4
1 Chaire Internationale de Physique Mathématique et Applications (CIPMA-CHAIRE-UNESCO), Benin
2 Chaire Internationale de Physique Mathématique et Applications (CIPMA CHAIRE-UNESCO, FAST, UAC), Benin
3 Département des Sciences de la Terre, Université d’Abomey-Calavi (FAST, UAC), Benin
4 Laboratoire Pierre Pagney: Climat, Eau, Ecosystèmes et Développement (LACEEDE/UAC), Abomey-Calavi, 03 BP 1122 Cotonou, Benin
Original language: French
Copyright © 2022 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
In agroecological zone 5 of Benin, agriculture is mainly rainfed and is closely linked to the evolution of the characteristics of the rainy season. This is intended to be a scientific contribution to the determination of the annual agricultural period linked to the rainy season at the scale of agroecological zone 5 of Benin. A reliable prediction of the start and end date of the rainy season would effectively help the preparation of fields, the mobilization of seeds, labor and equipment and also reduce the risk of sow too early or too late. The model of the cumulative percentage of average rainfall and the hydrological criterion, methods based on the analysis of rainfall at the scale of the study area, made it possible to identify the periods determining the rainy season in the study area. We observe greater instabilities at the start of the seasons than at the end. This trend differs according to climatic regimes.
Author Keywords: Agriculture, agroecological zone 5 of Benin, start date, end date, rainy seasons.
Abstract: (french)
Dans la zone agroécologique 5 du Bénin, l’agriculture est essentiellement pluviale et est étroitement liée à l’évolution des caractéristiques de la saison des pluies. La présente se veut être une contribution scientifique à la détermination de la période agricole annuelle liée à la saison pluvieuse à l’échelle de la zone agroécologique 5 du Bénin. Une prédiction fiable de la date de démarrage et de la fin de la saison des pluies permettrait d’aider efficacement la préparation des champs, la mobilisation des graines, de la main d’œuvre et de l’équipement et aussi de réduire les risques de semer trop tôt ou trop tard. Le modèle du pourcentage cumulé des pluies moyennes et le critère hydrologique, méthodes basées l’analyse des précipitations à l’échelle du secteur d’étude ont permis de dégager les périodes déterminants la saison des pluies dans le secteur d’étude. On observe des instabilités plus fortes dans le démarrage des saisons qu’à la fin. Cette tendance diffère suivant les régimes climatiques.
Author Keywords: Agriculture, zone agroécologique 5 du Bénin, date de démarrage, date de fin, saisons des pluies.
How to Cite this Article
E. Gbaguidi Hippolyte, F. Avahounlin Ringo, Kélomé C. Nelly, and Expédit W. VISSIN, “Identification of the start and end dates of the rainy seasons in agroecological zone 5 of Benin (West Africa),” International Journal of Innovation and Applied Studies, vol. 36, no. 3, pp. 892–903, June 2022.
