Multi-scale analyses of dry spells across Niger and Senegal;Analyses multi-échelles des pauses pluviométriques au Niger et au Sénégal

Science et Changements Planetaires - Secheresse

Volumn 23, Issue 1, 2012, Pages 3-13

  Salack, Seyni ^a,b   Muller, Bertrand ^c,d   Gaye, Amadou T ^a   Hourdin, Frédéric ^e   Cisse, Ndiaga ^b  

^a UNIVERSITÉ CHEIKH ANTA DIOP   (Senegal)

^b Centre Régional Pour l'Amélioration de l'Adaptation À la Sécheresse   (Senegal)

^c UMR AGAP   (France)

^d Centre du riz pour l'Afrique Senegal   (Senegal)

^e LABORATOIRE DE MÉTÉOROLOGIE DYNAMIQUE   (France)

Author keywords

Dry spell; Multi scale distribution; Niger; Rainfall variability; Seasonality; Senegal; West African Sahel

Indexed keywords

EID: 84873956933     PISSN: 11477806     EISSN: 17775922     Source Type: Journal    
DOI: 10.1684/sec.2012.0335     Document Type: Article

References (24)

1. Alhassane A, Traore SB, Zouzou M, Sarr B, Amadou M, 2006. Effet de la fertilisation azotee, de couverture et de la densite de semis sur la consommation hydrique d'une variete de mil au Niger. Science et Technique; Sciences Naturelles et Agronomie 28: 99-116.
2. Ali A, Lebel T, 2009. The Sahelian standardized rainfall index revisited. International Journal of Climatology 29: 1705-14. doi:10.1002/joc.1832
3. Ati OF, Stigter CJ, Oladipo EO, 2002. A comparison of methods to determine the onset of the growing season in northern Nigeria. International Journal of Climatology 22: 731-42.
4. Barron J, RockstromJ, Gichuki F, Hatibu N, 2003. Dry spell analysis and maize yields for two semi-arid locations in East Africa. Agricultural and Forest Meteorology 117: 23-37.
5. Deni MS, Jemain AA, K Ibrahim, 2010. The best probability models for dry and wet spells in peninsular Malaysia during monsoon seasons. International Journal of Climatology 30: 1194-205. doi: 10.1002/joc.1972.
6. Dieng O, Roucou P, Louvet S, 2008. Variabilite intra saisonniere des precipitations au Senegal (1951-1996). Sécheresse 19: 87-93. doi: 10.1684/sec.2008.0130
7. Frappart, F, Hiernaux P, Guichard F, Mougin E, Kergoat L, Arjounin M et al., 2009. Rainfall regime across the Sahel band in the Gourma region, Mali. Journal of Hydrology. doi:10.1016/j.jhydrol.2009.03.007
8. Lana X, Martinez MD, Burgueno A, Serra C, Martin-Vide J, Gomez L, 2008. Spatial and temporal patterns of dry spell lengths in the Iberian Peninsula for the second half of the twentieth century. Theoretical and Applied Cli-matology 91: 99-116.
9. Lebel T, Ali A, 2009. Recent trends in the Central and Western Sahel rainfall regime (1990-2007). Journal of Hydrology. doi:10.1016/j.jhydrol. 2008.11.030
10. Martin-Vide J, Garcia CCL, 1993. Analyse par la chaine de Markov de la secheresse dans le Sud-Est de l'Espagne. Note methodologique. Sécheresse 4: 123-9.
11. Moron V, Robertson AW, Ward MN, 2006. Seasonal Predictability and spatial coherence of rainfall characteristics in the tropical setting of Senegal. Monthly Weather Review 134: 3248-62.
12. Nicholson SE, 2009. On the factors modulating the intensity of the tropical rainbelt over West Africa. International Journal of Climatology 29: 673-89.
13. Oxfam, 2009. What Happened to the Seasons? Oxfam GB Research Report.
14. Roca R, Lafore J-P, Piriou C, Redelsperger J-L, 2005. Extratropical dry-air intrusions into the West African monsoon midtroposphere: An important factor for the convective activity over the Sahel. Journal of Atmospheric Science 62: 390-407.
15. Salack S, 2007. Caracterisation de la variabilite saisonniere de la pluie dans les modèles de climat, dans une perspective d'eétudes d'impacts en agriculture. Memoire de master 2 de recherche en sciences de l'ingenieur, universite Cheikh Anta Diop (Senegal).
16. Salack S, Muller B, Gaye AT, 2011. Rain-based factors of high agricultural impacts over Senegal. Part I. Integration of local to sub-regional trends and variability. Theoretical and Applied Clima-tology 106: 1-22. doi: 10.1007/s00704-011-0414-z
17. Sane T, Diop M, Sagna P, 2008. Etude de la variabilite de la saison pluvieuse au Sud en Haute-Casamance (Sud-Senegal). Secheresse 19: 23-8.
18. Segele ZT, Lamb PJ, 2005. Characterization and variability of Kiremt rainy season over Ethiopia. Meteorology and Atmospheric Physics 89: 153-80.
19. Sivakumar MVK, 1988. Predicting rainy season potential from the onset of rains in Southern Sahelian and Sudanian climatic zones of West Africa. Agricultural.and Forest Meteorology 42: 295-305.
20. Sivakumar MVK, 1992. Empirical analysis of dry-spells for agricultural applications in West Africa. JournalofClimate5:532-9.
21. Stern R, Rijks D, Dale I, Knock J, 2006. Instat Climatic Guide. University of Reading, UK.
22. Sultan B, Baron C, Dingkhun M, Sarr B, Janicot S, 2005. Agricultural impacts of large-scale variability of the West African monsoon. Agricultural and Forest Meteorology 128: 93-110.
23. Sultan B, Janicot S, 2003. The West African monsoon dynamics. Part II: the "preonset" and "onset" of the summer monsoon. Journal of Climate 16: 3407-27.
24. Winkel T, Do F, 1992. Caracteristiques morphologiques et physiologiques de resistance du mil (P. glaucum) a la secheresse. Agronomie Tropicale 46: 339-51.