Rainfall characteristics as an indicator of drought in semi-arid Kitui district of Kenya

Discovery and Innovation

Volumn 18, Issue 3, 2006, Pages 235-245

  Opere, Alfred O ^a   Awuor, V O ^b   Kooke, S O ^c   Omoto, W O ^b  

^a UNIVERSITY OF NAIROBI   (Kenya)

^b National Council for Science and Technology   (Kenya)

^c Kenya Water Institute (KEWI)   (Kenya)

Author keywords

Factor loadings; Pentads; Principal component; Rainfall onset and cessation; Return period; Season lengths; Water balance

Indexed keywords

EID: 33847134307     PISSN: 1015079X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. Asnani, G. C. 1993. Tropical Meteorology. Indian Institute of Tropical Meteorology: Poona, 2 vol, 1202 pp.
2. Basalirwa, C. P. K and L. A. Ogallo. 1995. The climatological zones of Tanzania based on raifall characteristics. Water Resources Engineering Research Report, University of Dar-es-Salaam.
3. Basalirwa, C. P. K. 1991. Raingauge network designs for Uganda, Ph.D Thesis, University of Nairobi, Kenya.
4. Camberlin, P. and J. Wairoto. 1997. Intraseasonal wind anomalies related to wet and dry spells during the long and short rainy seasons in Kenya. Theor. Appl. Climatol. 58: 57-69.
5. Camberlin, P. and M. Diop. 2002. Application of daily rainfall principal component analysis to the assessment of the rainy season characteristics in Senegal. Clim. Res. 23 (2): 159-169.
6. Camberlin, P. and R. E. Okoola. 2003. The onset and cessation of the "long rains" in eastern Africa and their interannual variability. Theor. Appl. Climatol. 75: 43-54.
7. Castell, R. B. 1966. The Scree test for the number of factors. Multivar. Behav. Res. 1: 245-276.
8. Dent, M. C., R. C. Schulze, H. M. Wills and S. D. Lynch. 1987. Spatial and temporal analysis of the recent drought in the summer rainfall region of Southern Africa, Water SA. 13 (1): 37-42.
9. Drosdowsky, W. 1993. An analysis of Australian seasonal rainfall anomalies: 1950-1987. I: spatial patterns. J. climate. 13: 1-30.
10. Dyer, T. G. J and P. D. Tyson. 1977. Estimating above and below normal rainfall periods over South Africa. Journal of Applied Meteorology 2: 145-147.
11. Mhita, M. S. and I. R. Nassib. 1987. The onset and end of rains in Tanzania. In: Proc of the First Technical Conf on Meteor Research in Eastern and Southern Africa. KMD, Nairobi, 6-7 Jan. 1987, 33-37.
12. Nieuwolt, S. 1978. Rainfall and drought frequencies in East Africa. Erkunde. 32: 81-88.
13. Nieuwolt, S. 1979. The East African Monsoons and their effects on Agriculture GeoJournal. 3(2): 193-200.
14. Ogallo, L. A. 1984. Temporal fluctuations of the seasonal rainfall patterns in East Africa. Mausam. 35: 175-180.
15. Ogallo, L. A. 1987. Impacts of the 1982-83 ENSO event over Eastern and Southern Africa. Climate Crisis. The societal impacts associated with the 1982-83 world wide climate anomalies. Environmental and societal impacts group, National Center for Atmospheric Research 55-61.
16. Ogallo, L. A. 1988. The spatial and temporal clusters of the East African Seasonal Rainfall anomalies derived from Principal component analysis. J. Climatol. 6: 1-23.
17. Ogallo, L. A. 1989. The spatial and temporal patterns of East African Seasonal Rainfall derived from Principal component analysis. J. Climatol. 9: 145-167.
18. Okoola, R. E. 1998a. Spatial evolutions of the active convective patterns across the Equatorial Eastern Africa region during northern hemisphere spring season using Out going Long wave Radiation records. Meterol. Atmos Phys. 66 (1-2): 51-63.
19. Okoola, R. E. 1998b. Characteristics of ITCZ over Equatorial Eastern Africa based on station rainfall records. J. African Meteor Soc. 3 (1): 61-101.
20. Okoola, R. E. 1999a. A diagnostic study of the Eastern African monsoon circulation during the northern hemisphere spring season. Int J. Climatol. 19: 143-168.
21. Okoola, R. E. 1999b. Mid-tropospheric circulation patterns associated with extreme wet and dry episodes over Equatorial Eastern Africa during the Northern Hemisphere Spring. J. Appl Meteor 38: 1161-1169.
22. Palmer, W. C. 1965. Meteorological drought. Research Paper No. 45, U.S. Department.
23. Yevjevich, V. 1967. An Objective Approach to Definitions and Investigations of Continental Hydrologic Droughts. Hydrol. Paper 23, Colorado State University, Fort Collins, Colorado.
24. Zucchini, W. and P. T. Adamson. 1984. The occurrence and severity of droughts in South Africa. WRC Report No. 91/1/84, Department of Civil Engineering, University of Stellenbosch, South Africa.