Identification of agro-hydrologic regions in Sierra Leone

Theoretical and Applied Climatology

Volumn 57, Issue 1-2, 1997, Pages 49-63

  Kamara, S I ^a   Jackson, I J ^b  

^a UNIVERSITY OF NEW ENGLAND   (Australia)

^b CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

AGRICULTURAL METEOROLOGY; HYDROLOGICAL REGIME; RAINFALL PATTERN; RAINFED AGRICULTURE;

SIERRA LEONE;

EID: 0031414858     PISSN: 0177798X     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF00867976     Document Type: Article

References (35)

1. Anderberg, M. R., 1973: Cluster Analysis for Applications. San Diego: Academic Press, pp. 359.
2. Austin, M. P., Yap, G. A., 1978: Definition of rainfall regions of south-eastern Australia by numerical classification methods. Arch. Met. Geoph. Biokl., Ser. B, 26, 121-142.
3. Bonell, M., Summer, G., 1992: Autumn and winter daily precipitation areas in Wales, 1982-1983 to 1986-1987. Int. J. Climatol., 12, 77-102.
4. Cattell, R. B., 1966: The scree test for the number of factors. Mult. Behav. Resear., 1, 245-276.
5. Daultrey, S., 1976: Principal Components Analysis. Concepts and techniques in Modern Geography, 8, 1-51.
6. Davies, R. E., Kalkstein, L. S., 1990: Development of an automated spatial synoptic climatological classification. Int. J. Climatol., 10, 768-794.
7. Domroes, M., Ranatunge, E., 1992: The orthogonal structure of monsoon rainfall variation over Sri Lanka. Theor. Appl. Climatol., 46, 109-114.
8. Gregory, S., 1965: Rainfall over Sierra Leone, Research paper No. 2, Department of Geography, University of Liverpool.
9. Gregory, S., 1991: Spatial patterns of annual July-June rainfall fluctuations in tropical Queensland, 1900/01 to 1979/80. Aust. Geog. Studies, 29, 93-113.
10. Hershfield, D. M., 1965: On the spacing of raingauges, Proceedings WMO/IASH Symposium on the design of hydrological networks, Quebec, IASH Pub. No. 67, 72-79.
11. Hutchinson, M. F., 1989: A new objective method of spatial interpolation of metcrological variables from irregular networks applied to the estimation of monthly solar radiation, temperature, precipitation and windrun CSIRO Division of Water Resources, Technical Memorandum 89/5 95-104.
12. Jackson, I. J., 1989: Climate, Water and Agriculture in the Tropics, 2nd edn. Harlow: Longman and J. Wiley, pp. 377.
13. Jackson, I. J., Weinand, H., 1994: Towards a classification of tropical rainfall stations. Int. J. Climatol., 14, 263-286.
14. Jackson, I. J., Weinand, H., 1995: Classification of tropical rainfall stations: a comparison of clustering techniques. Int. J. Climatol., 15, 985-994.
15. Johnston, R. J., 1978: Multivariate Statistical Analysis in Geography. Harlow: Longman, pp. 280.
16. Jolliffe, I. T., 1986: Principal Component Analysis. Berlin: Springer.
17. Kalkstein, L. S., Corrigan, P., 1986: A synoptic climatological approach for environmental analysis: assessment of sulfur dioxide concentrations. Ann. Assoc. Amer. Geogr., 76, 381-395.
18. Kalkstein, L. S., Tan, G., Skindlov, J. A., 1987: An evaluation of three clustering procedures for use in synoptic climatological classification. J. Climate. Appl. Meteor., 26(6), 717-730.
19. Kamara. S. I., 1982: An Evaluation of Annual and Seasonal Moisture Conditions over Guinea and Sierra Leone. Unpublished MSc thesis, University of Sheffield.
20. Kamara, S. I., 1986: The origins and types of rainfall in West Africa. Weather, 41, 48-56.
21. Kamara, S. I., Jackson, I. J., 1996: A new soil-moisture based classification of raindays and drydays and its application to Sierra Leone. Theor. Appl. Climatol., (in press).
22. Mather, P. M., 1976: Computational Methods of Multivariate Analysis in Physical Geography. London: Wiley.
23. Oliver, J. E., 1991: The history, status, and future of climatic classification. Phys. Geogr., 12, 231-251.
24. Periago, M. C., Lana, X., Serra, C., Fernando, M. G., 1991: Precipitation regionalisation: an application using a meteorological network in Catalonia (NE Spain). Int. J. Climatol., 11, 529-543.
25. Rodda, J. C., 1962: An objective method for assessment of areal rainfall amounts. Weather, 17, 54-59.
26. Russel, J. S., 1987: Classification of Climate in Agrometeorological Research, in Agrometeorological Research Needs of the Semi-Arid Tropics, ICRISAT.
27. Spath, H., 1980: Cluster Analysis Algorithms for Data Reduction and Classification of Objects. New York: Ellis Horwood.
28. Stern, R. D., Coe, R., 1982: The use of rainfall models in agricultural planning. Agricultural Meteorology, 26, 35-50.
29. Stone, R. C., 1989: Weather types at Brisbane Queensland: an example of the use of principal components and cluster analysis. J. Climatol., 9, 3-32.
30. Unwin, D. J., 1969: The areal extension of rainfall records: an alternative model. J. Hydrol., 7, 404-414.
31. Wahba, G., Wendelberger, J., 1980: Some new mathematical methods for variational objective analysis using splines and cross validation. Mon. Wea. Rev., 108, 1122-1143.
32. Wheeler, D., 1990: Modelling long-term rainfall patterns in north-east England. Meteor. Magazine, 119, 68-74.
33. White, D., Richman, M., Yarnal, B., 1991: Climate regionalisation and rotation of principal components. Int. J. Climatol., 11, 1-25.
34. Willmott, C. J., 1978: P-mode principal components analysis, Grouping and precipitation regions in California. Arch. Met. Geoph. Biokl., Series B, 26, 277-295.
35. Wishart, D., 1978: Clustan User Manual. London: University College Computer Centre.