A study of the seasonal variation of rain-days of different categories in Nigeria in relation to the Miller station types for tropical continents |
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Authors: | O J Olaniran |
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Institution: | (1) Department of Geography, University of Ilorin, Ilorin, Nigeria;(2) Present address: Department of Geography, St. David's University College, Lampeter, Wales, UK |
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Abstract: | Summary The seasonal distribution of rain-days of different categories, namely: rain-days of light showers, rain-days of moderate showers and rain-days of heavy rainfall, were analysed for Nigeria in this study. The areal distribution of the seasonal variation types identified for each rainday category was then examined in relation to the zonal pattern of station types derived by Miller (1971) for tropical continents. Both the areal distribution of the seasonal variation types depicted by rain-days of moderate rainfall and by rain-days ofheavy rainfall were found to conform fully to Miller's theoretical model for the country. Only the areal distribution of the seasonal variation types depicted by rain-days of light rainfall was found not to conform to this theoretical model.
Zusammenfassung In der folgenden Studie wird die jahreszeitliche Verteilung von Regentagen unterschiedlicher Kategorien (d.h. Regentage mit geringem/mäßigem/starkem Niederschlag) für Nigeria untersucht. Die räumliche Verteilung der jahreszeitlichen Variationstypen jeder der untersuchten Kategorien wurde dann mit Millers (1971) Stations-Typen-Muster verglichen. Die räumliche Verteilung der jahreszeitlichen Variationstypen von Regentagen mit mäßigem als auch von solchem mit starkem Niederschlag entsprechen dem theoretischen Modell von Miller für dieses Land; Abweichungen ergeben sich nur für die Kategorie der Regentage mit geringem Niederschlag.
With 7 Figures |
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