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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/12186

Title: ESTABLISHMENT OF RAINFALL INTENSITY-DURATION-FREQUENCY (IDF) CURVES FOR MAMPONG-ASHANTI MUNICIPAL AREA OF THE ASHANTI REGION IN GHANA
Authors: Kotei, R
Kyei-Baffour, N
Ofori, E
Agyare, W. A
Keywords: rainfall
intensity-duration-frequency
hydro climatology
return period
exceedence proability
Issue Date: Sep-2013
Publisher: ARPN Journal of Engineering and Applied Sciences
Citation: ARPN Journal of Engineering and Applied Sciences, VOL. 8, NO. 9
Abstract: The paper presents intensity-duration-frequency (IDF) curves developed for the Mampong-Ashanti Municipal area using autographic rainfall data. The intensity-duration-frequency relationship is a mathematical relationship between the rainfall intensity, the duration and the return period commonly required for planning and designing of various hydrological resource projects. Many sets of relationships have been developed and used in several parts of the world. This relationship is determined through statistical analysis of samples of records collected from the catchment’s meteorological station. Mampong-Ashanti Municipal area in the Ashanti Region of Ghana has a daily rainfall recording rain gauge. A total of six different durations ranging from 5 minutes to 60 minutes for return periods of 1, 2, 3, 4, 6, 7, 11 and 22 years were analyzed. The IDF curves for the area were developed using the available rainfall data, Weibull plotting position and empiricism.
Description: This article is published in ARPN Journal of Engineering and Applied Sciences
URI: http://hdl.handle.net/123456789/12186
ISSN: 1819-6608
Appears in Collections:College of Agric and Natural Resources

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