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Title: | Rainfall Trend, Changes And Their Socio-Economic And Ecological Impacts On The Sumampa Catchment For The 1980-2019 Period |
Authors: | Kotei, R Kyei-Baffour, N Ofori, E Agyare, W. |
Keywords: | Variability Trends Seasonality Forecasting |
Issue Date: | Jun-2013 |
Publisher: | International Journal of Engineering Research & Technology |
Citation: | International Journal of Engineering Research & Technology,Vol. 2 Issue 6 |
Abstract: | The study investigatedtrend and variability of
rainfall in the Sumampa catchment by assessing
daily, monthly, annual and decadal changes from
1980 to 2009. Monthly, seasonal and annual data
were computed from the daily data series and
graphically and statistically analysed to detect trend,
changes and variability. The mean daily rainfall for
the dry, minor and major seasons increased
respectively by 63.9%, 17.57% and 11.84% in the
2000-2009 decade. The mean daily and decadal
rainfalls respectively increased by 11.07% and 6.24%
in 2000-2009.56.33% and32.44% of rainfall were
respectively recorded in the major and minor
cropping seasons. The Augmented Dickey-Fuller
Test (ADF test) shows statistical evidence of
stationary series (p = 0.01); the ARIMA model and
the Holt-Winters method forecasted maximum
amount of rainfall in the month of June and the
minimum in January with no general trend of
increase or decrease over the ten year period. |
Description: | This article is published inInternational Journal of Engineering Research & Technology |
URI: | http://hdl.handle.net/123456789/12184 |
ISSN: | 2278-0181 |
Appears in Collections: | College of Agric and Natural Resources
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