Citation
Abstract
The pattern of rainfall and temperature behaviour in the Hadejia River Basin (HRB) has been assessed. The behaviour of rainfall and temperature have been used as proxies in detecting the presence of climate variability. Historical rainfall and temperature monthly data spanning thirty-six years (1980–2015) obtained from the Nigerian Meteorological Agency (NIMET) was used in this study. ANOVA and Mann-Kendall trend test was used for the data analysis. The ANOVA results showed significant variation in rainfall, maximum and minimum temperature between the stations. The Mann-Kendall trend test result shows an increasing trend in both rainfall and temperature in annual statistics, though statistically insignificant. However, the monthly trends result showed mixed results of both significant and insignificant as well as increasing and decreasing trends. The mean, standard deviation and the coefficient of variation were spatially interpolated using inverse distance weightage technique for easy comprehension. Even though the annual increasing trends result was statistically insignificant except for two out of the ten stations, it is still crucial for planning water-related activities and programs considering the sensitivity and fragility of the region to minor climatic variations.
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Additional Metadata
Item Type: | Article |
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Divisions: | Faculty of Environmental Studies |
DOI Number: | https://doi.org/10.1016/j.atmosres.2019.03.023 |
Publisher: | Elsevier |
Keywords: | Rainfall; Climate variability; Mann-Kendall; Semi-Arid; Nigeria |
Depositing User: | Nurul Ainie Mokhtar |
Date Deposited: | 05 Nov 2022 15:48 |
Last Modified: | 05 Nov 2022 15:48 |
Altmetrics: | http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.atmosres.2019.03.023 |
URI: | http://psasir.upm.edu.my/id/eprint/79786 |
Statistic Details: | View Download Statistic |
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