Rainfall Recovery in North-East Arid Zone of Nigeria: Comparative Analysis of Drought and Post Drought Decades

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Published: 08-10-2021 — Updated on 08-10-2021

DOI: 10.9734/ajgr/2021/v4i498

Page: 1-16

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Ahmed Abubakar Jajere *

Department of Geography, Federal University of Kashere, Gombe State, Nigeria.

Adam Modu Abbas

Department of Geography, Federal University of Kashere, Gombe State, Nigeria.

Ali Abdu

Department of Geography, Federal University of Kashere, Gombe State, Nigeria.

*Author to whom correspondence should be addressed.


Abstract

This study used annual rainfall records from three stations within the North East Arid Zone of Nigeria for the period (1957-2017) to measure the extent of the rainfall recovery by comparing the drought decades and post drought decades rainfall patterns. Monthly rainfall records from Potiskum, Maiduguri and Nguru Stations were used. Descriptive and inferential statistical tools were employed in analysing the data. The findings of the study revealed a significant year-to-year variability in rainfall characteristics around 61 years (1957-2017) averages. The variability was large in 1970s up till 1990s, and lower in 1960s and from 2000 to 2018. Decreasing trend in annual rainfall amount was observed during the study period while a stability in onset and cessation dates were observed. The differences between 1957-1986 and 1987-2017 climatic season were found to be statistically insignificant. The study concluded that the reported rainfall recovery from drought is statistically insignificant and the observed long term mean trend revealed a decreasing trend. Therefore, the theory of Sahel rainfall recovery can be better termed as a ‘’break of the series of drought or decline in frequency and magnitude of occurrence of drought’’ The research recommended the continuations with the drought adaptation and mitigation strategies adopted by local population, decisions makers and organizations following the series Sahelian droughts of 1970s and 1980s.

Keywords: Rainfall, drought, variability, arid and Sahel


How to Cite

Jajere, A. A. ., Abbas, A. M., & Abdu, A. . (2021). Rainfall Recovery in North-East Arid Zone of Nigeria: Comparative Analysis of Drought and Post Drought Decades. Asian Journal of Geographical Research, 4(4), 1–16. https://doi.org/10.9734/ajgr/2021/v4i498

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