Open AccessX-Raying Rainfall Pattern and Variability in Northeastern Nigeria: Impacts on Access to Water Supply
Author(s) -
H. T. Ishaku,
M. Rafee Majid
Publication year - 2010
Publication title -
journal of water resource and protection
Language(s) - English
Resource type - Journals
eISSN - 1945-3108
pISSN - 1945-3094
DOI - 10.4236/jwarp.2010.211113
Subject(s) - arid , water supply , geography , environmental science , period (music) , return period , physical geography , hydrology (agriculture) , water resource management , climatology , ecology , geology , archaeology , physics , acoustics , biology , flood myth , environmental engineering , geotechnical engineering
This paper is premised on the hypothesis that the amount of rainfall in Nigeria decreases with increasing distance from the coastal areas to the north semi arid lands. This belief widely held in some circles does not really follow this pattern due to other climatic factors. This paper examined rainfall pattern and its variability in northeastern Nigeria and its impacts on access to water supply. Data on the mean monthly rainfall over a period of 33 years (1970-2002) were collected from the Nigeria Meteorological Agency (NIMET) in Abuja, Nigeria. The result of the analysis indicates that the mean annual rainfall in the study area is not dependent on distance but some other climatic factors such as relief, solar radiation, temperature, winds, and nature of soil among others. Thus, the amount of rainfall received in Taraba and Borno states which are located in the southern most and extreme end of the study area respectively were higher than that of Gombe state which lies in between them
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