The Effects of Recent Climatic Variations on Water Yield in the Sokoto Region of Northern Nigeria
Dr. I. J. Ekpoh, Dr. Ekpenyong Nsa

Abstract
This study examined the effects of recent climatic variations on water resources in the Sokoto region of northern Nigeria. In doing this, the study adopted the modeling approach, in which changes in the yield of surface water reservoirs were related to variations in the weather and climate of the region. The results showed that variations in the weather and climate of the region have significantly impacted on water yields in surface reservoirs, with over 80 per cent of the yearly variations in water yield in the Sokoto-Rima Basin being explained by variations in the weather and climate. To prevent any further deterioration of the situation, inter-basin water transfer from the southern rivers of Nigeria (where there are water surpluses) to inland basins in the Sokoto region is recommended. Household level, water-use adjustments have also been recommended for residents, as adaptation to diminishing water supplies. Finally, massive afforestation programme should be implemented in the Sokoto region so as to moderate the regional climate, improve the environment and ultimately increase the yield of surface water resources.

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