February 2015

Assessment of impact of climate change on runoff in the Kainji lake basin using statistical methods

This paper presents the assessment of impact of climate change on the runoff in the Kainji Lake basin. Hydro-meteorological variables within River Niger sub-basin in Nigeria and upstream countries were obtained from Nigerian Meteorological Agency (NIMET), Nigeria Inland Waterways (NIWA) and hydrological unit of Kainji hydropower station. The variables were subjected to regression and standardized anomaly indices (SAIs)...

Author(s): A. W. Salami, A. A. Mohammed, J. A. Adeyemo and O. K. Olanlokun

February 2015

Rainwater harvesting: An option for dry land agriculture in arid and semi-arid Ethiopia

Subsistence rain-fed agriculture has been widely practiced for many centuries in Ethiopia and this sector has been highly dependent on rainfall. Thus, rainfall remains the crucial component of the weather elements for improving agricultural productivity. Extreme climatic conditions and high inter-annual or seasonal variability of this weather element could adversely affect productivity, because rainfall controls the...

Author(s): Binyam Alemu Yosef and Desale Kidane Asmamaw