Agro-climatic and hydrological characterization of selected watersheds in northern Ghana
2017
Kadyampakeni, Davie M. | Mul, Marloes L. | Obuobie, E. | Appoh, Richard | Owusu, Afua | Ghansah, Benjamin | Boakye-Acheampong, Enoch | Barron, Jennie
This paper provides the climatic and biophysical context of three watersheds in northern Ghana. The objective of the study is to describe the agro-climatic and hydrological features of the watersheds from a landscape perspective. The analyses show that water surplus occurs about 3 months in a year, with only one month providing a significant surplus. Small-scale irrigation is, therefore, carried out in the dry months between November and June. The quality of water used for irrigation from wells, reservoirs and rivers is good for irrigation and domestic purposes. The soil chemical parameters across the study sites show that the soils are suitable for irrigation and crop system intensification, although it requires substantial fertilizer inputs. The paper concludes that there are opportunities from both a soil quality and water availability perspective to enhance sustainable intensification through small- and medium-scale irrigation in the selected watersheds.
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