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|Title:||STATE AND PERFORMANCE OF WATER RETENTION STRUCTURES OF EARTHEN IRRIGATION DAMS IN NORTHERN GHANA|
|Authors:||Adongo, T. A.|
Abagale, F. K.
|Publisher:||International Journal of Irrigation and Agricultural Development|
|Series/Report no.:||Vol 1;Issue 1|
|Abstract:||The study assessed performance and state of water retention infrastructure of eight (8) irrigation schemes in three (3) northern regions of Ghana. Data was collected using field observation and key informants’ interviews. The results indicated that the Tono and Bontanga earthen irrigation dams’ embankments had no structural defects whereas the embankments of Libga, Golinga, Karni, Vea, Doba and Sankana had some structural defects. Except Libga, all the spillways had no structural deficiencies and signs of risk of failure. All the reservoirs contained some amounts of sediments and weeds. The night storage reservoirs at Tono and Vea were weedy and silted up. The developed irrigable areas of Vea, Tono, Doba, Sankana and Karni schemes had average irrigation rates ranging from 12 - 76 % for the years 2010 - 2017. The water retention infrastructure of the irrigation schemes are recommended for maintenance and periodic repairs to ensure sustainable water retention and availability for crop irrigation.|
|Appears in Collections:||School of Engineering|
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