Ghana - Land and water survey in the Upper and Northern regions, final report - Vol 5, water resources development and soil conservation - App. 1, Summaries of the interim reports on the Tono, Tamne, Lamassa, Mpaha and bongtanga irrigation schemes.

abastecimiento de agua approvisionnement en eau barrage besoin en eau canal canales canals clima climat climate cost analysis cost benefit analysis dams drainage systems economic situation embalses engineering estudios de factibilidad feasibility studies geologia geologie geology gestion inversiones investissement investment irrigation management necesidades de agua operating costs production red de drenaje represas riego soil sol suelo water requirements water reservoirs water supply