The Volta Lake and Declining Rainfall and Streamflows in the Volta River Basin

摘要: This paper looks at the rainfall and streamflow patterns over two distinct time periods, i.e., 1950–1970 1971–1991 within most prominent catchments in Volta river system – White Oti basins. The first period (1950–1970) represents relatively vegetated low population whilst latter (1971–1990) intense land use practices resulting from increased that have severely degraded environment. These are among significant contributors to lake. lake, which was formed between 1962 1966 Ghana created primarily for hydroelectric power generation, will probably be one of greatest man-made lakes a long time. It produces 912 MW electricity its maximum operating capacity. Recently, there been declines lake levels inadequate and/or runoff feed Comparisons runoffs periods show reductions mean streamflows 32.5% Saboba on 23.1% Nawuni Volta.