Lake Rukwa is
an endorheic lake in the Rukwa Valley of southwestern Tanzania. The
alkaline Lake Rukwa lies midway between Lake Tanganyika and Lake
Nyasa at an elevation of about 800 metres (2,600 ft), in a parallel
branch of the rift system. Almost half of the lake lies in Uwanda Game
Reserve.
The lake has seen large fluctuations in its size over the years, due to varying inflow of streams. Currently it is about 180 kilometres (110 mi) long and averages about 32 kilometres (20 mi) wide, making it about 5,760 square kilometres (2,220 sq mi) in size. In 1929 it was only about 48 kilometres (30 mi) long, but in 1939 it was about 128 kilometres (80 mi) long and 40 kilometres (25 mi) wide. The lake may at times have been even higher and linked Lake Tanganyika with Lake Malawi; ancient shorelines suggest a final date of overflow into Tanganyika of 33,000BP
The lake has seen large fluctuations in its size over the years, due to varying inflow of streams. Currently it is about 180 kilometres (110 mi) long and averages about 32 kilometres (20 mi) wide, making it about 5,760 square kilometres (2,220 sq mi) in size. In 1929 it was only about 48 kilometres (30 mi) long, but in 1939 it was about 128 kilometres (80 mi) long and 40 kilometres (25 mi) wide. The lake may at times have been even higher and linked Lake Tanganyika with Lake Malawi; ancient shorelines suggest a final date of overflow into Tanganyika of 33,000BP
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