African lakes as seen by Topex/Poseidon, Jason-2 & 3 (in red, satellite ground tracks). Click to connect to the Hydroweb site and see the variations along time of those lakes.

The lakes' variations depend mainly on climate (e.g. precipitations linked to Indian Ocean Temperature for the Great Lake region), or for reservoirs, (Lakes Nasser, Volta, Kariba) of their regulation.