Lake Region
E4 DO [mg l-1](Q) Aswan Dam Depth [m] Jun 1976 Mar 1984 Sep 1986 Surface 4.5 5.8 (Nov) - 1 - 9.8 - 15 - - 5.0 20 - - - 22 - 8.2 - 28 - - 4.5 Bottom - - -