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        -          -          -