Lake Victoria, Uganda Africa
Isotherms of north-south CTD transects.  Selected stations of CTD transect labeled (NS14, NS6, NS3, and NS0) and the location of the thermistor chain (T).  Reference temperature of 26.7 °C is labeled and plotted as dashed isotherm.
 As the upper figure, for the east-west CTD transects. Drogue measurements near the boat were done from 1800-1840 h 25 April and 1100-1135 h 26 April are illustrated with both direction (º from N) and velocity (cm s-1).