CONTENTS 



INTRODUCTION. . . page 5 



MEASUREMENT SITE. . .5 



TOWER... 7 



INSTRUMENTS. . . 8 



OBSERVATIONAL PROCEDURE. . . 22 



DATA... 23 



Turbidity Structure --Time Series. . .2S 

 Turbidity--Temperature. . .25 

 Turbidity and Temperature Gradients. . .2 7 

 Short -Period Changes in Turbidity. . . 28 

 Acoustic Scattering from Turbid Layers. . .SO 

 Biology. . . 33 



DISCUSSION. ..34 



SUMMARY AND CONCLUSIONS. . .S4 



RECOMMENDATIONS. . .2.*^ 



REFERENCES. . . SS 



