•23- 



interesting to extend the heat and density flux measurements 

 to lower levels in the ocean. 



Acknowledgement 

 The author is very grateful to Dr. T. F, Webster 

 for making available the partly unpublished data used in this 

 study and for various advice in handling this material. Also 

 Prof. Victor P. Starr is to be credited for encouragement and 

 valuable discussions. Thanks are due to Miss Isabel Kole for 

 drafting the figures. Finally, the author is indebted to the 

 "Netherlands Organization for Advancement of Pure Research 

 (Z. W, O, )" for financial support in the form of a Nato Science 

 Fellowship. 



