CONTENTS 



LIST OF SYMBOLS . . . Page 5 



INTRODUCTION ... 7 



ANALYSIS OF FIXED AND TOWED OBSERVATIONS OF INTERNAL 

 WAVES ... 8 



NATURE OF FORCED AND FREE INTERNAL TIDES IN 

 THE OCEAN ... 21 



ANALYSIS OF CHAIN DATA RECORDED AT DRIFT STATION ... 28 



ANALYSIS OF CHAIN DATA FROM SAN DIEGO TO HAWAII ... 38 



DISCUSSION OF RESULTS. . . 40 



CONCLUSIONS. . .52 



RECOMMENDATIONS ... 52 



BIBLIOGRAPHY ... 52 



TABLES 



1 Hydrographic Data for Station 1 . . . Page 29 



2 Hydrographic Data for Stations 2 and 3 ... 31 



3 Hydrographic Data for Station 4 ... 34 



4 Amplitudes of Fluctuations with Diurnal and Semidiurnal 

 Periods at Station 4 ... 35 



5 Contributions of First Four Modes to the Observed Fluctuations 

 with Diurnal Periods at Station 4 ... 36 



6 Stationary Depth Change of Isotherms in Upper 230 Meters ... 40 



ILLUSTRATIONS 



1 Cruise pattern AB, BA, CD, and DC . . . Page 13 



2 Graphical presentation of cases (a), (b), and (c). . . 14 



