CONTENTS 



INTRODUCTION. . .page 1 



EQUIPMENT. . . 2 



OBSERVATIONS AND DATA. . . 5 

 Procedure. . . 5 

 Vertical Thermal Oscillations. . . 6 



THERMAL STRUCTURES. . . 7 

 Common Type. . . 9 

 Temperature Inversion. . . 11 

 Cold Water Intrusion. . . 1 2 

 Ridge (or Dome). . . 13 



THERMOCLINE CLASSIFICATION. ..16 

 Smooth Thermocline. . . 17 

 Normal Thermocline. . . 20 

 Rough Thermocline. . . 25 

 Irregular Thermocline. . . 29 



TEMPERATURE STRUCTURE VARIABILITY. . . 32 



Differences of Depth Values (Isotherm Slope). . . 36 

 Autocorrelation of Depth Values. . . 48 

 Power Spectrum of Depth Values. . . 54 

 Turbulence . . . 65 



RECOMMENDATIONS. . . 72 



SUMMARY AND CONCLUSIONS... 72 



REFERENCES. . . 74 



APPENDIX A: THERMAL STRUCTURES (figs. A1-A30)... A-l 



APPENDIX B: ISOTHERM DEPTH DIFFERENCES 

 (figs. B1-B52)... Bl 



APPENDIX C: ISOTHERM DEPTH AUTOCORRELATION 

 (figs. C1-C52)... CI 



APPENDIX D: ISOTHERM DEPTH POWER SPECTRA 

 (SEMI- LOG) (figs. D1-D52)... Bl 



