CONTENTS 



INTRODUCTION. . . page 5 



PREVIOUS STUDIES. . . 5 



OBTAINING THE DATA. . . 8 



GENERAL CHARACTER OF THE DATA. . . 11 



SMOOTHED TEMPERATURE STRUCTURES. . . I 4 



GRADIENT FIELDS. . . 15 



GRADIENT -STRENGTH MAGNITUDES. . . 19 



WAVELENGTHS. . . 23 



PREDICTIVE MODEL OF HORIZONTAL-TEMPERATURE 

 GRADIENTS... 29 



SUMMARY AND CONCLUSIONS. . . 33 



REFERENCES... 34 



APPENDIX A: SMOOTHED TEMPERATURE 

 STRUCTURES... A-l 



APPENDIX B: VERTICAL-TEMPERATURE -GRADIENT 

 FIELDS... B-l 



APPENDIX C: HORIZONTAL-TEMPERATURE -GRADIENT 

 FIELDS. . . C-l 



TABLES 



1 Time and Position of each Sample Area. . . page 9 



2 Temperature-Gradient Magnitudes for Specific Depth Ranges 



from a Single Bathythermogram ... 30 



