ADMINISTRATIVE INFORMATION 



This work was done in the Marine Environment 

 Division under SR 004 03 01, Task 0580 (NEL L40451) from 

 June 1963 to June 1964. The report was approved for 

 publication 26 July 1965. The bibliography could not have 

 been compiled without the help of the NEL library staff and 



D. Quist. Comments on the manuscript by G. H. Curl and 



E. C. LaFond are gratefully acknowledged. 



CONTENTS 



INTRODUCTION. . .page 3 



Background. . . 3 



Limitations on measurement. . . 4 

 EFFECTS ON UNDERWATER SOUND. . . 6 



Frequency channels. . . 6 



Breaking of internal waves. . . 9 



Other effects . . . 10 

 STAGES OF INTERNAL WAVES. ..10 



Origin. . . 11 



Existence. . . is 



Destruction. . . 15 



Direction. . . 18 

 SUMMARY. ..19 

 BIBLIOGRAPHY. . . 21 



ILLUSTRATIONS 



1 Distribution of papers on internal waves by year. ..page 4 



2 An example of the mode structure of internal waves. . . 13 



3 Observations of temperature at three stations. ..16,17 



