FOREWORD 



ASWEPS reports serve as a primary means of dissemi- 

 nating significant research and development results of 

 the Antisubmarine Warfare Environmental Prediction Ser- 

 vices program. This report, 14th in a series, is the 

 first to describe a newly established task for develop- 

 ing methods of predicting thermal structure and associ- 

 ated effects on ASW operations within ocean areas where 

 water depth is an important parameter. 



Shallow-water investigations were initiated in 1966 

 to improve prediction capabilities in ocean depths be- 

 tween 10 and 500 fathoms. Methods will be developed to 

 modify procedures initially developed for deepwater areas 

 to maximize Fleet effectiveness in shallow oceanic waters, 

 Subsequent publications in this series will report pro- 

 gress of this and other tasks included in the ASWEPS pro- 

 gram. 



T. K. TREADWE 

 Captain, U.S. 

 Commander 



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