CONTENTS 



Page 



Introduction 1 



Instrumentation 2 



Expendable bathythermograph system 2 



NSRT (near-surface reference temperature) unit. ... 3 



Installations aboard SS CALIFORNIAN 3 



Observations 3 



Problems with instrumentation 5 



Temperature errors 5 



Failures 5 



Near-surface irregularities in the trace 6 



Characteristics of temperature sections b 



Further developments 9 



Literature cited 10 



Tables 11 



XBT observations 21 



