Personnel of merchant and fishing vessels, who have cooperated for many years in taking and reporting weather observations, are now beginning to make observations of water temperatures below the sea surface to depths of 760 m (2,500 ft). Such observations from freighters, tankers, transports, and fishing vessels are made possible by the relatively new expendable bathythermograph, commonly called the 'XBT.' Oceanographers call these cooperating nonoceanographic vessels 'ships of opportunity.' The authors tell of the uses of subsurface temperature data before describing the XBT system and observational procedures aboard ship. Cooperative observational programs are discussed emphasizing the CALIFORNIAN Project in particular. Finally, the authors take a look into the future when they hope there will be a full-scale program of XBT observations in the Northern Hemisphere oceans from some 150 to 200 carefully selected ships of opportunity. (Author)
Expendable Bathythermograph Observations from Ships of Opportunity
1972
9 pages
Report
No indication
English
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