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Figure 8.7 Approximate number of instruments required 



for research and survey operations 78 



Figure 8.8 Water samplers 80 



Figure 8.9 Reversing thermometer 80 



Figure 8. 10 A submarine recording unit 82 



Figure 8. 11 Current meter 82 



Figure 8. 12 Instruments needed for ships of opportunity. . . 86 



Figure 8. 13 Instruments needed for synoptic vessels 86 



Figure 8. 14 Instruments needed for survey ships 87 



Figure 12. 1 Synoptic reporting network for ASWEPS 131 



Figure 12.2 Desirable qualities of ASWEPS instrumentation. 133 



Figure 12.3 Requirements of the synoptic survey system. . 133 



Figure 12.4 Modified version of the synoptic system 134 



Figure 12.5 Airborne oceanographic platform 134 



Figure 12.6 Moored telemetering buoy 135 



Figure 12.7 Additional instrumentation requirennents. . . . 137 



Figure 14. 1 Oceanographic research tower 161 



Figure 15.1 Airborne radiation thermometer 165 



Figure 17. 1 Deep sea trawl winch 178 



Figure 17.2 Piston coring device 179 



Figure 17.3 Underwater camera 180 



XXI 



