INTENSITY mrshr * 02 4 6 8 10 i2 4 16 18 20 5 20 ® 40 e it = 60 z n xz 5 w a x g » sof g 5 the 4 o 2 4 6 10 1214 16 o 't 2 ; ' 5; 4 - : - rT 4- 100 6 TT te j | OF — ~ 120 — 140; 4-1. Sta |! Ste. 166° OG'E 1500 May 6 Hydro Ste 6 12° 30'N . 166° 16-6'E Hond Cost 167° 35'E ©1900 May 6 © Second Cast 1600 May 6 by > 119 55.3'N 12° 10'N X Preliminary ae 2) Wire O 2300 May7 Depths by Hydro Wire % intensity ac Determined by Thick Walled Geiger Instrument MarK IT Calibroted for Application to Estimated Fallout Material Underwater Figure 3.4 Mark II vertical radioactivity profiles, Shot 5. ° w=< 0 4 ’ 8 ! 12 ! 16 ! OtH 20 i tN HOURS 24 1 2 1 32°0—COS 1 ' 40 I 44 ! 204 5° =x = w 404 z x = 604 w& ° x er Fr @04 8 WOOF ae eee aes AVERAGE DEPTH OF THERMOCLINE ae aaa eee Figure 3.5 Progress of vertical mixing. 36 48 t