R.R.S. Discovery 



144—152 



144 



145 



146 

 147 



148 



149 



150 



13 



151 



H 



HYDROLOGICAL OBSERVATIONS 



Depth 



(metres) 



152 



15 



o 

 '45 



21 



o 



5 



10 

 20 



30 

 40 



5° 



60 



80 



100 



115 



o 

 142 



o 



190 



o 



230 



o 



10 



20 



30 

 40 



50 

 60 

 80 



100 



150 



200 



300 



400 

 600 



800 



1000 



1500 



2000 



3000 

 23s 



Temp. 

 ° Cent. 



2-00 

 0-IS 



•68 



1-35 



I -00 



0-85 

 0-84 

 0-84 



o-8o 



075 

 072 

 o-6o 

 0-25 

 0-25 



3-56 



0-22 



3 '00 

 0-25 

 4-10 

 0-05 



1-20 

 0-92 



o-8i 

 0-76 

 o-6o 

 0-48 

 0-26 

 0-50 



- 0-20 

 0-85 

 I -60 

 I -80 



1-87 



1-73 

 1-52 

 1-07 

 064 

 0-30 



0-68 



s 7c„ 



33-82 

 33-98 



33-68 



33-82 

 33-80 

 33-81 

 33-81 

 33-81 

 33-81 

 33-83 

 33-83 

 33-83 

 34-04 

 34-05 



33-69 

 33-92 



33-68 



34-13 

 33-22 



34-04 



33-84 

 33-84 

 33-84 

 33-82 

 33-82 

 33-84 

 33-84 

 33-87 

 33-98 

 34-11 

 34-30 

 34-34 

 34-56 

 34-64 

 34-67 

 34-70 

 34-70 

 34-65 

 34-65 



34-20 



27-05 

 27-32 



26-97 



27-10 

 27-10 

 27-12 

 27-12 

 27-12 

 27-12 



27-13 

 27-14 

 27-14 

 27-33 

 27-34 



26-80 

 27-24 



26-85 

 27-40 

 26-39 

 27-35 



pH 



27-11 

 27-12 

 27-13 

 27-13 

 27-14 



27-15 

 27-16 



27-20 



27-34 



27-42 



27-51 

 27-50 

 27-65 

 27-71 

 27-75 

 27-79 

 27-83 

 27-80 

 27-82 



27-44 



nigm . 

 p.m.^ 



8-30 

 8-30 

 8-30 

 8-30 

 8-30 

 8-24 

 8-20 

 8-20 

 8-20 



8-20 



8-15 



8-15 

 8-10 



8-05 

 8-00 

 8-00 

 7-96 

 7-96 

 7-96 



109 

 no 



116 

 118 

 118 

 118 

 118 

 118 

 118 

 128 

 132 



Oo 



cc. p.l. 



113 

 113 

 114 



no 

 no 

 109 

 108 

 106 

 119 

 125 



139 

 136 



137 

 125 

 125 

 128 



125 

 125 

 130 



BIOLOGICAL OBSERVATIONS 



OTL 



N7-T 



N4 T 



NCS-T 



BTS 

 NCS-T 



DLH 



OTL 



N4-T 



NCS-T 



OTL 



N4-T 



NCS-T 



N70H 



Nso V 



N70 V 



Depth 

 (metres) 



N 100 H 



N70H 



N450 

 N 100 H 



155-178 



26-35 



728 



TIME 



Shot Hauled 



132-148 



200-234 



DLH 



1 00-0 

 50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



0-5 

 56 

 1 12 



0-5 



66 



132 



1025-1275 



500-625 



245 



1307 



1454 



1358 



1755 



1056 



0545 



0915 



1236 



1329 



1512 



1512 



1114 



1407 



1542 



1430 



Length 

 of tow 

 (miles) 



1825 



I15S 



1715 



0600 



1 155 

 1314 

 1312 



1313 

 1340 



1712 



1705 



[I25 



4-0 



Remarks 



2-5 



3-0 



0-6 



0-6 



3-1 

 3-1 



cod-end, N 7-T and 

 N 4-T torn 



two short hauls on 

 weedy ground 



50 consecutive hauls 

 (A-.\AA)of 15 mins. 

 duration. A hah of 

 15 mins. between NN 

 and 00. Sample 00 

 lost. Sunset 2026; 

 sunrise 0355 



TD 20 m. 



KT 



KT 

 DGB 



49 



