R.R.S. Discovery II 



2571—2574 



Station 



2571 



cont. 



2572 



2573 



Age of 

 moon 

 (days) 



13 



2574 



HYDROLOGICAL OBSERVATIONS 



Depth 

 (metres) 



qS 



150 



200 



300 



400 

 600^ 



800- 



looo'^ 



I4901 

 1980' 

 24701 



2970' 

 3460' 



o 



100 



ISO 

 200 



o 

 10 



20 



30 

 40 



so 

 60 

 80 



100 



150 



200 



300 



400 



S90- 



780= 



980"- 

 1470" 

 1980I 

 2470' 

 2960^ 

 3450' 

 3940' 



o 



10 



20 



30 



40 



SO 



60 



80 



100 



ISO 



200 



300 



400 



600 



800- 



990- 



1470- 



1970^ 



2460^ 



2940I 



3420I 



3920' 



4410^ 



I 4910' 



S95 



997 

 1489 



2471 

 3461 



Temp. 

 °C. 



SS9 



980 

 1470 



1978 



2958 

 3942 



798 



1474 



24S6 

 2935 



3918 



4906 



s °/,., 



■oil 

 0-62 

 I-I9 

 1-43 

 130 

 I 09 

 0-84 

 0-50 

 0-28 

 008 

 002 



-001 



2-19 

 0-79 

 0-30 



0-S3 



3-70 



3-70 



369 



3-60 



360 



3-60 



3S9 



3-Si 



3-40_ 



I 90? 



2-22 

 2-12 

 2-07 

 230 

 2-36 

 230 

 209 

 150 

 lOI 

 0-78 

 051 

 033 



623 

 6-21 

 6-21 

 6-21 



611 



6-II 

 611 

 603 

 5-98 

 4-62 

 4-S2 

 3-S3 

 2-98 

 2-65 

 ,2-S3 

 2-49 

 2-47 

 2-30 



1-85 

 1-45 

 0-94 

 060 

 0-31 

 0-27 



34-35 

 34-4S 

 34-S7 

 34-67 

 34-70 

 34-70 

 34-70 

 34-69 

 34-69 

 34-68 

 34-68 

 34-68 



3 3 90 



27-62 

 27-65 

 27-71 

 27-77 

 27-81 

 27-82 

 27-84 

 27-84 

 27-85 

 27-87 

 27-87 

 27-87 



27-10 



pH 



7-97 

 7-96 

 7-92 

 7-92 

 7-99 

 7-98 



8-OI 

 8-o8 

 8-IO 

 8-11 

 8-o6 

 8-13 



Mg. — atom m. 



33-89 



33-89 



33-89 



33-89 



33-89 



33-89 



33-89 



33-89 



33-89 



34-00 



34-12 



34-24 



34-34 



34-SO 



34-61 



34-69 



34-76 



34-73 



34-70 



34-70 



34-69 



34-68 



2695 

 26-95 

 2696 

 26-96 

 2696 

 26-96 



26-97 

 26-97 

 26-98 

 27-20 

 27-27 

 27-38 

 27-46 

 27-57 

 27-66 

 27-71 

 27-79 

 27-82 

 27-83 

 27-84 

 27-85 

 27-85 



2-57 

 2-64 

 2-64 

 2-64 

 2-64 

 2-53 

 2-59 

 2-70 

 2-72 

 2-76 

 2-76 

 2-76 



Nitrate 



+ 

 Nitrite 



N, 



8-14 



8-14 

 8-14 

 8-14 

 8-14 

 8-14 

 8-14 

 8-12 

 8-12 

 8-07 

 8-OI 

 7-98 

 7-96 

 8-00 

 8-00 

 8-10 

 8-02 

 8-II 

 8-13 

 8-13 

 8-17 

 8-17 



33-88 



33-90 



33-90 



33-90 



33-90 



33-90 



33-90 



33-90 



33-90 



34-00 



34-09 



34-13 



34-15 



34-24 



34-35 



34-46 



34-69 



34-77 



34-76 



34-74 



34-70 



34-69 



34-66 



34-66 



1-54 

 I-S4 

 1-56 

 1-58 

 1-63 

 1-63 

 1-69 

 1-71 

 I-7S 

 2-09 



2-34 

 2-66 

 2-72 

 2-85 

 2-83 

 2-70 

 2-64 

 2-64 

 2-79 

 2-79 

 2-79 

 2-79 



26-67 

 26-68 

 26-68 

 26-68 

 26-69 

 26-69 

 26-69 

 26-70 

 26-71 

 26-95 

 27-03 

 27-17 

 27-24 



27-34 

 27-44 

 27-52 

 27-70 

 27-78 

 27-81 

 27-83 

 27-82 



27-84 

 27-83 

 27-84 



8-12 

 8-12 

 8-12 

 8-12 

 8-12 



8-12 

 8-12 

 8-12 

 8-12 



8-IO 

 8-07 

 8-03 

 8-01 

 7-97 



8-02 



8-03 

 8-05 

 8-10 

 8-IO 

 8-i8 

 8-19 

 8-13 

 8-22 



8-22 



1-41 

 1-48 

 1-54 

 1-54 



1-54 

 I-S4 

 1-56 

 1-63 

 1-50 

 1-67 



1-75 

 2-22 



2-49 



2-72 

 2-81 

 2-89 

 2-70 

 2-57 

 2-59 

 2-59 

 2-78 

 2-79 

 2-79 

 2-79 



Nitrite 



N, 



0-19 

 000 

 0-00 

 000 



4S-2 

 47-7 

 569 

 57-3 

 58-2 

 60-7 

 67-2 

 690 

 74-2 

 76-9 

 77-0 

 75-2 



0-21 

 0-21 

 0-22 



0-2I 

 0-2I 

 0-21 

 0-2I 

 0-21 

 0-2I 

 009 

 000 



o-oo 

 o-oo 



0-26 

 0-26 

 0-26 

 0-26 

 0-26 

 0-26 

 0-26 

 0-26 

 0-25 

 0-12 

 0-00 

 O-OO 



o-oo 



o, 



c.c. 

 litre 



S-85 

 4-99 

 4-39 

 4-20 

 4-19 

 4-32 

 4-36 

 4-36 

 4-40 

 4-52 



4-68 

 4-64 



BIOLOGICAL OBSERVATIONS 



Gear 



N70B 



NiooB 

 N70B 

 NiooB 



4-1 

 4-2 

 4-2 



4-2 

 4-2 



4-2 

 4-3 

 4-3 



4-5 

 14-4 

 18-8 

 23-8 

 31-2 

 43-3 

 43-9 

 44-1 

 47-6 

 60-3 

 61-4 

 64-0 



64-3 

 68-0 



7-19 

 7-13 

 7-11 



7-09 



7-05 

 6-81 



5-93 

 5-14 

 4-57 

 3-79 

 3-84 

 3-84 

 4-27 

 4-29 

 4-21 



4-24 

 4-32 

 4-36 



TD 

 NHP 



N50V 

 NiooH 



N70B 

 NiooB 



NHP 

 N50V 



N70V 



NiooB 

 N70B 

 NiooB 



3-8 

 3-9 

 3-8 

 3-7 

 3-9 

 3-9 

 4-0 

 4-0 

 4-0 

 4-6 

 6-6 

 11-3 

 14-4 



25-5 

 29-7 



35-4 

 38-3 

 37-7 

 52-7 

 53-6 

 59-8 

 63-3 

 71-6 

 71-2 



6-68 

 6-65 

 6-68 

 6-64 



6-65 



6-54 

 6-11 



5-85 

 5-68 



4-98 

 4-28 

 3-78 

 3-83 

 4-17 

 4-28 

 4-16 

 4-1S 

 4-41 

 4-31 

 4-41 



NHP 



N50V 

 N70V 



N70B 

 NiooB 

 NiooB 



Depth 

 (metres) 



113-0 

 300-250 



15 



50-0 



1 00-0 



5-0 



167-0 



50-0 



1 00-0 



50-0 



100-50 



250-100 



500-250 



750-500 



1000-750 



95-0 



300-150 



50-0 

 1 00-0 

 50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



122-0 



325-250 



TIME 



2210 

 2210 



1004 



IO31 

 1035 



2007 



To 



2232 

 2240 



Remarks 



KT 



DGP. N 70 B not 



fishing properly 

 closed prematurely 



1027 

 1057 



1055 



KT 



2228 

 2243 2303 



2243 2314 



2007 



KT 



Depth estimated 



2258 

 2258 



2226 

 2318 

 2328 



KT 

 DGP 



389 



25 



