R.R.S. Discovery 11 



1748—1754 



1748 



cant. 



1749 



1750 



Age of 

 mocn 



(days) 



1751 



1752 



1753 



1754 



HYDROLOGICAL OBSERVATIONS 



Depth 

 (metres) 



lOOO'' 

 1480I 

 1980I 

 2470^ 

 2960' 

 3460I 



O 

 10 



20 



30 



40 



50 

 60 

 80 



100 



15° 



200 



300 



400 

 600^ 



800= 

 970' 



1460' 



1940' 

 24301 



2920^ 



o 

 10 

 20 



30 

 40 



50 

 60 

 80 



100 



150 



200 



300 



400 



800^ 



1000^ 



1500^ 



1990^ 

 2490' 

 2990^ 



3490^ 

 39901 



o 

 10 

 20 



30 



40 



50 

 60 

 80 



Q s 



996 



3458 



797 

 96s 



2925 



Temp. 

 °C. 



613 



1500 

 1994 



3986 



5-38 

 310 

 2-44 

 i-gi 

 1-50 

 1-38 



19-60 



2067 

 20-6o 

 2060 

 2040 

 20-3S 

 20-34 

 18-51 

 14-90 



14-31 

 13-41 

 12-91 

 12-25 

 11-85 

 10-69 



8-94 

 6-57 

 2-95 

 2-31 

 1-84 

 1-62 



21-38 



s °/„ 



34-40 

 34-54 

 34-69 

 34-73 

 34-76 

 34-74 



35-55 



35-71 

 35-71 

 35-71 

 35-65 

 35-65 

 35-64 

 35-53 

 35-45 

 35-44 

 35-35 

 35-26 

 35-16 

 35-°9 

 34-92 

 34-72 

 34-49 

 34-52 

 34-73 

 34-74 

 34-75 



35-72 



20-93 

 20-91 

 20-91 

 20-90 

 20-91 

 20-91 



20-II 



17-99 



16-51 



14-78 



13-91 



I3-II 



12-44 



10-74 



8-90 



6-00 



3-05 



2-35 



1-97 



1-71 



1-37 

 1-07 



19-80 



21-13 

 21-1 I 

 21-11 

 2I-II 

 21-12 

 21-12 

 20-84 



i6-6o 



pH 



35-78 

 35-78 

 35-78 

 35-78 

 35-78 

 35-78 

 35-65 

 35-64 

 35-63 

 35-49 

 35-41 



35-28 

 35-19 

 34-95 

 34-70 

 34-48 

 34-53 

 34-68 



34-75 

 34-75 

 34-74 

 34-71 



35-65 



35-65 

 35-65 

 35-65 

 35-65 

 35-65 

 35-65 

 35-64 

 35-55 



27-17 



27-54 

 27-70 

 27-79 

 27-84 

 27-84 



25-30 



25-14 

 25-16 

 25-16 

 25-17 

 25-18 

 25-17 

 25-57 

 26-36 

 26-48 

 2660 

 2663 

 26-68 

 26-71 

 26-79 

 26-93 

 27-09 

 27-53 

 27-75 

 27-80 



27-83 

 24-96 



25-13 



25-13 

 25-13 



25-14 



25-13 



25-13 



25-24 



25-78 



26-13 



26-41 



26-54 



26-60 



26-67 



26-81 



26-91 



27-17 



27-53 



27-71 



27-80 



27-82 



27-84 



27-84 



8-10 

 8-08 

 8-07 

 8-15 

 8-17 

 8-is 



Mg. — atom m.' 



8-27 

 8-26 

 8-26 

 8-25 

 8-25 

 8-25 



8-25 

 8-28 

 8-27 

 8-25 

 8-24 

 8-22 

 8-22 

 8-23 

 8-19 

 8-20 

 8-05 

 8-18 

 8-19 

 8-13 

 8-15 

 8-14 



25-33 — 



24-97 

 24-97 

 24-97 

 24-97 

 24-97 

 24-97 

 25-04 

 26-05 



1-73 

 2-47 

 2-34 

 209 

 2-13 

 2-22 



0-00 

 o-oo 

 0-00 

 0-00 

 0-00 

 000 

 000 

 o-io 

 0-21 



0-34 

 0-42 



0-53 

 0-61 

 0-76 



l-IO 



1-52 

 2-34 

 2-24 

 2-36 

 2-30 



0-00 

 000 

 000 

 0-00 

 o-oo 

 0-00 

 0-00 

 0-00 

 000 



0-17 

 0-23 

 032 



0-44 

 0-84 



I -06 



1-44 

 2-36 

 3-42 

 2-38 

 2-38 



2-40 



2-38 



Nitrite 



N. 



8-26 

 8-26 

 826 

 8-26 

 8-25 

 8-24 

 8-24 

 8-27 



000 

 O-OO 



0-00 



O-OO 



0-00 

 0-00 

 000 

 000 



Si 



0-00 

 0-00 

 000 

 0-00 

 0-00 

 0-00 

 0-00 

 000 

 0-00 

 0-42 

 o-oo 

 0-00 

 0-00 



2-3 



2-1 



2-3 



2-9 

 2-4 



2-5 

 2-7 

 2-7 



3-6 



2-5 



3-4 

 40 



4-5 



4-5 



5-5 



14-2 



48-7 



58-2 

 74-9 



76-5 



o, 



c.c. 

 litre 



4-34 



3-35 



3-64 

 3-93 

 4-03 

 4-08 



4-88 



4-87 



4-90 

 5-36 



5-26 

 5-10 

 5-15 



5-18 



5-23 

 5-04 

 4-81 



4-16 



3-58 



3-74 

 3-69 

 3-73 



4-83 

 4-86 



4-85 



4-95 



5-33 

 5-08 



5-04 

 5-14 

 5-10 

 4-78 

 4-67 



4-20 



3-62 

 3-65 



3-57 

 3-67 



3-84 



4-04 



BIOLOGICAL OBSERVATIONS 



2-2 

 2-2 

 2-2 

 2-2 

 2-2 

 2-6 



2-3 

 21 



65 



TYFB 



NHP 



N50V 

 N70V 



N450H 



N 450 B 



N450H 

 N450B 



NHP 



N50V 



N70V 



N looH 

 N70B 



NiooB 

 N70B 



N 100 B 



Depth 

 (rretres) 



4-83 



4-86 

 4-84 

 4-89 



TYFB 



NHP 



N50V 



N70V 



450-0 

 1050-600 



50-0 

 100-0 



1000-750 

 750-500 

 500-250 

 250-100 

 100-50 

 50-0 



2000-1900 



1900-0 



900-850 

 850-0 



50-0 

 1 00-0 



1000- 



/.■>^ 



750-500 

 500-250 

 250-100 

 100-50 

 50-0 

 0-5 

 108-0 



338-168 



From 



2900-1400 



50-0 

 100-0 

 1000-750 

 750-500 

 500-250 

 250-100 

 100-50 



SO-o 



2055 

 2055 



0907 



1315 



1515 



0940 

 1140 



2008 



2230 

 2246 



2246 



2135 

 2145 



1150 

 1515 

 1655 



1 140 

 1230 



Remarks 



Depth estimated 

 DGP 



— 5 hours 



DGP 



DGP 



2152 



2252 



2306 

 2316 



KT 

 DGP 



1035 



0902 



1150 



DGP 



1045 



