R.R.S. Discovery 11 



2301—2305 



2301 



2302 



2303 



2304 



Age of 

 moon 

 (days) 



Depth 

 (metres) 



25 



26 



27 



2305 



HYDROLOGICAL OBSERVATIONS 



O 

 10 

 20 



30 

 40 



50 



60 



80 



100 



150 

 200 

 300 

 400 

 580I 

 780I 

 980I 

 1470' 



ig6o' 



o 

 10 

 20 



30 

 40 



50 



60 



80 



100 



150 



200 



300 



400 



59°^ 



790^ 



990' 



1480I 



1970^ 



2450I 



2940I 



o 

 10 

 20 



30 

 40 



50 



60 



80 



100 



150 

 200 

 300 

 400 

 570' 

 770' 

 970= 

 1460- 



to 

 Q S 



578 



977 

 1964 



Temp. 

 °C. 



592 



987 



1965 



2939 



574 

 973 



S7:-.. 



34-22 



2-51 

 2-41 



2-40 

 2-40 

 2-34 

 2-33 

 1-51 

 -o-ii 

 -001 



0-59 

 0-98 

 1-72 



2-20 

 212 

 201 



1-87 

 1-47 

 o-gi 



3-50 



2-41 

 2-32 

 2-32 

 2-32 

 2-32 

 232 

 2-30 

 230 

 0-69 

 0-41 

 o-8o 

 i-i6 



I-2I 

 1-42 



1-43 

 116 

 0-70 

 0-47 



0-21 



oos 



1-71 



I 69 

 1-69 

 I 69 

 1-69 

 1-67 

 I 60 

 o-o8 



0-23 



-0-19 

 o-io 

 0-42 



1-34 

 I-I4 

 092 

 069 

 0-37 



33-95 

 33-95 

 33-95 

 33-95 

 33-95 

 33-95 

 33-97 

 34-10 

 34-13 

 34-21 

 34-28 

 34-44 

 34-57 

 34-65 

 34-70 

 34-72 

 34-72 

 34-70 



33-86 



34-04 

 34-04 

 34-04 

 34-04 

 34-04 

 34-04 

 34-04 

 34-04 

 34-11 

 34-33 

 34-42 

 34-51 

 34-52 

 34-65 

 34-70 

 34-70 

 34-69 

 34-69 

 34-67 

 34-67 



34-11 

 34-11 

 34-11 

 34-11 

 34-11 

 34-14 

 34-14 

 34-30 

 34-33 

 34-41 



:7-37 



27-11 

 27-12 

 27-12 

 27-13 

 27-14 

 27-14 

 27-21 

 27-41 

 27-42 

 27-46 

 27-49 

 27-57 

 27-63 

 27-70 



27-75 

 27-78 

 27-81 

 27-84 



2694 



27-20 

 27-21 

 27-21 

 27-21 

 27-21 

 27-21 

 27-21 

 27-21 

 27-37 

 27-56 

 27-61 

 27-67 

 27-67 



27-75 

 27-79 

 27-81 

 27-83 

 27-84 

 27-85 

 27-86 



27-30 

 27-30 

 27-30 

 27-30 

 27-30 

 27-34 

 27-34 

 27-56 

 27-58 

 27-66 



PH 



34-62 

 34-67 

 34-69 

 34-69 



34-68 



Mg.- 



34-46 27-67 



27-75 

 27-79 

 27-83 

 27-83 

 27-85 



8-12 

 8-12 

 8-12 

 8-12 



8-13 

 8-13 



8-II 



8-04 

 803 

 7-98 



7-93 

 7-91 

 7-91 



7-93 

 8-01 

 8-01 

 8-06 

 8-14 



8-II 



8-II 

 8-11 

 8-11 

 8-10 

 8-09 

 8-09 

 8-09 

 8-04 

 7-96 

 7-93 

 793 

 7-92 



7-95 

 7-96 

 8-03 

 8-06 

 8-07 

 8-07 

 8-07 



8-13 

 8-13 

 8-13 

 8-12 

 8-12 

 8-12 

 8-11 

 7-97 

 7-94 

 7-94 



7-91 

 7-90 

 7-96 

 8-00 

 8-00 

 7-99 



Nitrate 



Nitrite 



N. 



1-58 

 1-60 

 1-62 

 1-65 

 1-65 

 1-69 



1-88 

 2-36 

 2-36 

 2-45 

 2-57 

 2-74 

 2-79 

 2-74 

 2-70 

 2-72 



2'72 



2-72 



I 60 

 1-62 

 1-63 

 1-63 

 1-65 

 1-65 

 1-63 

 1-58 

 2-13 



2-49 

 2-55 

 2-62 

 2-62 



2-59 

 2-62 

 2-64 

 2-66 

 2-62 

 2-62 

 2-62 



1-67 

 1-67 

 1-67 

 1-65 

 1-67 

 1-65 

 1-67 



2-53 

 2-59 

 2-60 



2-66 



2-70 

 2-66 

 2-66 

 2-66 

 2-68 



Nitrite 



N, 



0-29 

 0-29 

 0-29 

 0-30 

 0-29 

 0-29 



0-34 

 0-41 



0-34 

 0-00 

 0-00 

 0-00 

 0-00 



0-31 

 0-31 

 0-31 

 0-31 

 0-31 

 0-31 

 0-31 

 0-31 

 0-40 

 0-21 

 0-00 

 000 

 000 



0-32 

 0-31 

 0-31 

 0-31 

 0-32 

 0-32 

 0-32 

 0-20 

 0-24 

 0-00 



0-00 

 0-00 



13-4 

 13-1 



13-5 

 13-4 

 13-9 



14-4 



15-4 

 25-8 

 26-8 

 28-8 

 35-3 

 37-2 

 47-3 

 52-5 

 55-3 

 58-4 

 60-6 

 62-9 



14-2 

 14-1 



14-1 

 14-2 



14-5 

 14-6 

 14-7 

 14-5 

 25-3 

 39-1 

 45-2 

 48-6 



50-3 

 58-3 

 61-5 

 64-3 

 71-2 

 78-0 



81-5 

 82-6 



21-8 

 21-7 

 22-1 

 22-6 

 22-5 

 22-9 

 24-1 



36-7 

 40-0 



42-5 



47-3 

 49-7 

 52-0 

 57-8 

 59-9 

 60-7 



c.c. 

 litre 



7-23 

 7-18 

 7-15 

 7-19 

 6-75 



5-97 

 5-41 

 4-38 

 3-87 

 3-88 

 3-86 

 3-83 

 4-12 

 4-22 



7-14 

 7-10 

 7-08 

 7-09 



6-82 



5-77 

 5-02 



4-59 

 4-55 

 4-20 

 4-21 

 4-29 

 4-43 

 4-44 

 460 



4-74 

 7-23 

 7-16 

 7-16 

 7-16 



5-89 

 5-85 



5-40 

 4-30 

 4-27 

 4-31 

 4-46 

 4-56 



BIOLOGICAL OBSERVATIONS 



Gear 



NsoV 



NHP 



NiooH 



N70B 

 NiooB 



N50V 

 NHP 



N70V 



NiooH 

 N70B 



NiooB 

 N70B 



NiooB 



N50V 



N50V 

 NHP 



N70V 



N70B 



NiooB 



N70B 

 NiooB 



Depth 

 (metres) 



NsoV 

 NHP 



N70V 



N70B 

 NiooB 

 N70B 

 NiooB 



1 00-0 



50-0 



5-0 



135-0 



1 00-0 



50-0 



50-0 



100-50 



250-100 



500-250 



750-500 



1000-750 



5-0 



103-0 

 360-130 



1 00-0 



50-0 



50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



1:5-0 

 390-250 



1 00-0 



50-0 



50-0 

 100-50 

 250-100 

 500-250 

 750-0 

 750-500 

 1000-750 



12S-0 

 380-160 



1003 



1018 



1021 



2014 



2152 



2155 



2155 



1305 



2010 



To 



IOI4 

 1045 



1 04 I 



2139 



2225 



2216 

 2224 



I3I3 



2136 



2233 2253 



2233 2304 



KT 



KT 

 DGP 



4- 2 hours 



2013 



KT 

 DGP 



2321 

 2321 



2207 

 2341 



2350 



KT 

 DGP 



277 



