R.R,S. Discovery II 



517-520 



Station 



517 



O-t! 



518 



519 



HYDROLOGICAL OBSERVATIONS 



Depth 



(metres) 



520 



Temp. 

 °C. 



O 

 lO 

 20 



30 

 40 



50 



60 



80 



100 



150 

 17s 



o 

 10 



20 



30 

 40 



50 



60 



80 



100 



200 

 250 



O 

 10 

 20 



30 

 40 



50 



60 



80 



100 



200 

 300 

 400 

 600 

 800 



o 



10 



20 



30 

 40 



50 



60 



80 



100 



15° 



200 

 300 

 400 

 600 

 800 

 1000 



1500 



2000 

 2500 



s °/; 



o'30 

 0-29 

 o-o8 

 0-09 

 o-io 

 0-40 



0-50 

 079 



076 

 0-50 



• 0-41 



O-IO 



- O-IO 



-0-19 



- 0-20 



-0-33 



- 0-40 

 0-41 



-0-58 

 -0-84 



- 0-09 



0-50 



I -00 



- 0-2I 



- 0-21 



- 0-21 

 -0-25 

 -0-30 



- 0-32 

 -0-38 



- 0-64 



- 0-70 

 -0-51 



0-32 



1-45 

 1-71 

 2-03 

 2-03 



- 0-46 

 -0-49 

 -0-49 



- 0-49 



-0-54 



- I -00 



- 1-20 



- i-io 



- 0-22 

 I-I2 

 1-50 

 1-80 



I -95 



1-77 



1-58 

 1-40 

 0-87 

 0-50 

 0-25 



at 



33-87 

 33-87 

 33-87 

 33-87 

 33-87 

 33-89 

 33-92 

 33-94 



33-97 

 34-05 

 34-06 



33-90 

 33-90 

 33-91 

 33-92 

 33-97 

 33-97 

 33-97 

 33-97 

 34-02 



34-15 

 34-28 



34-37 



33-91 

 33-91 

 33-91 

 33-92 

 33-92 

 33-92 

 33-93 

 33-95 

 33-98 

 34-08 

 34-21 

 34-40 

 34-49 

 34-65 

 34-69 



33-88 

 33-88 

 33-88 

 33-88 

 33-89 

 33-94 

 33-99 

 34-09 

 34-24 

 34-40 

 34-49 

 34-58 

 34-67 

 34-69 

 34-70 

 34-72 

 34-72 

 34-70 

 34-69 



pH 



27-20 

 27-20 

 27-22 

 27-22 

 27-22 



27-25 

 27-28 

 27-31 



27-33 

 27-38 

 27-39 



27-24 



27-24 

 27-26 

 27-26 

 27-31 

 27-32 

 27-32 

 27-32 



27-37 

 27-44 

 27-52 

 27-56 



27-26 

 27-26 

 27-26 

 27-27 

 27-27 



27-27 

 27-28 

 27-31 



27-33 

 27-41 



27-47 

 27-55 

 27-61 

 27-71 

 27-74 



27-25 



27-25 

 27-25 

 27-25 

 27-26 

 27-32 

 27-36 

 27-44 

 27-53 

 27-58 

 27-62 

 27-67 



27-73 

 27-76 



27-79 

 27-81 



27-85 

 27-86 

 27-86 



8-17 

 8-17 

 8-i6 

 8-13 



8-12 



8-09 

 8-07 

 7-97 

 7-95 

 7-92 

 7-91 



1 1 

 II 



07 

 06 



03 

 02 

 00 

 00 

 98 

 -91 



-87 

 85 



P2O5 



mgm. 

 p.m.^ 



8-10 

 8-08 

 8-07 

 8-05 

 8-05 

 8-04 

 8-02 

 8-00 

 7-97 

 7-93 

 7-90 



7-85 

 7-84 



7-87 

 7-90 



8-07 

 8-07 

 8-07 

 8-07 

 8-07 

 8-05 

 8-02 



7-97 

 7-94 



7-87 



7-86 



7-86 



7-87 

 7-91 



7-97 

 8-01 

 8-00 

 8-05 

 8-05 



cc. p. 1. 



64 

 67 



68 



68 



70 



83 



84 



96 

 104 

 109 

 no 



74 

 76 

 76 

 78 

 83 

 84 

 88 



91 

 100 

 109 

 114 

 114 



81 



79 

 78 

 82 



85 



83 



91 



91 



96 



109 



112 



114 



119 



116 



115 



79 

 79 

 79 

 79 

 79 

 79 

 89 

 96 



97 

 100 



103 

 106 

 114 

 112 

 106 

 104 

 106 

 106 

 106 



8-26 

 8-16 

 7-91 

 7-80 



7-51 

 5-58 



BIOLOGICAL OBSERVATIONS 



Gear 



7-87 

 7-89 

 7-89 

 7-51 

 5-96 

 4-35 



3-93 

 3-94 

 4-00 



4-29 



4-54 



N50V 

 N70 V 



N70B 

 NiooB 



N50 V 



N70V 



N70B 

 NiooB 



N50V 



N70 V 



N70B 

 NiooB 

 NiooB 



N70B 

 NiooB 

 NiooB 



N50 V 



N70 V 



Depth 

 (metres) 



1 00-0 

 50-0 

 100-50 

 180-100 



102-0 



1 00-0 

 50-0 

 100-50 

 250-100 



90-0 



TIME 



From To 



1 00-0 

 50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



[ 137-0 

 390-137 



^ 155-0 



400-155 

 1 00-0 



50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



2123 



2316 



0014 



0119 



2154 

 2236 



Remarks 



KT 



0048 

 0139 



0320 



0531 

 0531 



0457 



0551 

 0604 



KT 

 DGP 



0253 



0253 

 0338 



0318 

 0328 



0504 



KT 

 DGP 



107 



