R.R.S. Discovery II 



420-425 



Station 



tM 



420 



421 



422 



423 



424 



HYDROLOGICAL OBSERVATIONS 



Depth 



(metres) 



425 



o 



10 



20 



3° 



4° 



5° 

 6o 



So 



100 



150 



200 

 300 

 400 

 600 

 800 

 1000 



1500 



o 



10 

 20 

 30 



4° 



50 

 60 

 80 



100 



150 



Temp. 



°c. 



s /, 



o 



10 

 20 



30 

 40 



50 

 60 



80 



100 



o 

 10 



20 



30 

 40 



5° 



60 

 80 



100 



150 



200 



300 



400 

 600 



800 



1000 



16-48 



16-46 

 1 6-44 

 16-42 



15-92 



15-56 

 15-48 



14-57 

 13-94 



12-41 

 10-61 



8-50 

 6-98 

 4-76 

 3-92 



3-30 

 2-84 

 2-81 



15-13 



15-12 



14-44 



14-39 

 14-24 

 14-17 



14-07 



14-02 



10-79 



9-12 



14-65 



16-90 



17-11 

 17-11 

 17-11 

 17-10 

 17-04 

 16-97 

 16-24 



15-13 

 13-28 



2i-og 

 21-1 1 

 21-1 1 

 21-11 

 21-11 

 21-1 1 

 21-06 

 20-91 



20-1 I 



18-66 

 17-81 

 16-25 

 14-42 



11-76 



9-64 



8-20 



35-32 

 35-32 

 35-32 

 35-32 

 35-26 

 35-23 

 35-21 

 35-13 

 35-10 

 35-09 



34-85 



34-61 



34-51 

 34-36 

 34-43 

 34-46 



34-74 



34-84 



35-29 

 35-29 

 35-19 

 35-19 

 35-19 

 35-19 

 35-19 

 35-19 

 34-90 

 34-71 



35-35 



35-35 



35-34 



35-34 

 35-34 

 35-34 

 35-34 

 35-31 

 35-29 

 35-26 



35-09 



35-41 

 35-41 

 35-41 

 35-41 

 35-41 

 35-41 

 35-41 

 35-41 

 35-46 

 35-52 

 35-53 

 35-53 

 35-43 

 35-12 

 34-85 

 34-72 



25-89 

 25-89 

 25-89 

 25-90 



25-97 

 26-03 

 26-03 

 26-17 

 26-28 

 26-59 

 26-74 

 26-91 



27-05 

 27-21 

 27-36 



27-45 



27-71 

 27-80 



26-18 

 26-18 

 26-25 

 26-26 

 26-29 

 26-31 

 26-33 

 26-34 

 26-75 

 26-88 



26-33 



25-81 



25-75 

 25-75 

 25-75 

 25-75 

 25-76 



25-76 

 25-92 

 26-15 

 26-42 



24-79 

 24-78 

 24-78 

 24-78 

 24-78 

 24-78 

 24-79 

 24-83 

 25-08 



25-50 

 25-72 

 26-10 

 26-44 

 26-74 

 26-91 

 27-04 



pH 



8-32 



8-33 

 8-32 



8-33 

 8-32 



8-31 

 8-31 

 8-26 

 8-24 

 8-18 

 8-14 

 8-05 

 8-03 

 8-02 

 8-03 

 7-98 

 7-98 

 8-02 



8-32 

 8-32 

 8-30 

 8-29 

 8-26 

 8-24 

 8-23 

 8-23 

 8-11 

 7-99 



8-33 

 8-33 

 8-33 

 8-33 

 8-32 

 8-31 

 8-29 

 8-22 

 8-13 



8-34 

 8-34 

 8-34 

 8-34 

 8-34 

 8-34 

 8-34 

 8-34 

 8-33 

 8-32 

 8-32 

 8-27 

 8-i8 

 8-19 

 8-13 

 8-10 



P2O5 



mgm. 

 p.m.^ 



35 

 43 

 S3 

 56 

 62 

 62 

 62 



73 



80 



82 



126 



133 

 141 



154 

 154 

 159 



154 

 154 



51 

 51 

 52 

 60 

 64 

 65 

 71 

 73 

 113 

 121 



49 



52 

 47 

 47 

 49 

 49 

 52 

 78 

 87 



26 

 26 

 26 

 26 

 26 

 32 

 27 

 27 

 27 



30 

 30 



55 

 52 



77 

 104 

 114 



o, 



cc. p. 1. 



4-S9 



4-84 

 4-92 

 4-95 

 4-35 

 4-38 



4-32 



4-24 

 4-16 



4-35 

 4-65 



5-38 



5-36 



5-36 



5-19 



5-86 



3-34 



5-00 

 5-01 



4-93 

 4-36 

 3-85 

 4-70 

 4-71 



4-70 

 4-67 



4-79 

 4-71 



4-23 

 4-27 

 4-47 



BIOLOGICAL OBSERVATIONS 



Gear 



N70B 



N 100 B 



N50V 

 N70 V 



N50V 



N70V 



N70B 

 N 100 B 



N70B 



N 100 B 



N70B 

 NiooB 



N70B 



N 100 B 

 N50 V 



N70V 



Depth 

 (metres) 



TIME 



N50V 

 N70 V 



- 106-0 



1 00-0 

 50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



1 00-0 

 50-0 

 100-50 

 150-100 



77-0 



86- 



56-0 



59-0 



1 00-0 



50-0 



100-50 



1 00-0 

 50-0 

 100-50 

 250-100 

 500-250 

 750-500 



From To 



0104 

 0130 



0835 



0930 



2143 

 2139 



0237 

 0307 



0827 



0124 



0350 



0917 

 0950 



2203 



2159 



0258 



0332 



Remarks 



KT 



KT 



KT 



KT 



KT 



1134 



61 



