R.R.S. Discovery II 



758—761 



Age of 

 moon 

 (days) 



HYDROLOGICAL OBSERVATIONS 



Depth 

 (metres) 



■S b 



Temp. 

 °C. 



S°/,„ 



pH 



Mg. — atom m.' 



Nitrate 



+ 

 Nitrite 



Na 



Nitrite 



N. 



Si 



O, 

 c.c. 

 litre 



BIOLOGICAL OBSERVATIONS 



Gear 



Depth 

 (metres) 



TIME 



From 



To 



Remarks 



26 



28 



1500 

 2000 

 2500 

 3000 



3S°o 



o 

 10 



20 



30 

 40 



SO 



60 



80 



100 



150 



200 



300 



400 



600 



800 



1000 



1500 



2000 



2500 



3000 



3500 



o 

 10 

 20 



30 

 40 



5° 



60 



80 



100 



150 



200 



300 



400 



600 



800 



1000 



1500 



1990 



o 

 10 

 20 



30 



40 



SO 



60 



80 



100 



ISO 



200 



300 



400 



600 



800 



1000 



1500 



2000 



2500 



3000 



2003 

 2501 



1 991 



3012 



I 03 

 0-67 



0-I2 

 -0-09 

 -0-23 



0-32 



0-34 

 0-31 

 0-30 

 0-27 

 006 



-0-02 



-O-I I 



-031 



-01 I 



000 



0-62 



0-85 



1-96 



0-74 



073 



0-36 



010 



-0-04 



-0-17 



-0-29 



- i-oo 



- lOI 



- 1 02 



-1-23 



-1-28 



- 1-40 

 - 1-30 



-1-48 



- 1-40 



-1-28 



- i-io 



-0-7S 

 -0-51 

 o-io 

 -0-07 

 -010 

 -019 



-0-31 



-0-87 

 -082 

 -079 



-0-92 



- I-oo 



- 1-02 

 -099 



-0-So 

 -0-71 

 -o-8o 



-0-85 

 -0-37 



066 

 039 

 063 

 028 

 010 



-0-02 



-o-i8 

 -0-29 



3471 

 3471 

 34-67 



34-66 

 34-66 



34-13 

 34-13 

 34-13 

 34-13 

 34-13 

 34-17 

 34-19 

 34-28 

 34-38 

 34-4S 

 34-47 

 34-61 



34-64 

 34-70 

 34-69 

 34-72 

 34-70 

 34-69 

 34-68 



34-67 

 34-66 



34-16 

 34-17 

 34-18 

 34-19 

 34-20 

 34-22 

 34-23 

 34-32 

 34-3S 

 34-40 

 34-45 

 34-53 

 34-S7 

 34-64 

 34-64 

 34-65 

 34-65 

 34-65 



33-86 

 33-88 

 33-92 

 34-02 

 34-12 



34-13 

 34-20 



34-37 

 34-38 

 34-43 

 34-44 

 34-54 

 34-64 

 34-63 

 34-67 

 34-66 

 34-66 

 34-66 

 34-66 

 34-66 



27-84 

 27-86 

 27-85 

 27-86 

 27-86 



27-40 

 27-40 

 27-40 

 27-40 

 27-41 

 27-46 

 27-48 

 27-56 

 27-65 

 27-69 

 27-70 

 27-79 

 27-79 

 27-76 

 27-83 

 27-86 

 27-87 

 27-86 

 27-87 

 27-87 

 27-87 



27-49 

 27-50 

 27-51 

 27-53 

 27-53 

 27-SS 

 27-56 

 27-64 

 27-67 

 27-69 

 27-73 

 27-79 

 27-81 



27-83 

 27-84 

 27-85 



27-85 

 27-86 



27-24 

 27-27 

 27-30 

 27-38 

 27-46 

 27-46 

 27-52 

 27-66 

 27-66 

 27-71 

 27-72 

 27-78 

 27-80 

 27-81 

 27-82 

 27-83 

 27-84 

 27-85 

 27-86 

 27-87 



8-i8 

 8-17 

 8-19 



8-15 

 8-23 



8-10 

 8-IO 

 8-10 

 8-10 

 8-09 

 8-08 

 8-05 

 8-05 

 8-04 

 8-04 

 8-01 

 7-99 

 8-00 

 8-08 

 8-12 

 8-09 

 8-14 

 8-19 



809 

 8-09 

 8-09 

 8-o8 

 8-05 

 8-05 

 8-04 

 8-04 

 802 

 8-02 

 8-00 

 7-99 



7-97 

 8-08 

 8-17 

 8-18 

 8-08 

 8-08 



8-13 

 8-19 



4-28 

 4-31 

 4-59 

 4-67 

 4-61 



7-54 

 7-60 



7-47 



7-59 



6-31 



5-75 

 5-57 

 4-95 

 4-76 



4-53 

 4-52 

 4-38 



4-54 

 4-40 



4-45 

 4-77 

 4-98 



7-56 

 7-s8 



7-43 



7-25 



6-88 

 6-64 



6-44 

 5-80 



5-29 

 4-86 



4-86 

 4-82 

 4-81 

 4-71 



7-62 



7-S7 

 7-26 



7-03 



6-56 

 6-44 

 6-28 



S-84 

 4-80 



4-79 

 4-42 

 4-30 

 4-68 

 4-66 

 4-80 

 4-68 



N50 V 



N 70 V 



N 70 B 



N 100 B 

 N70B 

 N 100 B 



N50 V 

 N70 V 



N70B 

 N 100 B 

 N70B 

 N 100 B 



N50 V 

 N70B 

 N 100 B 

 N70B 

 N 100 B 



1 00-0 

 1000-750 

 750-500 

 500-250 

 250-100 

 100-50 

 50-0 



|- 260-100 

 f 1 19-0 



1 00-0 



1000-750 

 750-500 

 500-250 

 250-100 

 100-50 

 50-0 



260-140 

 ■ 176-0 



1 00-0 

 I 290-140 



r 151-0 



2004 

 2147 



2352 

 0037 



2330 

 0022 



0057 



2255 

 2339 



2120 

 2341 



0027 



2220 

 2325 



2359 



2130 

 001 1 



0047 



I DGP. Upper depth 

 I estimated 



KT 



+ 3 hours 



DGP 

 KT 



DGP 



KT 



33 



