R.R.S. Discovery II 



1590—1608 



Age of 

 moon 

 (days) 



1590 



1591 



1592 



1593 



1594 



1595 



1596 



1597 



1598 



1599 



1600 



1601 



1602 



1603 



1604 



1605 



1606 



1607 



1608 



1 6 



i8 



23 



25 



26 



27 



28 



Depth 

 (metres) 



14 



O 

 50 



HYDROLOGICAL OBSERVATIONS 



Q^, 



Tfg'P- S V 



o 



5° 



o 

 5° 



o 

 50 



o 



50 



o 



50 



o 

 so 



o 

 10 



20 



30 

 40 



50 

 60 

 80 



100 

 ISO 

 200 

 290 



pH 



21-43 



27-49 



28-18 



27-68 

 18-69 



26-85 



26-27 

 25-06 



24-58 



24-88 

 19-49 



23-58 



22-70 

 21-37 



20-81 



19-03 

 17-87 



17-98 



l8-02 



17-99 



36-63 



35-43 



34-82 



34-81 



35-61 



34-88 



3560 

 35-60 



35-91 



35-73 

 35-62 



35-73 



35-82 

 36-00 



36-49 



25-63 



22-90 



22-23 



22-38 



25-58 



2269 



23-42 

 23-79 



24-18 



23-95 

 25-39 



24-34 



24-66 

 25-18 



25-70 



Mg. — atom m.' 



36-00 25-80 

 35-83 25-96 



35-72 25-85 



35-66 

 35-68 



16-98 35-49 



16-28 

 i6-i8 



14-80 



16-79 

 15-79 



19-89 

 i8-S5 

 18-51 

 18-50 



i8-43 

 18-42 

 18-42 

 18-06 

 17-62 

 17-22 

 16-93 

 15-84 



35-23 

 35-29 



34-97 



35-20 

 35-21 



35-72 

 35-58 

 35-57 

 35-57 

 35-56 

 35-56 

 35-56 

 35-57 

 35-59 

 35-56 

 35-56 

 35-48 



25-79 

 25-81 



25-91 



25-88 

 25-95 



26-01 



25-74 

 25-98 



25-36 

 25-60 

 25-60 

 25-60 

 25-61 

 25-61 

 25-61 

 25-71 

 25-83 

 25-91 

 25-98 

 26-17 



Nitrite 



N-. 



0-00 

 0-00 



o-oo 

 0-00 

 0-00 

 0-00 

 0-00 

 o-oo 

 0-04 

 0-04 

 0-04 



0-32 



o, 



c.c. 

 litre 



BIOLOGICAL OBSERVATIONS 



5-3 

 5-7 

 5-8 

 8-8 



4-7 

 4-2 



7-2 

 5-0 

 4-0 



4-7 

 4-0 



5-0 



5-00 



5-07 



5-10 



5-10 



4-76 

 4-80 

 4-85 

 4-35 



Depth 

 (metres) 



TYFB 

 TYFB 

 TYFB 

 NHP 

 TYFB 

 NHP 

 TYFB 

 NHP 

 TYFB 

 NHP 

 TYFB 

 NHP 

 TYFB 

 NHP 

 TYFB 

 NHP 

 TYFB 

 NHP 



NHP 



N50V 



N70V 



N70B 

 NiooB 



N70B 

 N 100 B 



115-0 

 400-320 



140-0 

 340-270 



200-0 

 700-450 



50-0 



144-0 

 490-300 



50-0 



170-0 

 450-310 



50-0 



180-0 

 460-300 



50-0 



151-0 

 400-330 



50-0 



175-0 

 470-300 



50-0 



182-0 

 620-500 



50-0 



190-0 

 600-500 



50-0 



50-0 

 1 00-0 



50-0 

 100-50 

 250-100 

 500-250 

 750-500 

 1000-750 



104-0 

 264-200 



From 



2055 

 2055 



2037 

 2037 



2039 

 2039 



1524 



2027 

 2027 



1639 



2035 

 2035 



1508 



2034 

 2034 



1504 



2155 

 2205 



2137 

 2144 



2139 

 2144 



1526 



Remarks 



KT. 4- 1 hour 

 DGP 



KT 

 DGP 



KT 

 DGP 



2127 KT 

 2132 DGP 



1643 



2135 

 2140 



1510 



2134 

 2140 



1506 



2031 2131 



2031 



1508 



2028 

 2028 



0956 



2030 

 2030 



1507 



2045 

 2045 



1515 



2006 



2136 



15x0 



2128 

 2133 



KT 



D(;p 



KT. GMT 

 DGP 



KT 

 DGP 



KT 

 DGP 



0958 — I hour 



2130 

 2135 



1509 



2145 

 2151 



2216 

 2216 



2250 

 2240 



2247 



KT 

 DGP 



KT 



Depth estimated 



— 2 hours 



KT 

 DGP 



