R.R.S. Discovery 11 



1712—1718 



Station 



1712 



cont. 



1713 



1714 



1715 



1716 



1717 



Age of 

 moon 

 (days) 



29 



29 



30 



1718 



HYDROLOGICAL OBSERVATIONS 



Depth 

 (metres) 



O 



10 

 20 



30 

 40 



SO 



60 



80 



100 



150 

 200 

 300 

 400 

 590' 

 790' 

 990I 

 1480I 

 1970^ 



o 



10 



20 



30 

 40 



50 

 60 

 80 



100 



150 



200 

 300 

 400 

 600- 

 800= 

 lOOO" 



1470' 



1970' 



2480' 

 29801 



Q s 



588 



1972 



591 



998 



1469 



2982 



Temp. 



68 



68 

 68 

 68 

 38 

 70 

 78 

 8S 

 89 

 95 

 95 

 80 



38 

 60 



35 

 20 



05 

 0-23 



030 



-032 



0-02 

 003 

 003 

 0-02 

 0-02 

 - 1-29 



-1-59 

 - 1 69 

 -1-79 

 -i-i8 



0-43 

 I 04 

 I -06 



1-20 

 I-OO 

 0-82 

 046 

 0-14 

 -0-09 

 -022 



-1-48 



S V.,. 



33-83 

 3383 



33-83 

 33-83 

 33-91 

 34-03 

 34-14 



34-33 

 34-33 

 34-34 

 34-38 

 34-42 

 34-63 

 34-69 

 34-68 



34-69 

 34-69 

 34-68 



33-77 



33-91 



34-05 



33-90 

 33-90 

 33-90 

 33-90 

 33-90 

 34-26 

 34-41 

 34-41 

 34-42 

 34-49 

 34-61 

 34-70 

 34-72 

 34-73 

 34-71 

 34-70 

 34-70 

 34-69 

 34-68 

 34-68 



34-08 



27-25 

 27-25 

 27-25 

 27-25 

 27-30 

 27-41 

 27-51 

 27-65 

 27-65 

 27-67 

 27-70 

 27-72 

 27-81 

 27-84 

 27-85 

 27-86 



27-87 

 27-88 



27-18 



27-23 



27-38 



27-24 



27-24 

 27-24 

 27-24 

 27-24 

 27-58 

 27-71 

 27-72 

 27-72 

 27-76 

 27-80 

 27-82 

 27-84 

 27-84 

 27-84 

 27-84 

 27-85 

 27-86 

 27-88 

 27-88 



27-45 



pH 



8-15 

 8-12 

 8-12 

 8-11 

 8-11 

 8-10 

 8-09 

 8-09 

 8-09 

 8-09 

 8-o8 

 808 

 7-98 

 8-08 

 8-17 

 8-12 

 8-12 

 8-19 



8-20 

 8-20 

 8-20 

 8-20 



8-20 



8-13 



8-12 



8-IO 

 8-08 

 806 

 8-01 

 800 

 7-98 

 8-06 

 8-10 

 8-11 

 8-08 

 8-09 



8-22 

 8-22 



Mg. — atom m.^ 



1-84 

 1-84 

 I 90 

 1-86 

 1-82 



2-OI 

 2-05 

 2-09 

 2-II 

 2-13 

 2-13 



2-13 

 2-22 

 2-30 

 2-30 



2-34 

 2-38 

 2-34 



1-84 

 1-84 

 I-81 



1-86 

 1-86 

 1-90 

 2-00 



2- 1 I 

 2-19 

 2-20 

 2-24 

 2-24 

 2-24 

 2-24 

 2-30 

 2-34 

 2-34 

 2-40 

 2-40 

 2-41 



Nitrite 



N, 



0-22 

 0-22 

 0-23 

 0-22 

 0-21 

 0-19 

 0-17 

 0-16 



0-I5 

 000 

 006 

 0-00 

 0-00 

 0-00 



0-33 

 0-33 

 0-33 

 034 

 0-33 

 0-15 

 0-20 



0-34 

 0-12 

 o-oi 

 o-oo 

 0-00 

 0-00 



o, 



c.c. 

 litre 



7-50 



7-49 



7-40 



7-13 



6-98 

 690 

 6-82 

 680 

 4-82 

 4-64 

 4-64 

 4-60 



4-75 

 4-86 



7-32 



7-31 



7-31 



6-72 



6-53 

 6-14 

 4-81 

 4-40 

 4-35 

 4-22 



4-31 

 4-34 

 4-52 

 4-65 

 4-72 

 4-93 



BIOLOGICAL OBSERVAI'IONS 



N70B 



N 100 B 

 TYFB 



NHP 



N50V 



N70V 



NiooH 

 N 100 B 

 N 100 B 



NHP 



N50V 

 N70B 

 N 100 B 



NHP 



N50V 

 N looH 

 N 100 B 



TYFB 



NHP 



N 100 B 



NHP 



N50V 



N70V 



N looH 

 N70B 

 N 100 B 

 N70B 

 NiooB 



Depth 

 (metres) 



NHP 



NsoV 

 N looH 



N70B 

 N 100 B 



TYFB 



108-0 

 480-350 



50-0 

 1 00-0 

 1000-750 

 750-500 

 500-250 

 250-100 

 100-50 

 50-0 



0-5 

 1 19-0 

 470-190 



50-0 

 1 00-0 



148-0 



50-0 



1 00-0 



0-5 



:o8-o 



1400-1100 



50-0 

 115-0 



50-0 



100-0 



1000-750 



750-500 



500-250 



250-100 



100-50 



50-0 



0-5 



lOI-O 



300- 



160 



50-0 



100-0 



0-5 

 113-0 

 900-550 



TIME 



1105 

 1105 



2012 



2218 

 2220 

 2220 



0904 

 0926 



2006 



2035 

 2130 

 2130 



0904 

 0925 



2006 



2238 

 2251 



2251 



0912 



0950 



1023 

 1023 



1 1 25 



"35 



2200 

 2248 

 2240 

 2250 



0917 

 0946 



2019 

 2055 

 2150 

 2220 



0910 

 0945 



2210 



2258 



2311 



2321 



Remarks 



0925 

 1010 



1043 

 I 120 



KT 

 DGP 



KT 

 DGP 



KT 



KT 

 DGP 



KT 



KT 

 DGP 



KT 

 DGP 



51 



