R.R.S. Discovery 



214—218 



o _ 



214 



colli. 



215 



IS 



216 



i6 



HYDROLOGICAL OBSERVATIONS 



Depth 



(metres) 



217 



i6 



218 



3° 

 4° 

 5° 

 6o 

 8o 



100 



15° 

 200 

 300 

 400 

 600 



800 



1000 



1500 



2000 



O 

 10 

 20 



30 

 40 



50 

 60 



So 



100 



150 



200 

 300 

 400 

 600 

 800 

 1000 



1500 



2000 



350° 



o 



10 

 20 



30 

 40 



50 



60 



80 



100 



150 



200 



Temp. 

 ° Cent. 



1-96 



1-93 

 1-93 

 1-92 

 1-91 

 1-89 

 1-25 



I -54 



1-57 



2'20 



2-39 



2-34 

 2-28 

 2-07 

 1-79 



S7c 



33-81 

 33-81 

 33-82 

 33-82 

 33-82 

 33-82 



33-99 

 34-06 

 34-16 

 34-22 

 34-35 

 34-49 

 34-58 

 34-67 

 34-69 



at 



27-04 

 27-05 

 27-06 

 27-06 

 27-06 

 27-06 

 27-23 

 27-28 

 27-35 

 27-34 

 27-44 

 27-55 

 27-64 



27-72 

 27-75 



pH 



8-i6 

 8-i6 

 8-i6 

 8-15 

 8-15 

 8-14 

 8-09 

 8-09 

 8-02 

 7-99 



7-95 

 7-95 

 7-95 

 7-97 

 7-99 



P0O5 



mgm. 

 p.m.' 



5-86 

 5-85 

 5-85 

 5-84 

 5-83 

 5-83 

 5-83 

 5-83 

 5-83 

 5-20 

 4-98 



27-02 

 27-02 

 27-06 

 27-06 

 27-06 

 27-06 

 27-09 

 27-09 

 27-14 

 27-22 



27-24 

 27-29 



27-39 

 27-51 

 27-60 



27-74 

 27-80 



34- 

 34- 

 34- 

 34- 

 34- 

 34' 

 34- 

 34- 

 34' 

 34' 

 34' 



8-ia 

 8-i8 

 8-18 

 8-18 

 8-i8 

 8-16 

 8-i6 

 8-16 

 8-16 



8-12 



8-10 

 8-07 

 8-04 

 7-98 

 7-97 

 7-96 

 7-96 



7-97 



26-90 

 26-90 

 26-92 

 26-92 

 26-92 

 26-92 

 26-92 

 26-92 

 26-92 

 27-04 

 27-09 



8-18 

 8-18 

 8-18 

 8-18 

 8-i8 

 8-18 

 8-18 

 8-18 

 8-18 



8-15 

 8-11 



Oo 



cc. p.l. 



7-32 



7-43 

 7-41 



6-73 



4-23 

 4-34 



BIOLOGICAL OBSERVATIONS 



6-80 

 6-96 



6-96 

 6-93 



6-44 



4-26 

 4-29 



N 70 V 



Depth 



(metres) 



TIME 



Shot 



N 100 H 



N 70H 



N50 V 



N70 V 



N 100 H 



N70H 



N 50 V 



N70 V 



250-100 



500-250 



750-500 



1000-750 



2000-1000 



Hauled 



Length 

 of tow 

 (miles) 



0-5 



6o(-o) 

 i2o(-6o) 



0-5 



64 



128 



1 00-0 



50-0 

 100-50 



250-100 

 500-250 



750-500 



1000-750 

 1 500-1000 



0-5 



77 



155 



0-5 



53 



io6(-o) 



1 00-0 

 50-0 

 100-50 

 250-180 

 500-230 

 750-500 

 1000-750 



2216 



2309 



1155 



1215 



Remarks 



2251 



2321 



1550 



2207 



2316 



2258 



1205 



2244 



2325 

 2312 



1430 



KT 



KT 



TD 32i m. 



net foul 



KT 



KT 



high wind and rough 

 sea; much stray on 

 wires. Depths of 

 water-bottles and 

 nets below 100 m. 

 unreliable. Nets be- 

 low 250 m. not fish- 

 ing properly 



69 



