R.R.S. Discovery 



172—184 





24 



26 



26- 



28 



184 



HYDROLOGICAL OBSERVATIONS 



Depth 



(metres) 



13 



O 

 500 



5 

 60 



o 

 190 



Temp. 

 ° Cent. 



075 

 0-25 



I-OI 



0-85 



0-35 

 0-48 



0-35 



o 

 150 



o 



325 



o 



250 



S7„„ 



3377 

 34-60 



3373 

 3376 



34-04 

 34-34 



at 



27-09 

 27-79 



27-04 



27-07 



27-32 

 27-62 



pH 



33-82 



0-02 

 0-00 



0-05 

 0-40 



0-21 

 0-12 



33-26 

 34-16 



33-1° 

 34-51 



32-94 



34-44 



27-16 



26-72 

 27-45 



26-59 



27-71 



26-47 

 27-66 



mgm. 

 p.m.^ 



O2 



cc. p.l. 



BIOLOGICAL OBSERVATIONS 



Gear 



DLH 



BTS 

 NCS-T 



TNL 

 TGS 



DLH 



N 100 H 



N70H 



NH 

 DLH 



TNL 



DS 



N70H 

 Sh. coll. 



DLH 

 OTL 



N7-T 



N4-T 



NCS-T 



N 100 H 



N70H 



OTL 



N7-T 



N4-T 



NCS-T 



OTL 



N7-T 



N4-T 



NCS-T 



N 100 H 



N70H 



TNL 



Depth 



(metres) 



TIME 



Shot 



525 



5-60 



5-10 



0-5 

 89 

 178 



0-5 



87 

 175 



o 

 1080 



17 



4-10 



O-I 



1. 



160 



60-330 

 0-5 



55 

 no 



0-5 



43 

 86 



160-335 



278-500 



0-5 

 68 



137 

 0-5 



69 

 140 



36 



1300 



1445 



2018 



0948 



1037 



1830 

 1908 



Hauled 



1306 



1525 



1430 



1500 



1304 

 1436 



1514 



1035 



1512 



1716 

 1803 



2025 



1023 

 1021 

 1022 

 1050 



1914 



Length 

 of tow 

 (miles) 



1530 

 1510 



1334 



1500 

 1458 

 1459 

 1524 



1048 



1532 



1747 



Remarks 



stop parted 



three short hauls on 

 steeply shelving 

 ground 



net slightly torn 

 KT 



KT 



three short hauls 



KT 



KT 



KT 



KT 



55 



