54* 



Table V. Current Measurements. 



IREP. OF THE -.MICHAEL SARS" NORTH 



Table V. Current Measurements. 



No. 



Time 



Velocity 

 cm/sec 



LMT 



GMT 



o c 

 ^ o 



= > 



Single Directions of Current 



indicated by the Ekman Current-Meter 



(magnetic) 



Ship's Direction 



(magnetic) 

 at Observation 



Begin. 



Middle 



End 



I 



I! 



I 



I 



Stat. 18. 29.-30. April 1910. 35° 56'N. 5° 43' W. 



Magnetic variation 15° W. — All directions are magnetic with the exception of those in column 6 (Mean direction). 



The current measurements on April 29tli were made from the life-boat, fastened between two grapnels (velocity and mean direction printed 



in italics.) The observations on April 30th were made from the SIS "Michael Sars", anchored with one anchor (fore) and 660 m. 



of trawl-wire. 

 Notes on the weather: On April 3(>th a light breeze was blowing from S 70° W in the forenoon, from 12 to 12.30 slightly brisker without 



change in direction, afterward slackening to calm at about 1.30 p.m., at 2 p.m. a very gusty wind began blowing from N 60° E, 



veering to N ,5° E at 3 p.m. 



I') 



29. April 

 16h 50m I 17h 13ni 



Ih 

 2 



3 



4 



21) 17 

 3 



4') 



5 

 6 



7 

 8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 



16 



36 



45 



28 



39 



69 



18 



10 



30. April 



32'n 



24 



41 



3 

 10 

 20 

 30 

 39 



8 



29 

 45 



4 

 26 

 50 

 11 

 47 

 13 

 45 

 21 

 29 



38 

 45 

 52 



Ih 55"" 

 2 47 



4 4 

 26 

 33 



5 43 

 53 



6 2 

 31 

 52 



7 8 

 27 

 49 



8 13 

 34 



9 10 

 36 



10 8 

 44 

 52 



5 metres: 



113 

 124 

 119 

 123 



119 



154 

 162 



154 

 133 



9 metres: 



48 47 



11 



1 



8 



15 



44 



31 



20 



27 



71 



71 



81 



86 



96 



100 



97 



105 



110 



111 



117 



101 



112 



94 



99 



97 



102 



94 



92 



44 



30 



20 



26 



71 



70 



81 



85 



95 



99 



96 



102 



109 



109 



116 



100 



111 



97 



91 



N62E 



S28E 

 S68E 



N79W 



S85W 



N63W 



N30W 



N42E 



N72E 



N72E 



N74E 



N77E 



S80E 



S87E 



N87E 



N64E 



N48E 



N57E 



N32E 



N60E 



N48E 



N53E 



N73E 



590 

 648 

 642 

 647 



788 

 818 



5-15 

 235 

 243 

 158 

 209 

 573 

 567 

 653 

 688 

 769 

 805 

 780 

 842 

 887 

 895 

 633 

 542 

 602 

 480 

 506 

 523 

 522 

 479 

 471 



No indication. 

 [1 NICE; 1 NlOW 

 4 N70E; 9 N?OE 

 [2 S40E; 1 S30E; 



1 K80W; 1 SlOE; 1 S40EJ 



S80W; 



S3UW; 1 N80W; 

 1 N70W; 1 N20W] 

 1 S20W; 1 SlOW; 3 SlOE; 9 S20E 

 1 S; 1 S30E; 3 S50E; 3 S60E; 3 N8()E; 1 S20W 



8 N60W; 5 N70W 



1 N70W; 4 N80W; 1 W 



1 N30W; 4 N50W; 1 NiiDW 



1 NlOW; 1 N20W 

 4 N50E; 2 N70E 



2 N70E; 11 E 

 4 N80E; 8 E 



2 N80E; 10 E; 1 S80E 

 1 N80E; 9 E; 3 S80E 

 8 S60E; 4 S70E; 1 S80E 



1 S50E; 1 S60E; 6 S70E; 4 S80E; 1 E 



2 S7UE; 7 S80E 



2 N60E; 4 N70E; 4 N80E; 3 E; 2 S80E 



3 N50E; 3 N60E; 7 N70E 



1 N,50E; 3 N60E; 2 N70E; 6 N80E; 1 E 

 6 N40E; 5 N50E; 1 N70E 



1 N60E; 4 N70E; 8 N80E 

 10 N60E; 2 N70E; 1 N80E 

 No indication 



No indication 



2 N60E; 11 N70E 



[2 S20E; 5 S30E; 4 S4UE; 3 SSOE] 

 No indication 



4 N80E; 8 E; I SSOE 



S57W 



S58E 

 S52E 

 S22E 



Slow 



N87W 

 N87W 



N71W 

 N7()W 

 N62W 

 NS9W 

 N64W 

 N7,iW 

 N78W 

 N79W 

 N72W 

 N6()W 

 N70W 

 N73W 



« 



N69W 

 N70W 

 N72W 



S72W 



N74W 



') Nos. 1,2 and 4: — In these cases the magnetic needle of the Instrument Ekman no. 41 did not move freely; therefore the indi- 

 cations of direction are of no value. 



