10 



0. jSTorcloaard. 



[No. 8 



— I shall no w give some iPiStaiices showing that in the deep 

 layers of the fjords (below 200 — 250 m.) qiiite considerable changes 

 are occiirring in the hydrographical conditions in the course of a 

 few months. 



Malangenfjord. 

 69° 33' N. 180 0' E. 





'7i 



1899 



'-U 



1899 



Depth 

 ill metres 











Temp. 



Salinity 



Temp. 



Salinity 





C. 



%o 



C. 



«/oo 







20,8 



33,92 



1,6 



33,96 



10 



>5 



» 







20 



» 



)) 



1,75 



34,10 



30 



» 



)) 







50 



» 



» 



1,6 



34,10 



80 



)? 



)5 



1,85 



34,21 



100 



)• 



)5 



2,15 



34,35 



120 



3,0 



33,97 



2,3 



3435 



150 



3,2 



» 



3,25 



34,49 



180 



3,9 



34,10 







200 



4,1 



» 



3,7 



34,54 



250 



5,5 



34,52 



4,05 



^ 34,67 



300 



>' 



), 



4,1 



,• 



350 







4.1 



» 



During the time from Jan. 29th to April 12th temperature in 

 the Malangenfjord thus went down by 1°,4 C. in the deep layer 

 (250 — 350 m.), at the same time as salinity rose a little (0,15 %o). 

 This has hitherto been an miknown phenomenon in the hydrography 

 of our fjords. 



Another instance of considerable change both of temperature 

 and salinity gives the Lyngenfjord. 



Lyngenfjord. 

 690 37' N. 20° 24' E. 



Depth 

 in metres 



'\U 



1899 



V. 



1899 



Temp. 

 C. 



Salinity 



Temp. 



c. ■ 



Salinity 

 «/a» 





 10 



3,0 

 3,1 



33,82 

 33,87 



1,1 



34,17 



20 

 30 

 40 



3,1 



3,0 



33,94 



1,1 



JJ 



50 



80 



100 



2,6 

 2,5 

 2,5 



34,08 

 33,87 



1,15 



2,05 



2,2 



34,30 

 34,35 



120 











150 



2,2 



33.82 



2,55 



j, 



180 

 200 



1,9 



1,7 



;•/ 



2,7 



34,67 



250 



1,6 





2,85 



„ 



