40 



H. JONSSON 









Depth 



Temp. 



Salinity 



Faxafloi 



in metres 



C° 



°/oo 



5 miles SW. of Akranes ( 26 /i) 







11.5 



34.4 





15 



10.6 







30 



9.2 



34.7 





60 



7.8 



34.9 



Knararnes 







14.0 



34.0 



About 2 miles SE. of i>or- 











12.2 



34.6 





15 



10.2 







30 



9.5 



34.6 





45 



9.1 



34.7 



Borgarnes ( 3 /s) 







12.4 



26.9 high-water 



- ( 5 / 8 ) 





 



12.4 

 11.2 



18.9 low-water. 





8.8 





5 



10.6 



14.7 



Borgarfjordur, the mouth ( 7 /s) 







11.7 



28.9 





10 



11.6 







20 



11.5 



34.4 



Hvalfjordur, Hvammsdjup 









( 13 /s) 







11.6 



33.4 





15 



11.4 







30 



11.2 



34.0 





60 



11.1 



34.2 



Hvalfjor&ur, Galtarvikurdjup 







11.7 



33.9 





15 



11.5 







30 



11.1 



34.0 





50 



11.1 



34.4 





85 



11.0 



34.3 



From the measurements given above it will be seen that the 

 temperature of the water in the interior of the small fjords is nearly 

 the same from surface to bottom, while a regular decrease of warmth 

 is immediately felt with the increase of depth in the more open 

 waters. The temperature of the fjord-water is evidently dependent 

 on the climate of the country; but regarding the temperature, during 

 winter, for instance, w r e know nothing. Nor am I prepared to treat 

 of the distribution of warmth in the coastal water in a more exact 

 manner, as from the scattered observations made during the summer, 

 which are at our disposal, no satisfactory results can be arrived at 

 regarding the thermal conditions in which the algal vegetation exists 

 all the year round. 



C. The Salinity. 



The degree of salinity is given above, together with the tem- 

 perature. 



