<,rcVa 



Fiord, a little further in than Oijord 310 m. was sounded (Rom- 

 baken III, Vo 1899). Furthest in at Rombakbotnen the depth was 

 only 40 m. (Rombaken I) and opposite outer .Sildvig- 110 m. (Rom- 

 baken II, Vide nrs. 302—311). At the station .Skjomen lat the 

 end of the Skjomen Fiord near Elvegaard the deptli was also only 

 ■10 m. (nrs. 322—324). 



In the middle part of this fiord (Skjomen II) the depth howe- 

 ever was 150 m. (nrs. 325 -329) and the same depth was sounded 

 just a little further in than the mouth, while a sounding taken in 

 the mouth projjor gave only .S5. Moreover, judging fi'om the figu- 

 res giving the temperature and salinity at the station Skjomen I and 

 II, it may be concluded that this fiord is shut off by a submarine 

 ridge from any floM- of warm, salt ocean water. 



Thus we have 



V2 189». Skjomen II. 



Generally there is ice on the Skjomen Fiord in the winter. 



Similar physical conditions are found in Rombakbotnen, which 

 is connected to the Rombak Fiord proper by a shallow stretch 

 known as .,StrOmmen" (The current). On the other hand, obser- 

 vations in the outer Rombak Fiord (R. Ill, 72 1899, nrs. 312—321) 

 show that the warm, salt ocean water has been able to get access 

 to this place. From the measurements taken in February in 1897 

 and 1899 in the Ofot Fjord, it is made sufficiently clear that the 

 surface layers of the fiord in question gave off much more heat than 

 is the case in the Lofot fishing grounds, and the loss of heat is 

 still greater in the smaller fiords which adjoin the Ofot Fiord. 



The Ogs Fiord is shut ott' from the Vest Fiord by innumer- 

 able .small islands and holms, but the Kanstad Fiord has a more 

 direct connection with the principal fiord. When we visited the 

 Kanstad Fiord on "/.i 1899 its inner part M'as covered with ice, 

 (lur first station (K. I) thus being just beyond ,,Str()mmen" Avhich 

 connects the inner and outer half. The depth here is only 30 m. 

 I'^uither in than Kvalo 84 ra. was reached. Just beyond KvalO 

 outwards there is a rise in the bed which is called ,,the ridge" 

 (revet). From this point onwards to just opposite Nes the follow- 

 ing depths were reached: 4(J, 75, 95 ni. 



About halfway between Offersii and liarO the de])tli was found 

 to be 215 metens. 



On 'V3 1899 the temperature inside „tho ildge" at a depth 

 tif 90 meters was 1.6 and the salinity 33.48; outside at the same 

 depth the temperature 4.4 and the salinity 34.06. It may also be 

 gathered fi'om this that tiic outtM- i)art of the Kanstad Fiord is 

 connected witJi tJic Vest liord by an unbi'okcn cliannol. while the 

 ridge prevents the Avarnier bottom water fnim pcnctratinL'- into tiie 

 inner pai't of the fiord. 



Outside the mouth of the Ogs Fioid, there is a stretch of 

 water, which is nearly free for islands and holms, which is called 

 ..Flaket''; and here I have sounded from 175—220 meters. This 



comparatively open stretch of water continues towards Pundslet- 

 vaagen and Aarstenen. 



ObserA'ations made on '% 1899 however (nrs. 455 — 463) give 

 such low temperature and salinity that one must conclude that 

 ,,Flaket" is pretty much shut off. At a depth of 220 m., for 

 instance, the temperature was 1.7 and salinity only 33.4o. 



On the inner part of the Ogs Fiord there is ice in the winter. 

 Station I ("/s 1899) was just on the border of the ice. The depth 

 here was 100 m.; temperature 2.1 from the surface to the bottom, 

 but the salinity varied from 32.54 — 33.10 (nrs. 522—525). Station 

 IT ("A 1899) was situated near Halvorso towards the mouth of the 

 Ogs Fiord. The depth here was 207 m. As several observations 

 were made here, I adjoin the various results for the sake of com- 



The Oi;s Fiord II. 



On -'-'/i 1897 I also had a station not far from Halvorso') 

 (Hydr. Tables p. 16). 



Then the following results were obtained: 



At the same place on ■'■'/■j 

 obtained : 



illowing results were 



It will he seen from these observation tables that the hydro- 

 graphical conditions in the Ogs Fiord vary in no small degree from 

 year to year. One might almost bo tonipted to say that more of 



') H.10RT, Gran and NoRDOAAnn. Kh 

 gatious 1895—97. Bergen 1899. 



Norwegian Marine Inv 



