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34
Strækning allerede bestemt, nemlig østenfor Beeren Eiland,
og en ydre Grændse foreløbig kjendt mod Øst ved de
talrige og udmerkede Observationer, som den østerrigske
Polarfarer Løitn. Weyprecht har anstillet og velvilligen
meddelte Professor Mohn til Afbenyttelse. Disse
Omstændigheder tillade en saa vidt gaaende Orientering i Feltet, at
man kan gjøre en Beregning over den Tid. Undersøgelserne
ved Expeditionen antagelig ville komme til at tage. En
saadan Beregning, hvis Resultat nedenfor skal meddeles,
viser, at der for Tidens Skyld Intet er til Hinder mod
at optage denne Undersøgelse af Østishavet inden
Expeditionen Undersøgelseskreds.
Ved de. sidste Expeditioner af Professor Nordenskiöld
er det kariske Havs fysiske og biologiske Forhold blevne
undersøgte. Yor Expeditions Undersøgelse af Østishavet
vil knytte Undersøgelserne fra det hele Atlanterhav til
dem, der ere gjorte og forhaabentlig til Sommeren af
Nordenskiöld blive gjorte ved Kysterne af det asiatiske Ishav
og dem, der ere gjorte i endnu nordligere Egne af den
østerrigsk-ungarske Polar-Expedition.
I Forbindelse med Undersøgelserne af Østishavet er
det ønskeligt -at benytte Anledningen paa Rejsen langs
Finmarkens Kyst til zoologiske Undersøgelser i nogle af
de Fjorde, der hidtil ikke ere undersøgte af vore Zoologer,
saasom Altenfjord, Porsangerfjord eller Laxefjord og
Tana-fjord. Endvidere er det af Vigtighed for cle meterologiske
Observationer, som udføres paa Expeditionen, at de
nærmeste Stationer i Norge, med hvilke Observationerne fra
Havet blive at sammenstille, inspiceres ved samme
Lejlighed i Lighed med hvad der de foregaaende Aar har
fundet Sted. Disse Stationer ere Alten (Bossekop) Gjesvær
og Vardø, af hvilke i alle Fald den første og sidste ligge
lige i den til de ovennævnte Undersøgelsers Udførelse
førende Vej.
Undersøgelserne af Havet mellem Nordkap, Jan Mayen
og Spidsbergen antages at burde foretages paa samme
Maade, som man tidligere er gaaet frem paa. nemlig ved
Tversnit der opgaaes nogenlunde lodret mod Kysterne.
Da Havbroen mellem Norge og Spidsbergen og
Spidsbergens Vestkyst gaar i en mere nordlig og vestlig Retning
end Norges Kyst ved Tromsø, blive Tversnittenes Retning
at lægge mere langs Parallelcirklerne end tidligere. En
Overgang heri kan naturligst ske ved at lægge et Par
mindre Snit mellem Beeren-Eiland og Norge i Vinkel med
Toppunkt ude i Havet omtrent midt imellem to større
Tversnit.
Indtil Beeren Eiland (75° N.) lægges de store
Tversnit med samme indbyrdes Afstand som Snittene söndenfor
fra 1877. Det sydligste af de nye Snit er Fortsættelsen
vestover af det nordligste i 1877 oparbejdede Snit. Vest-
bottom-water has been already determined for a
considerable distance, viz.- east of Beeren Eiland; and we are
furnished. provisionally, with an extreme eastern limit in the
many and excellent observations taken by the Austrian
Arctic traveller, Lieutenant Weyprecht, and which he has
kindly placed at the disposal of Professor Mohn. These
data suffice to give some little familiarity with the salient
features of the section, and hence afford a means of
approximately computing the probable duration of the period
required for the proposed investigations. A calculation has
accordingly been made, and with such results that, as regards
time, there will be nothing that need exclude a scientific
investigation of the Barentz Sea’ from the exploratory work
of the Expedition.
On the latest Swedish Expeditions, the physical and
biological conditions of the Kara Sea were investigated by
Professor Nordenskiöld. The exploration of the Murman
Sea by the Norwegian Expedition will connect the
investigations embracing the whole of the Atlantic with those that
have been, and next summer, there is reason to believe,
will be, carried out by Nordenskiöld in the Arctic Ocean
oft’ the coasts of Asia, and those achieved in still higher
latitudes by the Austrio-Hungarian Polar .Expedition.
When coursing along the coast of Finmark to the
Murman Sea. advantage shall be taken of the opportunity
then afforded of prosecuting zoological work in divers of
the fjords not yet investigated by our naturalists, for
example the Altenfjord. the Porsanger or Laxefjord, and the
Tanafjord. Moreover, it is important, as regards the
meteorological observations of the Expedition, that the
stations — at the nearest points on the Norwegian coast —
with which the observations taken in the open sea will
have to be compared, shall on that occasion be duly
inspected, as ’ oft the two preceding cruises. The stations
in question are Alten (Bossekop). Gjesvær. and Vardø,
two of which, the first and the last, lie directly in the
route of the Expedition to the aforesaid field of
investigation.
For the exploration of the Sea extending between the
North Cape. Jan Mayen, and Spitzbergen. the best system
will, it is believed, be that previously adopted, viz. of
laying transverse sections as nearly as may be
perpendicular to the coast. The edge of the bank between
Norway and Spitzbergen. as also the western shores of that
island, extending more to the north and west than does
the coast of Norway at Tromsø, the transverse
sections will have to be given a position somewhat more
concentric with the parallels of latitude than in the tracts
previously explored. With this object in view, the most
natural transition may be effected by laying at an angle,
with the vertex seawards, a couple of smaller sections
be-ween Beeren Eiland and .Norway, about midway between
two larger sections.
As far north as Beeren Eiland (lat. 75°), the large
transverse sections will have to lie at the same distance each
from each as those explored south of that locality on last
year’s cruise (1877). The most southerly of the new see-
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