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67
men begge Steder kun over mindre Strækninger. Den
naar ikke op over Ve s te r aa 1 s eggen.
Tversnit XVI gaar mellem den 71. og 70. Breddegrad
udenfor Tromsø. Paa Banken er i 130 Favnes Dyb en
Temperatur af 6°. medens der under Land kun er 5°. Nul
Graders Isothernien ligger i 570 Favnes Dyb. Isotliernien
for — 1° stiger op mod Bankens Yderskraaning til 700 Favne.
Tversnit XVII (Pl. XII øverst og i anden Rad til
Venstre) gaar fra Grønland (73° N. Br.) over Tverrvggen
til Loppen (Finmarkens Sydgrændse, 70° 20’ N. Bi-.). Den
højeste Temperatur, over 5°, findes i de øverste Lag i
Snittets østligste Del, udenfor og over de norske
Kystban-ker. Udenfor disse sænke Varmegradsisothermerne sig
dybest ned. Isothernien for 0° rækker ned til 580 Favne.
Mellem Stationerne 29(5 og 297 løfter den og de øvrige
Isothermer sig raskt op mod Overfladen. Vestenfor
Station 297 skyder sig i 40 til 50 Favnes Dyb en Kile med
et Temperaturminimum paa — 1°.3 ind mellem de
over-og underliggende varmere Vandlag. Først i meget større
Dyb kommer atter Isothernien for — 1° tilsyne, i det hele
taget med lignende Bøjninger som den for 0°. I den
vestlige Del af Snittet, i Grønlandshavet, optræder — 1°.5 og
— 1°.6.
Tversnit XVIII følger ’omtrent den 74. Breddegrad
söndenfor Beeren-Eiland. Det viser Overgangen fra
Nord-havs-Dybet til Østhavet. Vestenfor Beeren-Eiland sænke
Isothermerne sig mod Vest. Allerede i 400 Favnes Dyb
have vi 0° paa Skraaninger Østenfor
Beeren-Eilands-Banken er Temperaturen paa en lang Strækning højere i
100 Favne end i Overfladen, idet Isothernien for 2°
indeslutter et Maximum i Dybet. Ellers aftager Temperaturen
mod Øst og mod Dybet. Nul Grad viser sig ved Station 275.
Tversnit XIX gaar fra Grønland (74°.5) mod Øst og
langs den 75. Breddegrad til Beeren-Eilantls-Banken. I
Dybet træffe vi den merkelige ovenfor, Side 5 f, omtalte
Forhøjning paa Havbunden. Den højeste Temperatur, over
4°, ligger i Vest for Beeren-Eilands-Banken, over dennes
ydre Skraaning. I Overfladen er det her mindre varmt
end i 100 Favnes Dyb. Under dette Temperaturmaximum
buge alle Dybets Isothermer sig nedad. De stige op langs
Banken og mod Grønlandshavet, i hvilket den laveste
observerede Havtemperatur i Dybet, — l°.7, optræder.
Nul-gradsisothermen stiger paa Banken til 400 Favne; udenfor
gaar den ned til 560 Favne.
Tversnit XX gaar fra Station 332 til 326, fra WNW
til ESE mellem Spidsbergen og Beeren-Eiland, fra
Nord-havsdybet til Østhavet. Udenfor Bankens Eg er
Temperaturens Maximum ikke i Overfladen, men nærmere ved 100
Favnes Dyb. Nul Grad træffes i 480 Favnes Dyb. Det
— 1°.17 (Station 213). The isotherm for — 1°.3 occurs
round Jan Mayen, as also along the slope on the western
side of the deep, and at the bottom on its eastern side;
but in both localities throughout confined tracts only. It
does not reach up above the Vesteraalseg.
Section XVI extends from between the 71st and
70th parallels of latitude, off Tromsø. On the bank, at
a depth of 130 fathoms, there is a temperature of 6°.
while, close to land, 5° only occurs. The isotherm for 0°
lies at a depth of 570 fathoms. That for — 1° rises towards
the outer slope of the bank up to 700 fathoms.
Section XVII (Pl. XII; first and second row to the left)
extends from Greenland (lat. 73° N) across the Transverse
Ridge to Loppen (southern extremity oi’ Finmark, lat. 70"
20’ N). The highest temperature, over 5°, occurs in the
upper layers of the eastern part of the section, off and above the
Norwegian coastal banks. Without the latter, the isotherms
for degrees above 0° sink deepest. The isotherm for 0°
reaches clown to 580 fathoms. Between Stations 296 and 297.
this and the other isotherms rise up rapidly towards the
surface. West of Station 297, at a depth of 40 to 50
fathoms, a wedge-like mass of water, with a
minimum-temperature of — 1°.3 lies between the upper and lower strata
of warmer water. Not till it reaches a very considerable
depth can the isotherm for — 1° again be observed, on the
whole with curvatures similar to that for 0°.
Throughout the western part of the section, in the Greenland Sea,
occur — 1°.5 and — 1°.6.
Section XVIII extends along the 74th parallel of
latitude, south of Beeren Eiland. It shows the transition
from the North-Ocean Deep to the Barents Sea. West of
Beeren Eiland, the isotherms sink towards the west. At
a depth of not more than 400 fathoms, we have 0° on
the slope. East of the Beeren-Eiland Bank, the
temperature is higher for a very considerable distance at a depth
of 100 fathoms than at the surface, since the isotherm
for 2° encloses a maximum in the deep. Besides, the
temperature diminishes towards the east and towards the
deep. A temperature of 0° is met with at Station 275.
Section XIX extends from Greenland (74°.5) towards
the east, passing along the 75th parallel of latitude
to the] Beeren-Eiland Bank. In the deep we find the
singular eminence mentioned above, p. 5 f’, rising from the
sea-bed. The highest temperature, more than 4°, occurs west
of the Beeren-Eiland Bank, over its outer declivity. At
the surface, the water is not so warm as at a depth of
100 fathoms. Below this maximum of temperature, all
deep-lying isotherms curve downwards. They rise along
the bank and towards "the Greenland Sea, in which the
lowest sea-temperature observed in the deep, —1°.7, is
found to occur. On the bank the isotherm for 0° rises to
400 fathoms, off it reaching not higher than up to 560 fathoms.
Section XX extends from Station 332 to Station 326,
or from WNW to ESE, between Spitzbergen and Beeren
Eiland, from the North-Ocean Deep to the Barents Sea.
Off the edge of the bank the maximum-temperature does not
occur at the surface, but nearer a depth of 100 fathoms.
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