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130
Vi have saaledes A" —x — a, og
A* U X-
We have thus -V
’ zr a, and
A’
U—u
U ’
U
U—u
24°- m = 540 km-
Heraf faaes (This pires) H = k X U = 0.485 ni.
TT lx\* , /300\ä
h = H \ J = 0.485 .
X —a
540 — 240 = 300 km.
\A7
Toppunktets Høide = 0.9 -f- 0. f49 = 1.049 m. Højden
1.049 — H = 1.049 —0.485 = 0.564 m.
Fra Punktet med Hastigheden U = 0.13 til Islands
Kyst er Afstanden a lig 170 km. og ved Kysten
Hastigheden u lig 0.10 ni. j). S. Den tilsvarende Parabel har sit
Toppunkt söndenfor Island, og Axen vender opad. Med
de samme Betegnelser som ovenfor findes
15401
= 0.149 ni.
U—u
The height of the vertex ± 0.9 -f 0.149 = 1.049 ill.
The height of the point L’ —
1.049 — H = 1.049 -0.485 = 0.564 m.
From the point with the velocity U — 0.13 to the
coast of Iceland, the distance a is equal to 170 kilometres;
and at the coast the velocity n equals 0.10 metre per see.
The corresponding parabola has its vertex south of Iceland,
and its axis pointing upwards. With the same
denominations as above, we get
u u , 0.10 . ,
= a .. — 1(0. , „ = ;)(>/ km.
—u U—n 0.03
Altsaa (Hen,w) X = 567 + 170 = 737 km. H -kU X - 0.655 m.
N
X
7371
— 0.387 m.
Hojden ved Islands Kyst m
0.564 — (0.655—0.387) — 0.564 —0.268 r= 0.296 m.
Fores et Normalsnit fra Punktet A til Islands
Østkyst, kan man regne med A’ — 685 km, U — 0.065
(Middel af Hastighederne nordenfor) og faar deraf H= 0.3007
Meter. Dette stemmer med Islandskystens Højde over
Ni-veauliaden, beregnet fra Grrønland af. Middel af begge
er .J (0.29(5 0.301) = 0.299 Meter. Islandskystens Højde
kan saaledes sjettes til 0.3 Meter.
Med et Punkt i Atlanterhavet som Centrum
söndenfor Island ere Ligehøjdelinierne beregnede efter Afstanden
til Island og til Irland meel de respektive Værdier af
H = 0.3 og 0.8 Meter.
Den saaledes fundne Fonn af Vindfladen er
fremstillet i Kartet Pl. XXXIII. Dens dybeste Parti AB
ligger 0.8 Meter under Europas Kyst, 0.9 Meter under
Grønlands Kyst, 0.5 Meter under Spidsbergens Kyst og 0.3
Meter under Islands Kvst.
The height at the coast of Iceland =
0.5(54 — (0.655—0.3871 = 0.564 —0.268 — 0.296 metre.
If a normal section be drawn from the point A to
the cast coast of Iceland, we can calculate with .V = 685
kms, U — 0.065 (mean of velocities farther north); and
obtain H — 0.3007 metre. This result agrees with that
for the height of the coast of Iceland above the surface ol’
level computed from Greenland. The mean of both is
i (0.296 -f- 0.301) - 0.299 metre. Hence, the height of the
coast of Iceland may be taken at 0.3 metre.
With a point in the Atlantic south of Iceland as
centre, the lines of equal height have been computed
according to the distance from Iceland and from Ireland,
and with the respective values of H — 0.3 and 0.8 metre.
The fonn of the wind-surface thus found has been
represented in the map. Pl. XXXIII. Its deepest part.
A />, lies 0.8 metre beneath the coast of Europe. 0.0 metre
beneath the coast of Greenland, 0.5 metre beneath the
coast of Spitzbergen, and 0.3 metre beneath the coast of
Iceland.
5. Havvandets specifiske Vægt.
Hvad Bestemmelsen af denne for Havets Bevægelse
vigtige Factor angaar, henvises til H. Tornøes Afhandling
i denne Generalberetning1.
De i Tornøes Tabeller- givne Værdier af Havvandets
5. Specific Gravity of the Sea-Water.
As regards determining this factor, so important for
the motion of the sea, the author refers to 14. Tornøe’s
Memoir, published in this General Report.1
The values given in Tornøe’s Tables 2 for the specific
I).-n norske Nordliavs-Expedition. Chemi. II. Toruøe.
L. e. S. :»0—64.
1 The Norwegian North-Atlantic Expedition. Chemistry. II.
Tornoe.
- Ibid., p. p—04.
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