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Hl
Skala-Væ rdi. Scale-Value.
Datum. {Dat’.) Sted. (Locality.) Antal Obs. Normalt her. (Stand.- Therm.] Buch. ! aflæst. (r’ad.) 1 Piezom. berepni. 1 (romp.) 1 i>. Diir. a —1). Temp, bsreg. (<-0>Hp.) Di». 0 -B.
.1877. Juli 10. Tromsø. 3 3"-32 2I4-Q3 215-24 — 0.31 3°42- - o(,.io
» » i 6.74 205.00 205.00 ■OO & -73 + i
Aug. 5- I Søen (-4/ Sea). i 4 .go 210.60 210.50 — -io 4.87 + 3
n 17- Salten Fjord. i 10 .70 193.20 193.10 + .10 10 .67 + 3
25".66 823.73 unn. MF = + 0.128 111111. = + 0°.042.
4 X 225.2 = Q00.80
— 77.07 o = — 3.0035
225.2 — a
3-0035
E11 Grad Celsius svarer til 3 111111. Til den
praktiske Beregning construerede jeg en grafisk Tabel, der
giver Temperaturen t med Argument Piezometeraflæsning a.
Hr. Buchanan havde opgivet Tryk-Correction for
Kvik-sölvpiezometret til 0.417 111111. pr. 100 Favnes Vandtryk,
og Værdien af en Grad til 3.02 111111. Dette svarer til
en Trykcorrectioii af l°.38l per lOuO Favne. Efterat
jeg ved Sammenligningerne paa Dybet i 1878 mellem
Negretti & Zambra’s Vøndetherniometre og
Miller-Casella-Thermometrene havde, som ovenfor vist, faaet bestemt de
sidstes Tryk-Correctioner, kunde jeg benytte de paa samme
Dyb gjorte samtidige Registreringer af
Miller-Casella-Thermo-motrene og Kviksølvpiezomctret til at verificere dettes
Trykcorrectioii. Disse Registreringer staa i den følgende Tabel.
One degree Celsius corresponds to 3 111111. For
practical computation, I constructed a diagrammatic table,
in which the temperature, t, is given with the
piezometer-reading, a. as argument.
Mr. Buchanan had given the pressure-correction for
his Mercury-Piezometer at 0.417 111111. per 100 fathoms
water-pressure, and the value of a degree at 3.02 111111.
This corresponds to a pressure-correction of 1°.381 per
1000 fathoms. After having, 011 the cruise ol’ 1878, by
comparisons in the deep between Negretti A Zambra’s
inverting-thermonieters and the Miller-Casolla instruments,
determined the pressure-corrections of the latter, I could
use the registrings of the Miller-Casella thermometers and
of the Mercury-Piezometer, made simultaneously at the
same depth, to verify the pressure-correction of the
latter. These registrings are given in the following Table.
Station. No. Dytxle. (Itepth.) Favne. (HUltOlit*. I Therm. III. Con-. B. Tryk-Corr, I’—ll».) for B. Tryk-Corr. <Pr,,«m~lWr.> (««p.) Ditr. t) -B.
96 805 — I’-M 2".26 + 1".I2 + "".13 — o".o 1
97 683 — I 13 — 2 AO 0 ,g7 O .96 + i
98 388 — 0 .99 — I -52 0 .53 0 -55 2
I2t) 7og — 1 .18 - 2 .10 0 .92 i .00 8
17’ 642 I .02 I .78 0 .76 0 .90 — 14
176 536 — 0 .28 - - O .94 0 .66 0 -75 — 9
■79 1607 — i -17 — 3 -55 2 .38 2 .28 J + >0
184 ■547 — i .21 — 3 -55 2 -34 2 .19 + "5
213 1760 i .19 — 3 -7" 2 .52 2 -49 + 3
218 968 - 1 .36 — 2 .66 1 .30 ■ .36 6
2 it) 796 — i .24 - 2 .28 i .04 i .12 8
10441 ■ 4". 5 4 ff = -)- 0.001393
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