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I de fleste Maaneder er saaledes Havoverfladens Tem- Hence, during most months of the year the temper- 
peratur merkelig højere end Luftens, og i Gjennemsnit for ature of the sea-surface is considerably higher than that of 
Aaret henimod 2° (1°.8) højere. Havoverfladen modtager the air, and the mean annual difference reaches close upon 
kun i et Par Vaar- og Sommer-Maaneder lidt Varme fra 2° (19.8). During one or two of the summer-months only 
Luften, ellers giver den stadig Varme til Luften. Havets does the sea-surface get a trifling amount of heat from the 
Temperatur i Overfladen hidrører saaledes væsentlig fra atmosphere; the rest of the year it steadily continues giving 
andre Kilder, ligesom Dybets. off heat to the air. The temperature of the sea at the 
surface must, therefore, be chiefly derived from other sources, 
' as is the case with that of the deep. 
Isothermkarterne Pl. XVI og følgende vise, atfHa- | The Maps of Isotherms, Pl. XVI and following, 
vets Temperatur langs Norges Kyst har sin Oprindelse fra | show the temperature of the sea along the coast of Nor- 
Atlanterhavet, hvorfra Varmen forplantes ved Strømninger. way to have its origin in the Atlantic, whence the heat is 
Isothermernes Tungespidser eller Varmeaxerne vise os disse propagated by currents. The isothermal tongues, or axes 
Stromningers Lob langs Norges Kyst. of heat, exhibit these currents in their course along the 
coast of Norway. 
| 
7. Temperaturens aarlige Vandring i de øverste Lag. | 7. Annual Variation of Temperature in the Upper 
Strata. 
| 
Den Maade, paa hvilken Temperaturen i Havet va- The manner wherein the temperature of the sea varies 
rierer i Aarets Lob 1 de øverste Lag indtil 100 Favnes throughout the year in the upper strata down to a depth 
Dybde, fortjener en nærmere Undersøgelse, da den frem- of 100 fathoms, deserves a closer investigation, presenting 
byder flere merkelige Trek og er bestemmende for den as it does various remarkable characteristics, and deter- 
midlere aarlige Fordeling af Temperaturen i disse Lag. mining the distribution of the mean annual temperature in 
those strata. 
Sammenhængende Tagttagelser til at studere Tempe- Continuous observations for the study of the annual 
raturens aarlige Gang i Dybet have vi fra Lødingen og | variation of the temperature in the deep, have been taken 
fra Altenfjorden, som ovenfor nævnt (Side 87 og 88). at Lødingen and in the Altenfjord, as stated above (pp. 87, 88). 
Lødingen. 
Dybde Januar Maj Juni Juli August September October Noyember December 
(Depth) 
Favne. Meter. 1880 1881 1879 1880 1879 1880 1879 1880 1879 1880 1879 1880 1879 1880 1879 1880 1879 1880 
(Fins.) 
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
O 0) BØ Pål st RA OG) Foul Tigh MOT TDG] Wiles 10.7 10.5 OB FO GQ EG 5.0 4.4 
10 18 3.8 DI 3.8 4.9 6.2 6.6 9.5 9 10.5 10.8 10.6 10.5 9.5 77. FA UR 5.4 2.8 
20 37 Mo BB 3.5 4.5 5.4 5.8 6.9 FP 8.1 8.7 10.5 10.1 9.8 8.2 7.6 5.5 Roy Bo 
30 55 4.4 4.4 39 4.6 G2 Be 58 ° 5.8 6.4 7.2 å FO 9.9 7.9 WI 78 5.9 5.3 
40 73 AS) Boll Ag 82 BÅ 82 Bo Bå do 15-8: 8.8 6.0 TOP FS Fj 6.4 6.4 
50 92 5.3 5.7 5. 5.5 Bo 68 6.1 5.6 6.0 6.0 8.4 6.0 Tor Ow Hos OG Gå OF 
70 130 6.4 6.3 6.2 6.0 6.1 =.9 O83 O2 6.2 6.1 Tes OP Su OO) 7.1 s2 6.6 6.2 
100 188 omme 6.4 6.4 6.3 6.3 6.6 6.5 6.5 6.4 Oo Gå OY 63 6.4 6.4 O3 OG 
Tages Middel af begge Rækker faaes: | Taking the mean of both series, we get — 
Favne. Meter. Jan. Maj. Juni Juli Aug. Sept. Oct. Nov. Dec. Aar Var. 
(Fms.) (Year) (Range) 
fo) ©) 26 40.84 79.04 10°.8+- 12°.3+ 10°.6+ SU G3" 40.71 5°.9 9°.7 
10 18 Få 474 6.4 ope 10.7 10 .6 8.6 SE Ao 5.8 7.4 
20 37 3.6 4 .0* 5 .6 7 oll 8.4 10.3 9.04 6.6 4 7 AASS OG 
30 55 44 4.3 5.3" 5.8 6.8 8.3 8.9 7 +5 5.6 55 4.6 
40 73 5.0 5.0 5.3 5 off” 5 .9* 7 4 8 .6 7 Å 6.4 5.6 3.6 
50 92 5.5 5.6 5.5 5.9 6.0 7 2 8.3 77 oll 6 57 5 og 2.8 
70 130 6.3 6.1 6.0 6.2 6.2 7.0 7 «I 6.6 6.4 5.9 1 oil 
100 188 6.47 6 4 6 .3+ 6.54 6.54 6 .4* 6 og 6 .4* 6.3 6.4 0.2 
Disse Temperaturrækker ere fremstillede grafisk i 
Pl. XXVI — Lødingen. 
These serial temperatures are represented diagram- 
matically in Pl. XX VI — Lødingen. 
12* 
