The sea west of Spitsbergen; the oceanographic observations of the Isachsen Spitsbergen Expedition in 1910 . ure of the water between 50 and 450 metres atMakaroffs two stations was C. while the corresponding mean tempera-ture for Stats. 3 and 4 was ° C. If these temperatures were compar-able, the Atlantic water should thus have been about C. colder in 1899 than in 1910. The vertical tempera-ture-curves of MakaroffsStats. 5, 6, and 7 (Fig. 21,Ma 5, Ma 6, and Ma 7) ofJune 30th and July ist,1899, show much lowertemperatures than the curves of IsachsensStats. 1 and 11 of June 25th a
The sea west of Spitsbergen; the oceanographic observations of the Isachsen Spitsbergen Expedition in 1910 . ure of the water between 50 and 450 metres atMakaroffs two stations was C. while the corresponding mean tempera-ture for Stats. 3 and 4 was ° C. If these temperatures were compar-able, the Atlantic water should thus have been about C. colder in 1899 than in 1910. The vertical tempera-ture-curves of MakaroffsStats. 5, 6, and 7 (Fig. 21,Ma 5, Ma 6, and Ma 7) ofJune 30th and July ist,1899, show much lowertemperatures than the curves of IsachsensStats. 1 and 11 of June 25th and 27th,i9ro (see Fig. 24). All these observationsthus point in the same direction. HjortsStat. 64 of September, 1900, was aboutmidway between Makaroffs Stats. 33 (about55 naut. miles to the north-northwest) and34 (see Fig. 21). The vertical curves ofboth Makaroffs stations show higher tem-peratures than the curve of Stat. 64 (seeFig. 221. The following table gives the temperatures inioo, 200, 300 and 400 metres at Makaroffs two stations(Ma 33, Ma 34) and Hjorts station H 64: too zoo 300 wo 500 600 700. 800 f HELLAND-HANSEN AND FR1DTJOK NANSEN. Depth in metres Ma 334. IX. 99 Ma 344. IX. 99 Mean ofMa 33 & 34 H 646- IX. 00 C. 2-72-3 19 3-7° C 3i 2-5 3-45° ° C. 2-5 200 „300 „ .400 „ . Mean C. ° C. ° C. ° C. 100 zoo 300 WO 500 600 700 800 900 1000 1100 1200 The meantemperature ofMakaroffs twostations wasthus ° thanthat of Hjorts Stat. 64. 1 hisagrees fairly well with whatwas found above, viz. that thewater of the current in 19 iowas ° C. warmer than in1900, and C. warmer thanin section through Mohns Stats. 306,308, and 314 of July 21st and 22nd, 1878(Fig. 21, M 306, M 308, M 314) is in thesame region as Isachsens Sect. I (Stats. 2,3 and 4). The vertical temperature-curvesof these stations are represented in Figs. 23and 25. The mean temperature of thewater between 5
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