Jökull


Jökull - 01.12.1953, Side 10

Jökull - 01.12.1953, Side 10
Fig. 2. Grímsvötn. View to the south from the lake at Vatnshamar 1 July 1953. Útsýn til suðurs yfir Grímsvötn frá vatninu unclir Vatnshamri 1. júli 1953. Photograph by Á. Kjartansson. in turns by us walking behind it. In that way we covered ab. 4 km per hour. Course N 54° E. Having covered 18.5 km we settled down in Camp II in ab. 1420 m height at 00:15 hrs. Temp. then 0.5°C Wind SSE 3. Drizzling rain. Tuesday 30 June. — We stayed in our tents to 11:30 hrs. Temp. then 2° C. Wind SE 1—2. Fog. Dry weather. At 12 hrs. the fog lifted so that we could see both Kerling and Hamar and determine our position, but soon everything was again veiled in fog. Having dug a pit (Pit II) we started at 16:10 hrs. and kept a course N 70° E. As the snow was, if possible, still more difficult than the day before, we made a very slow progress. At 19:40 hrs. we had travel- led 12 km and were in ab. 1600 m height. Having continued 0.5 km, we found that we had descended ab. 7 m, which could only mean that the terrain was now sloping towards the Grímsvötn depression. As we knew the slopes to be crevassed farther down, we decided not to continue in the dense fog, and pitched our tents at 20:00 hrs. in ab. 1580 m height. Temp. then 2°C. Wind SE 1. A pit 510 cm deep was dug that evening. Temp. at 23:00 hrs. 1.5°C. Calm. Fog. Wednesday 1 July. — Temp. at 09:00 hrs. 3°C Wind SE 1. Visibility 50—100 m. Drizzling rain. At 11:30 hrs. the weather began to clear so that we could see the two Svíahnúkar summits and check our position. At midday we started off towards Grímsvötn. We moved carefully down- wards in a zigzag route between crevasses and high dirt cones and reached the depression plain (Fig.2) 2 hours later. The sky was then clear just above the depression, but the upper part of Grímsfjall was veiled in clouds and so were the surrounding glacier cupolas. The temp. down on the plain was ab. 5°C and it was perfectly calm down there. Such a weather 8

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Jökull

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