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Monday, 17 December 2007 13:45
Norway-US Antarctic Traverse: Chief driller has a wounded finger
Written 16 Dec 2007
3619 meters above sea level
Maximum & Minimum temperatures: -20 to -36 °C
Our chief driller has been troubled with a bleeding finger the last week due to metal pieces that are stuck in the finger. The situation has become worse these last few days and she is currently requested by our paramedic Kjetil to quit working.
The wound has been bleeding this last week. It is not serious but the wound will not heal properly. Today, our medical responsible, Kjetil Bakkland, removed pieces of metal in the finger but there might be more remaining. Because of this, the drilling of t...
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Monday, 17 December 2007 07:23
Norway-US Antarctic Traverse: Welcome to “Plateau Station B”
Written 15 Dec 2007
3619 meters above sea level
Maximum & Minimum temperatures: -23 to -36°C
Unfortunately, another technical problem arose the other day. This time it was the transfer box on Chinook that died. A spare one is at Troll and we are expecting a Basler flight within a few days. However, to utilize our valuable time we decided to call this site “Plateau Station B” and go on with the planned science including drilling of a 90 meter ice core and erecting the first out of two Automatic Weather Stations.
This weather station is prepared by the “Ice and Climate” group at Univer...
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Saturday, 15 December 2007 06:59
96 years ago today, Roald Amundsen reached the South Pole
On 14 of December 1911, Roald Amundsen and his four men reached the South Pole. Thus, Amundsen, Bjaaland, Hanssen, Hassel and Wisting became the first persons to set their feet on the geographical South Pole.
Written 14 Dec 2007
3619 meters above sea level
Maximum & Minimum temperatures: -20 to -37 °C
In 1911, it was a race to be first reaching the South Pole. Amundsen’s strategy with using dogs to pull the sledges turned out to be superior to ponies and motor sledges used by Scott. Amundsen used 99 days back and forth from his station Framheim at the ice edge in the Ross Sea. The station was named after the polar vessel Fram owned by Fridtjof Nansen and used during the famous drift across the Arctic Ocean in 1893-1896.
...
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Friday, 14 December 2007 09:18
Norway-US Antarctic Traverse celebrates IPY Ice Sheet Day
Written 13 December, 2007
3619 meters above sea level
Maximum & Minimum temperatures: -21 to -38 °C
Having completed our drilling at site 32B yesterday, we began our trip to Plateau Station this morning. With clear skies and a smooth snow surface, we were able to make good time across the ice sheet.
Today is the International Polar Year’s “Ice Sheet Day” celebration. As one of the key International Polar Year Antarctic expeditions for Norway and the U.S., we used our satellite telephone to join in the Ice Sheet Day session at the American Geophysical Union meeting in San Fran...
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Thursday, 13 December 2007 14:31
Norway-US Antarctic Traverse: More ice cores retrieved
Written December 12
3591 meters above sea level
Maximum & Minimum temperatures: -24 °C to -37 °C
The core would just not keep together! A number of drill holes were given up before we eventually managed to retrieve the two short ice cores that were planned for this location. The reason for this was most likely that we had stopped in an area with extreme low accumulation with large ice crystals that were very poorly bonded. None of us had experienced such conditions before.
To avoid similar situations later on our traverse, we have now studied the Radarsat satellite mosaic for Anta...
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Thursday, 13 December 2007 00:22
Norway-US Antarctic Survey: The summer is approaching
3591 meters above sea level
Maximum & Minimum temperatures: -24 °C to -38 °C
We were prepared for temperatures down to -50 degrees C before we left out on the expedition. The minimum temperature that we have recorded so far reached down to -46 degrees C. The lowest wind chill temperature was -64 degrees C. The three first weeks, nighttime temperatures dropped steadily below -40 degrees C. The last week, however, both daytime and nighttime temperatures have increased by about 5 degrees. We think we see the first signs of the summer… This change in temperature is making the conditions much easier for personn...
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Tuesday, 11 December 2007 09:06
Norwegian-US Antarctic Traverse: Environmental aspects and waste management
3591 meters above sea level
Maximum & Minimum temperatures: -22 °C to -30 °C
Environmental regulations and standards in Antarctica follow the Protocol of Environmental Protection under the Antarctic Treaty. All activities are evaluated in accordance to these standards. Our project has reported the wide variety of activities that we carry out in an initial environmental evaluation. The evaluation was approved by the Norwegian Ministry of Environment prior to departure.
The most severe impact from our project is burning of fuel due to the long distances we travel. In total, we will consume about 5...
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Monday, 10 December 2007 06:44
Norwegian-US Antarctic Traverse: Camp setup
On a day as today, when winds are blowing the snow around, large snow drifts may form over night. If we parked our vehicles randomly, we may get large drifts that need to be removed in the morning. Or perhaps snow drifts would made us become stuck when starting out for driving the next morning.
Also, the order of how the vehicles are parked has been carefully considered. In the front, our main generator delivering power to the whole camp is placed. Both the living/kitchen module and the sleeping module, which are next to each other for practical reasons, receive power from the main generator. We keep the upwind area clean and this area is designated for science.
...
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Monday, 10 December 2007 00:37
Norwegian-US Antarctic Traverse: Traversing with blowing snow
Written 8 December, 2007
3604 meters above sea level
Maximum & Minimum temperatures: - 29 °C to - 36 °C
Yesterday’s breezy conditions evolved overnight into strong winds with a lot of blowing snow, making today’s conditions the worst for visibility that we have experienced since our departure from Troll. Our goal for today is to travel all day and make good progress toward our next drilling site. Fortunately, with GPS navigation and no known obstacles between here and the drill site, we have been able to push ahead in spite of the poor conditions.
The wind makes a striking difference on the ice sheet. Thursday morning it was -30 C, with clear skies, almost no wind, and walking and working on the ice sheet was pleasant. Bare cheeks were fin...
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Monday, 10 December 2007 00:31
Norwegian-US Antarctic Traverse: Radioactive species in the Antarctic snow
Written December 7, 2007
3589 meters above sea level
Minimum temperature: -45 °C
When drilling ice cores, one important task is to establish a precise dating of the core, i.e. know the age of the ice at certain depths. There are several methods for dating an ice core including using fallouts from the nuclear test bomb explosions as horizons of known age. We are drilling down to 7.5 meters to capture the well known radioactive reference layers from 1955 and 1965. These are later identified in the laboratory by measuring the Total ß-radioactivity.
This contribution is from the log of the Norw...
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