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Thursday, 20 December 2007 18:57
Norway-US Traverse: 2nd deep drill hole is well underway
Written by US-Norway Traverse
Written 19 Dec 2007
3619 meters above sea level
Maximum & Minimum temperatures: -25 to -35°C
No doubt, this ice core has really challenged us. We started drilling last Saturday and have encountered a series of problems since then. Today, however, it seems like we reached a turning point. The optimism is back in the hard-working drilling team and maybe by tomorrow the second 90 meter ice core is retrieved.
Today, we also took part (by satellite phone) in a press seminar in connection with the visit of Norwegian Prime Minister Jens Stoltenberg to Troll Station in January 2008.
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Summer seems to have arrived on Mt. Morning. The air outside my tent today was cool, and if it wasn’t entirely springlike, temperatures were certainly above freezing. Margins of a few icy ponds had melted, and little sprigs of algae unfurled green fronds under the surface.
We spent the day traversing the 25,000-year-old lava flows below Emperor Cone. Traveling with geologists, you don’t have to worry too much about forgetting your water bottle – our camp was almost always in sight. In about nine hours, we got no farther away from camp than 1 kilometer. But in that short space we found plenty to look at: wind-eaten rocks, two very different forms of lava, and a fence of hexagonal stone pillars, among other sights you’ll hear about another day.
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Thursday, 20 December 2007 14:12
Arriving on the Ice: POLENET begins its ambitious field season
Written by POLENET Team
My name is Stephanie, and I am a graduate student with Ohio State University. My research focuses on using GPS to study crustal deformation in Antarctica, and this blog is meant to document my experiences in Antarctica, or “the ice” as it is affectionately known by many. This is my third time down to the ice, but only my second season. By season, I mean summer in Antarctica, from about October through February, when the sun is out for 24 hours a day. In 2004/2005, I was here putting out GPS equipment throughout the Transantarctic Mountains as part of the TAMDEF project (Transantarctic Mountain Deformation Project). Now I am here continuing that work as part of a project called POLENET (Polar Earth Ob...
Thursday, 20 December 2007 06:29
Polarstern: To be David Attenborough for a day
Written by Polarstern Expedition
Written Wednesday, 19 December
Hi, it’s me again, Nils. Here on Board of Polarstern I am responsible for the deep-sea camera, and when I am not busy taking pictures of the ocean floor, I film what is happening around me. And of course the most impressing thing one can film here on the ice is wild penguins. The small, funny Adelies and the nearly 1 m tall, very dignified Emperor penguins are en route to their brooding places.
Of course I have to film th...
Written Wednesday 19th December 2007
By Margot Foster
Pleased to report that I've found my sea legs and am spending longer in the galley after a gingery start.
I’ve been prowling the ship and everywhere you turn there's an experiment or research underway - whether it’s the continuous plankton recorder (CPR) or testing the water's chemical composition, every lab is busy. The temperature is down to 6 degrees now we are in mid fifty latitudes
I watched the CPR being winched in from the trawl deck with its silk roll trapping plankton during an overnight trawl. What a remarkable contraption it is! It’s like a chunky little silver rocket with a propeller behind it. It’s so simple and elegant and successful that this piece of...
Wednesday, 19 December 2007 17:46
Norway-US Traverse: Test flight of the UAV
Written by US-Norway Traverse
Written 18 December, 2007
3619 meters above sea level
Maximum & Minimum temperatures: -22 to -32 °C
All cameras were pointed towards the unmanned aerial vehicle (UAV) launcher when Stian made his first test flight today. The UAV carries one C-band radar, temperature and pressure sensors, a digital camera and a GPS. The C-band radar is similar to the ones on satellites and to the one we have mounted on one of the vehicles. Thus, data from these three different platforms will be compared. The camera can be used for route planning and crevasse detection. Some modifications will be made before the first long ...
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Written Tuesday, 18 December
Most of the scientists on board are specialized in the study of marine life and every opportunity to see or sample what lives on the bottom of this ocean is taken very seriously in consideration. Luckily enough during the delicate task of providing fuel to the station, a few hours had to be spent in the vicinity of the ice shelf; this time was indeed needed for the people from Neumayer to reach our position. This was the perfect opportunity to use one of our sampling gear called “the Rauschert Dredge” (named after Dr. Martin Rauschert who designed this device) and see what creatures we could catch on the sea floor, 500 meters below the icy surface of the water.
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Tuesday, 18 December 2007 22:31
Norway-US Antarctic Traverse: Visited by a Basler aircraft
Written by US-Norway Traverse
Written 17 Dec 2007
3619 meters above sea level
Maximum & Minimum temperatures: -22 to -36°C
The medical doctor at Troll paid us a visit today to inspect the wounded finger of our chief driller. In addition, we were supplied with spare parts for the vehicles.
The doctor inspected the wounded finger and put the chief driller on medication to prevent further inflammation. She is doing fine but is not allowed to use her right hand in order for the wound to heal. The remaining part of the drill team has currently reached to a depth of 50 meters.
The Basler also carried spare parts for our vehicles, in particular two transfer boxes, one differential and hydraulic oil. Shallow coring was completed and Stian prepared for flying the dron...
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Written Tuesday 18th December 2007
By Margot Foster
I am fragile this morning and take a simple breakfast of toast and vegemite.
I find that keeping busy is the key so I head for the bridge and a chat with the ship’s master. Captain Ian Moodie has made dozens of trips into the ice. These conditions, ‘pitching in a 3 metre swell’, as he notes in the ship log, are perfect. We are very lucky to have such ideal conditions for the deployment of moorings. The crew on the exposed trawl deck man-handle large and heavy equipment into place for deployment into the sea assisted by winches, ropes and chain.
Perfect conditions indeed. But why do I have the queasy creep? I think it’s because we are sloshing around in the swell; at time...