Antarctica19
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Welcome to the LARISSA Cruise!
Right now, everyone is busy working in port. There is cargo to load, labs to set up, and endless problems to solve. But it will all be worth it once we set sail on January 2nd. Here’s the Research Vessel Nathaniel B. Palmer, otherwise known as the NBP And here’s cargo being moved to one…
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This Time, A Colder Destination
My name is Debra Tillinger and I’m a graduate student in ocean and climate physics at Lamont-Doherty Earth Observatory. Until now, all of my work has focused on the tropics. My thesis is about the Indonesian Thoroughflow, which transports water from the Pacific Ocean to the Indian Ocean via the narrow straits and deep basins…
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Return to an Ice Shelf Lost
A team of scientists, technicians and helicopter pilots will sail from Punta Arenas, Chile, for Antarctica on Jan. 2. I’ll be part of that team, collecting data, and serving as co-chief scientist for the cruise. Our home for the next two months will be the ice-breaking research vessel Nathanial B. Palmer. My journey starts with…
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A Breathtaking But Fragile Landscape
Michael Studinger, Instrument Co-Principal Investigator, Lamont-Doherty Earth Observatory: PUNTA ARENAS, Chile–The weather forecast for our survey over the Larsen C Ice Shelf looks good. Given the difficult weather over the past couple of days this is a welcome change. After studying satellite images and computer models and talking to the meteorologist at the Punta Arenas…
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Antarctic Scientists Inaugurate ‘Ocean Station Obama’
Far From Washington, Gathering Climate Data Under New President
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Cosmic Dust in Ice Cores Sheds Light on Earth’s Past Climate
Each year nearly 40,000 tons of cosmic dust fall to Earth from outer space. Now, the first successful chronological study of extraterrestrial dust in Antarctic ice has shown that this amount has remained largely constant over the past 30,000 years, a finding that could help refine efforts to understand the timing and effects of changes…