Lamont-Doherty Earth Observatory174
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Gumby Suits
The first day of any UNOLS cruise is filled with myriad meetings, briefings, and safety courses. All new crew members and scientists are provided a comprehensive orientation to introduce them to many of the ships operations, safety equipment, and procedures. Among other things, we learn about separating our plastics from the biodegradable trash, what kind…
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Journey to the EPR
Yesterday we set sail from Manzanillo, Mexico, bound for a hydrothermal vent system on the East Pacific Rise (EPR) near 10 degrees North. The EPR is part of the world’s mid-ocean ridge system where new crust is formed as Earth’s plates spread apart. Many of the most exciting Earth processes occur at mid-ocean ridges, including…
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Urban Action: The Ultimate Reality Show
As the giant climate classroom in Copenhagen moves toward its closure, some will come away frustrated and even angry, while others may be satisfied or at the very least relieved. Whatever documents may be signed at the end of the meeting, these two weeks of December will have a lasting impact. The stresses on our…
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Four Times Around the World in 40 Days
For the first time in more than 40 days, the nose of the NASA DC-8 is pointing north after taking off from Punta Arenas airport. We have completed our Antarctic survey flights and are heading back home to Palmdale, California. But before we start climbing to cruising altitude we are flying at 300 ft above…
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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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Ghost Ice Shelves
Nick Frearson, Gravimeter Instrument Team, Lamont-Doherty Earth Observatory: PUNTA ARENAS, Chile–Not all rides in the DC-8 are smooth and effortless. Our flight down the Thwaites Glacier was a race against weather, with the stomach-churning quality of a carnival ride. Both the Thwaites and Pine Island glaciers flow into the Amundsen Sea. This section of Antarctica,…
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At Home Floating Over Antarctica
Nick Frearson, Gravimeter Instrument Team, Lamont-Doherty Earth Observatory: PUNTA ARENAS, Chile–Skimming across the Weddell Sea at 250 miles per hour I am finally on the way to Antarctica. Even though my visit to the white continent will be at a height of 1500 ft I still feel a sense of ‘homecoming’, as if I am…
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Over Pine Island Glacier, West Antarctica
PUNTA ARENAS, Chile–After flying for several hours over a windswept Southern Ocean, the mission director announces that we will be slowly descending towards Antarctica’s Pine Island Glacier. Just below are the Hudson Mountains, a small group of extinct volcanoes poking through the ice. As we approach our survey area, John Sonntag from NASA’s flight facility…
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Night Watchman
Nick Frearson, Gravimeter Instrument Team, Lamont-Doherty Earth Observatory: PUNTA ARENAS, Chile–I have become a night watchman of sorts. The gravimeter we’re using in our flights over Antarctica must remain powered at all times, so between flights I hole up in the old terminal next to the aircraft watching, …and watching. We won’t be on the…
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