Earth changes

Breaking Through

The U.S. Coast Guard cutter Polar Star reached McMurdo Station on Jan. 18 for a one-day port call before returning to McMurdo Sound to continue clearing a channel in the sea ice. Source link

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The Antarctic Sun: News about Antarctica

Photo Credit: NCALM Personnel with the National Center for Airborne Laser Mapping install the laser-mapping instrument in a Twin Otter aircraft. The LiDAR was used to make high-resolution maps of the McMurdo Dry Valleys to understand landscape changes since 2001. LiDAR survey of McMurdo Dry Valleys to look for melting in the landscape By ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Peter Rejcek Cargo operations mark the beginning of the end to 2014-15 Antarctic field season Posted January 27, 2015 The operation is so big it’s known simply as Vessel. Photo Credit: Peter Rejcek The U.S. Coast Guard cutter POLAR STAR, left, escorts the MV OCEAN GIANT through the sea ice near McMurdo ...

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The Antarctic Sun: News about Antarctica

Paleobotanists discover new fossil flora in Antarctica By Peter Rejcek, Antarctic Sun Editor Posted February 12, 2015 A series of hills that form a wishbone shape at the extreme northwest corner of the region known as the McMurdo Dry Valleys appear lifeless today. Splashes of dirty white snowfields overlay parts of the muted camouflaged landscape of the Allan Hills, composed ...

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Curious Circles in Arctic Sea Ice : Image of the Day

Today’s story is the answer to the April 2018 puzzler. NASA’s Operation IceBridge—the airborne mission flown annually over both polar regions—is now in its tenth year making flights over the Arctic. That’s a lot of flight hours spent mapping the region’s land ice and sea ice. But on April 14, 2018, IceBridge mission scientist John Sonntag spotted something he had ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Laura Gerwin   Big storm hits McMurdo Station during fuel vessel operation Posted February 9, 2015 They call it tanker weather. Photo Credit: Laura Gerwin Every year a fuel vessel, above, arrives at McMurdo Station. Invariably, the weather takes a turn for the worse, with colder temperatures and high winds as the summer comes to an end. This ...

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The Antarctic Sun: News about Antarctica

Probe melts its way into river of ice to retrieve brine that feeds red-stained feature By Peter Rejcek, Antarctic Sun Editor Posted March 4, 2015 The name alone evokes a certain mystery on a continent riddled with enigmas. Jill Mikucki Blood Falls, however, is slowly giving up its secrets. A team of scientists and engineers sent a probe into the ...

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The Antarctic Sun: News about Antarctica

Photo Credit: Sage Asher More than 60 people participated in the McMurdo Marathon in January 2015. People both run and ski the event, which included a half and full marathon, along with a new ultra-marathon leg for a total of 31 miles. McMurdo Marathon crosses a milestone and finishes strong with new ‘ultra’ event ...

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