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A Year in the Ice

MOSAiC: Multidisciplinary Drifting Observatory for the Study of Arctic Climate

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Continue the Journey with MOSAiC Data Puzzles


Bring real MOSAiC datasets into your classroom!
Temperature change over time

Escape to the Central Arctic... online!

Your computer is now a portal to the North Pole. Explore one of the most remote, mysterious regions on Earth from the comfort of your own home.
New MOSAiC MOOC

MOSAiC Expedition Transfers

Check out the latest from those on-board the RV Polarstern, and read about the challenges they face during the leg transitions of crew, researchers, and gear.
MOSAiC Expedition Page
Jan Rohde

MOSAiC is an international expedition to study the Arctic climate system, from ocean to ice to atmosphere. Over 500 scientists...more than 16 nations...12 months...frozen in the ice. Learn more.

Recent News

This screen capture is from Byrd Polar and Climate Research Center’s Virtual Ice Explorer tour called “Huascarán, Yungay, Peru,” showing scientists at work on the 2019 Ice Core Paleoclimatology expedition to Mount Huascarán. Credit: Byrd Polar and Climate Research Center Virtual Tours Through the Ice...
July 12, 2021
Eos - The Byrd Polar and Climate Research...
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The German research icebreaker Polarstern heading toward the North Pole through thin ice last August.Credit...Steffen Graupner/MOSAiC Arctic’s ‘Last Ice Area’...
July 1, 2021
Henry Fountain, NY Times - Last August...
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Juergen Graeser launches a weather balloon on the helicopter deck of Polarstern research vessel in 2019. Credit: Esther Horvath New Climate Research...
June 23, 2021
Bob Berwyn, Inside Climate News - After...
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Originally commissioned in 1982, the Polarstern is, to this day, still one of the most advanced and versatile polar research ships worldwide. Between 1999 and 2001, the ship was completely overhauled and now carries the latest equipment and technologies available. Image - Bruce McAdam from Reykjavík, Iceland CC SA 2.0 Global warming is making...
June 23, 2021
Karen Graham, Digital Journal - In the spring...
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Arctic stock photo Scientist who led largest Arctic...
June 20, 2021
Gulf Today - The scientist who led the largest-ever...
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ARM deployed radars, lidars, aerosol particle counters, and other atmospheric instrumentation on the bow of the Polarstern, the mother ship of the MOSAiC expedition overseen by Germany’s Alfred Wegener Institute (AWI). Photo is by Christian Rohleder, AWI. MOSAiC: A Sustained Echo of Data
February 17, 2021
DOE ARM - More than once during...
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