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MOSAiC

Embark on the largest polar expedition in history: in September 2019, the German research icebreaker Polarstern set sail from Tromsø, Norway, to spend a year drifting through the Arctic Ocean - trapped in ice. The goal of the MOSAiC expedition was to take the closest look ever at the Arctic as the epicenter of global warming and to gain fundamental insights that are key to better understand global climate change. Hundreds of researchers from 20 countries were involved in this exceptional endeavour. Following in the footsteps of Fridtjof Nansen's ground-breaking expedition with his wooden sailing ship Fram in 1893-1896, the MOSAiC expedition brought a modern research icebreaker close to the north pole for a full year including for the first time in polar winter. The data gathered will be used by scientists around the globe to take climate research to a completely new level. Led by atmospheric scientist Markus Rex, and co-led by Klaus Dethloff and Matthew Shupe, MOSAiC is spearheaded by Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI).

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MOSAiC

Embark on the largest polar expedition in history: in September 2019, the German research icebreaker Polarstern will set sail from Tromsø, Norway, to spend a year drifting through the Arctic Ocean - trapped in ice.

See expedition
See science

The goal of the MOSAiC expedition is to take the closest look ever at the Arctic as the epicenter of global warming and to gain fundamental insights that are key to a better understanding of global climate change. Hundreds of researchers from 20 countries are involved in this exceptional endeavour. Following in the footsteps of Fridtjof Nansens ground-breaking expedition with his wooden sailing ship Fram in 1893-1896, the MOSAiC expedition will bring a modern research icebreaker close to the north pole for the first time in polar winter. The data gathered will be used by scientists around the globe to take climate and ecosystem research to a completely new level. Led by atmospheric scientist Markus Rex, and co-led by Klaus Dethloff and Matthew Shupe, MOSAiC is spearheaded by Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI).

May 21, 2019

Stories

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February 23, 2021

MOSAiC: A Sustained Echo of Data

With an epic Arctic Ocean expedition at an end, researchers wrangle with rich ARM measurements

February 15, 2021

Experienced planner with talent for improvisation

As logistics coordinator of the MOSAiC expedition, Verena Mohaupt ensured smooth and safe operations on board the "Polarstern".

February 5, 2021

“Das arktische Eis ist ein einzigartiges Ökosystem”

Interview with expedition leader Markus Rex (German)

February 2, 2021

Print and PDF: DriftStories from the Central Arctic!

Order the DriftStories booklet free of charge or download the pdf

January 23, 2021

In pictures: Following the mission to discover how the climate crisis is changing the Arctic

"A journey with the MOSAiC Mission to the North Pole and back again."

Read the MOSAiC participants' reports on the expedition
See Polarstern blog
Read more about MOSAiC in international media
See selected articles

Expedition partners