Arctic Studies

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Photo: Michael Tjernström

ACAS project

Arctic Climate Across Scales (ACAS): Are we already committed to an ice-free summer Arctic?


ACAS - Arctic expedition 2018

How does the physics of processes in the atmosphere form and transform the Arctic Climate? Observations is the key to improved understanding.

Isbrytaren Oden i Arktis 2008. Foto: Thorsten Mauritsen

MOCCHA - Arctic expedition 2018

What are the consequences of the dramatic loss of summer sea-ice for Arctic climate? Will the ice continue to disappear at an ever-increasing rate as the exposed ocean surface absorbs increasing amounts of solar radiation? Or might conditions become progressively more favourable for biological activity and associated cloud-formation, decreasing the amount of solar-radiation received at the surface? How might the Arctic climate change on interannual and inter-decadal time scales and quite how sensitive is it to anthropogenic climate change? These are key questions that the Microbiology-Ocean-Cloud-Coupling in the High Arctic (MOCCHA 2018 campaign) project will strive to answer.

Polar expedition SWERUS-C3

SWERUS-C3 is a multi-disciplinary program with base funding supported from by the Swedish Knut and Alice Wallenberg Foundation (KAW) aiming to investigate the linkages between Climate, Cryosphere (here: sea ice and coastal permafrost) and Carbon release from the sediment, with addition of greenhouse gases (GHG) to the atmosphere. SWERUS-C3 includes principal investigators from Stockholm University, University of Gothenburg, Russian Academy of Sciences (RAS), the International Arctic Research Center (IARC) at University of Alaska, and Rice University.

Contact information

Phone: +46(0)8-16 20 00 (switchboard)

Visiting Address
Arrhenius Laboratory, 6th Floor
Svante Arrhenius Väg 16C
Frescati Campus

Director of Doctoral Studies
Michael Tjernström


Visitors Program