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.

Contact information

Phone: +46-8-16 43 53 (Reception)
Fax:     +46-8-15 71 85

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

Questions Regarding Research
Johan Nilsson

Director of Doctoral Studies
Abdel Hannachi

Visitors Program