Sea Ice Modelling

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Successfully simulating sea-ice breakups with neXtSIM

A new study led by Jonathan Rheinlænder at the Nansen Center investigates if the sea-ice model neXtSIM can recreate an unusual breakup event in the Arctic to find out what caused it.

 

Clement Fougerouse

Navn
Etternavn: 
Fougerouse
Fornavn: 
Clement
Research Group
Research Groups: 
Sea Ice Modelling
Contact Information
Contact person at the Nansen Center: 

Erica Rosenblum

Navn
Etternavn: 
Rosenblum
Fornavn: 
Erica
Research Group
Research Groups: 
Sea Ice Modelling
Contact Information

Cleaning up satellite images to make marine activities in the Arctic safer

People have been using the Arctic Ocean for over a century, mainly for shipping goods between the Atlantic and the Pacific Oceans. The northern passages come with dangers though – sea ice poses a significant threat to shipping and other marine activities. In the past decades, technological advances have made it safer to cross these waters, but the ocean and sea-ice conditions in the Arctic remain challenging. A recent study led by Anton Korosov at the Nansen Center is contributing to increase safe navigation in the Arctic.

ARIA: ARIA - Atmospheric Sea ice interactions in the new Arctic

Arctic cyclones can break up and reshape the Arctic sea-ice cover and can be expected to do so more readily as the ice grows thinner due to anthropogenic climate change. Processes driven by Arctic cyclones can enhance the rate of melting of the ice and increase its export out of the Arctic. We hypothesise that surface coupling (interactions between the ocean, sea ice and atmosphere) play a crucial role in determining the life cycle of Arctic cyclones, and the effect they have on the sea ice.

Arctic cyclones can break up and reshape the Arctic sea-ice cover and can be expected to do so more readily as the ice grows thinner due to anthropogenic climate change. Processes driven by Arctic cyclones can enhance the rate of melting of the ice and increase its export out of the Arctic. The record minima in sea ice extent in 2012, which was partially attributed to the presence of an Arctic cyclone. However, despite their importance, Arctic cyclones have remained relatively un-examined.

Project Details
Coordinating Institute: 
Nansen Environmental and Remote Sensing Center
Project Status: 
Ongoing

New role for Einar Ólason: Co-leader of Arctic ECRA

Einar Ólason takes over the co-lead of the collaborative programme "Arctic", one of four core activities of the European Climate Research Alliance (ECRA). He supersedes Lars Henrik Smedsrud (GFI/UiB, UNIS, Bjerknes Centre), who held that position since 2014.

 

What is the ECRA?

Timothy Spain

Research
Area of Expertise: 
Computer science
sea ice
Employment
Research Group: 
Sea Ice Modelling
Job Position: 
Scientific Software Developer
E-mail: 

New project at NERSC: The Scale-Aware Sea Ice Project (SASIP)

Last month a new project has started, with several of our NERSC researchers involved. The "Scale-Aware Sea Ice Project" (SASIP) will run for six years, with international partners in France, the US, the UK, Italy, and Mali.

 

Sea ice and waves in the Arctic: Modelling important interactions

Our Sea Ice Modelling group members Guillaume Boutin, Timothy Williams, Einar Ólason, and Pierre Rampal (NERSC & CNRS) recently published an article together with Camille Lique (IFREMER, Brest, France). They coupled the sea ice model neXtSIM to a wave model and present exciting results!

Modelling sea ice in the Arctic: The Nansen Center’s contribution to the Nansen Legacy project

Following the annual meeting for the Nansen Legacy project, which the Nansen Environmental and Remote Sensing Center is a partner of, we want to present our research contributing to the project. NERSC provides a sea ice model to the project, which has important implications.

 

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