Towards a high-resolution MAR-NEMO coupling to explore atmosphere-ocean-ice interactions in the Arctic

Arctic changes are at the center of climate concerns. Notably, recent Arctic warming drives rapid sea ice decline making the Arctic increasingly vulnerable. To better anticipate the consequences of this strong Arctic warming, it is crucial to better understand the driving processes responsible for l...

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Bibliographic Details
Main Authors: Lambin, Clara, Maure, Damien, Kittel, Christoph, Fettweis, Xavier
Format: Conference Object
Language:English
Published: 2023
Subjects:
Arctic
climate
modeling
coupling
Physical
chemical
mathematical & earth Sciences
Earth sciences & physical geography
Physique
chimie
mathématiques & sciences de la terre
Sciences de la terre & géographie physique
Sea ice
Online Access:https://orbi.uliege.be/handle/2268/305279
https://orbi.uliege.be/bitstream/2268/305279/1/poster-egu2023.pdf
Description
Summary:Arctic changes are at the center of climate concerns. Notably, recent Arctic warming drives rapid sea ice decline making the Arctic increasingly vulnerable. To better anticipate the consequences of this strong Arctic warming, it is crucial to better understand the driving processes responsible for large uncertainties in future climate projections. Interactions at the atmosphere-ocean-sea ice interface require particular attention. In this context, the PolarRES project aims at developing the coupled system MAR (atmosphere) - NEMO (ocean-sea ice) over the Arctic region at high spatial resolution (25 km). Such coupling will enable the climate community to access precise data at large scale. Since this coupling has never been applied to the Arctic, a proper model evaluation is required. Here standalone model simulations are compared against a newly compiled dataset including land station and buoys data. We find high correlations between the modeled and observed data. Our evaluation marks an important step in in the ongoing development of coupled models.

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