Quantifying climate feedbacks in polar regions

Hugues Goosse (), Jennifer E. Kay, Kyle C. Armour, Alejandro Bodas-Salcedo, Helene Chepfer, David Docquier, Alexandra Jonko, Paul J. Kushner, Olivier Lecomte, François Massonnet, Hyo-Seok Park, Felix Pithan, Gunilla Svensson and Martin Vancoppenolle
Additional contact information
Hugues Goosse: Université catholique de Louvain
Jennifer E. Kay: University of Colorado
Kyle C. Armour: University of Washington
Alejandro Bodas-Salcedo: Met Office Hadley Centre
Helene Chepfer: Sorbonne Université, UPMC Paris 6, LMD-IPSL, CNRS
David Docquier: Université catholique de Louvain
Alexandra Jonko: Los Alamos National Laboratory
Paul J. Kushner: University of Toronto
Olivier Lecomte: Université catholique de Louvain
François Massonnet: Université catholique de Louvain
Hyo-Seok Park: Korea Institute of Geoscience and Mineral Resources
Felix Pithan: Helmholtz Centre for Polar and Marine Research
Gunilla Svensson: Stockholm University
Martin Vancoppenolle: Sorbonne Université, CNRS, IRD, MNHN, LOCEAN-IPSL

Nature Communications, 2018, vol. 9, issue 1, 1-13

Abstract: Abstract The concept of feedback is key in assessing whether a perturbation to a system is amplified or damped by mechanisms internal to the system. In polar regions, climate dynamics are controlled by both radiative and non-radiative interactions between the atmosphere, ocean, sea ice, ice sheets and land surfaces. Precisely quantifying polar feedbacks is required for a process-oriented evaluation of climate models, a clear understanding of the processes responsible for polar climate changes, and a reduction in uncertainty associated with model projections. This quantification can be performed using a simple and consistent approach that is valid for a wide range of feedbacks, offering the opportunity for more systematic feedback analyses and a better understanding of polar climate changes.

Date: 2018
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DOI: 10.1038/s41467-018-04173-0

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