Quantifying climate feedbacks in polar regions

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 s...

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Bibliographic Details
Published in:Nature Communications
Main Authors: Goosse, Hugues, Kay, Jennifer E., Armour, Kyle C., Bodas-Salcedo, Alejandro, Chepfer, Helene, Docquier, David, Jonko, Alexandra, Kushner, Paul J., Lecomte, Olivier, Massonnet, Francois, Park, Hyo-Seok, Pithan, Felix, Svensson, Gunilla, Vancoppenolle, Martin
Language:unknown
Published: 2023
Subjects:
54 ENVIRONMENTAL SCIENCES
Sea ice
Online Access:http://www.osti.gov/servlets/purl/1438357
https://www.osti.gov/biblio/1438357
https://doi.org/10.1038/s41467-018-04173-0
Description
Summary: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, thus offering the opportunity for more systematic feedback analyses and a better understanding of polar climate changes.

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