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Journal Articles Nature Communications Year : 2018

Quantifying climate feedbacks in polar regions

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.
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hal-01801558 , version 1 (28-05-2018)

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Hugues Goosse, Jennifer E Kay, Kyle C Armour, Alejandro Bodas-Salcedo, Hélène Chepfer, et al.. Quantifying climate feedbacks in polar regions. Nature Communications, 2018, 9, pp.1919. ⟨10.1038/s41467-018-04173-0⟩. ⟨hal-01801558⟩
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