Articles | Volume 18, issue 3
https://doi.org/10.5194/cp-18-547-2022
https://doi.org/10.5194/cp-18-547-2022
Research article
 | 
25 Mar 2022
Research article |  | 25 Mar 2022

Influence of the choice of insolation forcing on the results of a conceptual glacial cycle model

Gaëlle Leloup and Didier Paillard

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Latest update: 27 Mar 2024
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Short summary
Over the last 2.6 Myr, the Quaternary period has been marked by the alternation of extended and reduced Northern Hemisphere ice sheets, known as glacial-interglacial cycles. With a simple model, we are able to reproduce the main features of the ice volume evolution, like the switch of periodicity, from 41 kyr cycles to 100 kyr cycles, observed in the data after 1 Ma. The quality of the model-data agreement depending on the input insolation and period considered is discussed.