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

Leloup, Gaëlle; Paillard, Didier

doi:https://doi.org/10.5194/cp-18-547-2022

Articles | Volume 18, issue 3

https://doi.org/10.5194/cp-18-547-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

A century of Milankovic’s theory of climate changes: achievements...

https://doi.org/10.5194/cp-18-547-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 3

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

Supplement

https://doi.org/10.5194/cp-18-547-2022-supplement

Data sets

Data and code for results and figures in Climate of the Past "Influence of the choice of insolation forcing on the results of a conceptual glacial cycle model" Gaelle Leloup https://doi.org/10.5281/zenodo.6045532

Model code and software

Data and code for results and figures in Climate of the Past "Influence of the choice of insolation forcing on the results of a conceptual glacial cycle model" Gaelle Leloup https://doi.org/10.5281/zenodo.6045532

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.