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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 11, issue 10
Clim. Past, 11, 1467–1490, 2015
https://doi.org/10.5194/cp-11-1467-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Clim. Past, 11, 1467–1490, 2015
https://doi.org/10.5194/cp-11-1467-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 26 Oct 2015

Research article | 26 Oct 2015

How might the North American ice sheet influence the northwestern Eurasian climate?

P. Beghin et al.

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Interdependence of the growth of the Northern Hemisphere ice sheets during the last glaciation: the role of atmospheric circulation
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Cited articles

Abe-Ouchi, A., Saito, F., Kageyama, M., Braconnot, P., Harrison, S. P., Lambeck, K., Otto-Bliesner, B. L., Peltier, W. R., Tarasov, L., Peterschmitt, J.-Y., and Takahashi, K.: Ice-sheet configuration in the CMIP5/PMIP3 Last Glacial Maximum experiments, Geosci. Model Dev. Discuss., 8, 4293–4336, https://doi.org/10.5194/gmdd-8-4293-2015, 2015.
Andersen, B. G. and Mangerud, J.: The last interglacial-glacial cycle in Fennoscandia, Quatern. Int., 3, 21–29, 1989.
Beghin, P., Charbit, S., Dumas, C., Kageyama, M., Roche, D. M., and Ritz, C.: Interdependence of the growth of the Northern Hemisphere ice sheets during the last glaciation: the role of atmospheric circulation, Clim. Past, 10, 345–358, https://doi.org/10.5194/cp-10-345-2014, 2014.
Beghin, P., Charbit, S., Kageyama, M., Combourieu-Nebout, N., Hatte, C., Dumas, C., and Peterschmitt, J.-Y.: What drives LGM precipitation over the Western Mediterranean? A study focused on the Iberian peninsula and northern Moroco, Clim. Dynam., https://doi.org/10.1007/s00382-015-2720-0, in press, 2015.
Berger, A.: Long-term variations of daily insolation and quaternary climatic changes, J. Atmos. Sci., 35, 2362–2367, 1978.
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The present study investigates the potential impact of the North American ice sheet on the surface mass balance of the Eurasian ice sheet through changes in the past glacial atmospheric circulation. Using an atmospheric circulation model and an ice-sheet model, we show that the albedo of the American ice sheet favors the growth of the Eurasian ice sheet, whereas the topography of the American ice sheet leads to more ablation over North Eurasia, and therefore to a smaller Eurasian ice sheet.
The present study investigates the potential impact of the North American ice sheet on the...
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