Journal cover Journal topic
Climate of the Past An interactive open-access journal of the European Geosciences Union
Clim. Past, 13, 833-853, 2017
https://doi.org/10.5194/cp-13-833-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
13 Jul 2017
Modelling firn thickness evolution during the last deglaciation: constraints on sensitivity to temperature and impurities
Camille Bréant et al.

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Short summary
All firn densification models applied to deglaciations show a large disagreement with δ15N measurements at sites in East Antarctica, predicting larger firn thickness during the Last Glacial Maximum, whereas δ15N suggests a reduced firn thickness compared to the Holocene. Here we present modifications, which significantly reduce the model–data mismatch for the gas trapping depth evolution over the last deglaciation at the coldest sites in East Antarctica, to the LGGE firn densification model.
All firn densification models applied to deglaciations show a large disagreement with δ15N...
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