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| Titel |
Reconstructing glacier-based climates of LGM Europe and Russia – Part 1: Numerical modelling and validation methods |
| VerfasserIn |
R. Allen, M. J. Siegert, A. J. Payne |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1814-9324
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| Digitales Dokument |
URL |
| Erschienen |
In: Climate of the Past ; 4, no. 4 ; Nr. 4, no. 4 (2008-11-13), S.235-248 |
| Datensatznummer |
250001866
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| Publikation (Nr.) |
 copernicus.org/cp-4-235-2008.pdf |
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| Zusammenfassung |
| The mountain environments of mid-latitude Europe and Arctic Russia contain
widespread evidence of Late-Quaternary glaciers that have been attributed to
the Last Glacial Maximum (LGM). This glacial-geological record has yet to be
used to quantitatively reconstruct the LGM climate of these regions. Here we
describe a simple glacier-climate model that can be used to derive regional
temperature and precipitation information from a known glacier distribution.
The model was tested against the present day distribution of glaciers in
Europe. The model is capable of adequately predicting the spatial
distribution, snowline and equilibrium line altitude climate of glaciers in
the Alps, Scandinavia, Caucasus and Pyrenees Mountains. This verification
demonstrated that the model can be used to investigate former climates such
as the LGM. Reconstructions of LGM climates from proxy evidence are an
important method of assessing retrospective general circulation model (GCM)
simulations. LGM palaeoclimate reconstructions from glacial-geological
evidence would be of particular benefit to investigations in Europe and
Russia, where to date only fossil pollen data have been used to assess
continental-scale GCM simulations. |
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