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Comparison of instrumental and GDGT-based estimates of sea surface and air temperatures from the Skagerrak |
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| Authors: | Gemma Rueda Antoni Rosell-Melé Marina Escala Richard Gyllencreutz Jan Backman |
| Institution: | 1. ICTA, Universitat Autònoma de Barcelona, Bellaterra, Catalonia, Spain;2. ICREA, Passeig Lluís Companys 23, Barcelona, Catalonia, Spain;3. Department of Earth Science, University of Bergen, Bergen, Norway;4. Department of Geology and Geochemistry, Stockholm University, Stockholm, Sweden |
| Abstract: | Sea surface temperatures (SSTs) and annual mean air temperatures (MATs) are estimated for the last 200 years from glycerol dialkyl glycerol tetraethers (GDGTs) proxies in a marine sediment core from the Skagerrak, off southern Norway. The reconstructed values compare well with annual SSTs and summer air temperatures obtained from composite regional instrumental records. The results provide further confidence in the application of proxies based on GDGTs to estimate past temperatures. |
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