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Cenozoic continental climatic evolution of Central Europe
Volker Mosbrugger1, Torsten Utescher, David L Dilcher
1Institut für Geowissenschaften, Sigwartstrasse 10, 72076 Tübingen, Germany. utescher@geo.uni-bonn.de
Summary
Central Europe experienced significant cooling over the last 45 million years, with winters becoming colder and more seasonal. This continental climate evolution aligns with global trends, but CO2 changes were not the primary driver.
Area of Science:
- Paleoclimatology
- Climate Science
- Geology
Background:
- Reconstructing past continental climates is crucial for understanding long-term climate dynamics.
- The European Cenozoic climate record offers a valuable terrestrial perspective on global climate shifts.
Purpose of the Study:
- To quantitatively reconstruct the continental climate evolution of Central Europe over the past 45 million years.
- To compare the Central European climate record with global marine-based climate proxies.
- To investigate the drivers of Cenozoic climate change, particularly the role of atmospheric CO2.
Main Methods:
- Quantitative reconstruction of mean annual temperature, precipitation, and seasonal temperatures.
- Correlation analysis with global marine oxygen isotope records.
Main Results:
- Continental cooling in Central Europe over the last 45 million years, most pronounced in winter temperatures.
- Increased seasonality in Central Europe, with stable mean annual precipitation.
- Strong correlation between the European Cenozoic continental climate record and global marine oxygen isotope records.
Conclusions:
- Cenozoic cooling in Central Europe was primarily driven by factors other than atmospheric CO2 concentrations.
- Latent heat transport played a significant role in maintaining stable precipitation levels.
- The study highlights the interconnectedness of regional and global climate evolution.