Achim Brauer (GFZ - Potsdam)

The influence of the Sun on Earth’s climate: what can we learn from lake mud?
When Dec 06, 2013 from 10:30 AM to 12:00 PM
  • Colloquium
Where SH, Lecture hall
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This presentation discusses effects of solar activity variations on climate from a geological point of view. After a brief overview including reports of solar signals in geological archives, an introduction to seasonal lake sediment formation and modern analytical methods for high resolution climate reconstruction will be given. On the basis of two examples from the mid-latitudes, possible amplification mechanisms of solar-climate links will be discussed. The first example is from Lake Meerfelder Maar, a volcanic lake in the Eifel (Western Germany), where the effects of the Homeric Grand Solar Minimum ca 2700 years ago can be clearly demonstrated, and in the second example, a 5500 flood record from Lake Ammersee (Southern Germany) is shown and the relation of these data to long-term reconstructions of sun activity will be discussed.

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