Climate Geology

M. Schnellmann/F. Anselmetti/A. Gilli

Seismic profile: The lines reflect the sedimentary rock layers of the lake floor underneath Lake Lucerne. The chaotic area in the centre reflects a landslide, which was triggered by an earthquake. The sediments moved towards you, the viewer, before they were deposited on the former lake floor.

Enlarged view: Extent of the subaquatic slide on a map — Schnellmann et al.

Figure 1 sketches the extent of the subaquatic slide on a map.

Schnellmann et al.

Enlarged view: Black lines denote faults, coloured lines different seismic horizons — Schnellmann et al.

Figures 2a and 2b show the interpretation of the seismic profile. The data are derived from sound waves reflected at structures in the ground. Black lines denote faults, coloured lines different seismic horizons (stratigraphy; figure 2b).

We study climate changes through Earth's history and the correlations between carbon cycle, climate and the evolution of live. Sedimentary sequences thereby serve as an ideal archive for the past changes of the climate.

Climate Geology at ETH Zurich

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