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Swiss Journal of Geosciences
Fig. 5 | Swiss Journal of Geosciences

Fig. 5

From: Spatio-temporal variability in debris-flow activity: a tree-ring study at Geisstriftbach (Swiss Alps) extending back to AD 1736

Fig. 5

Examples of growth disturbances inferred by debris-flow activity: a after tilting in AD 1918, this P. abies tree initiated the formation of compression wood cells on the tilted side of its trunk (i.e. core d) so as to regain a vertical position. Most of the tree’s energy is invested into the formation of compression wood, this is why tree rings start to become smaller on the upslope side of the stem (core c). b Ring-width series of a L. decidua tree following stem burial in AD 1798

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