Mutual interactions between slope-scale gravitational processes and morpho-structural evolution of central Apennines (Italy): review of some selected case histories

Carlo Esposito, Emiliano Di Luzio, Gabriele Scarascia Mugnozza, Gianluca Bianchi Fasani

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Abstract

This short note focuses on the review of some selected large slope instabilities, such as massive rock slope failures, that occurred in slopes well representative of widespread morpho-structural settings in the central Apennines (Italy). The analyses of such case histories highlight (a) the role of inherited geological and morpho-structural features on failure mechanisms and (b) the interplay between such processes and the Quaternary morpho-structural evolution of the mountain chain. Some of the here described rock slope failures are framed within wider slope sections showing evidence of slope-scale gravitational deformation processes. Some cases demonstrate that the activation of the latter is strongly controlled by stress variations induced on the slopes by the combination of erosional processes and tectonic offset, i.e. topographic stress increase that typically accompanied the Quaternary morpho-structural evolution of the orogen. Furthermore, some case studies confirm also for central Apennine that the occurrence of large-sized rock slope failures actively contributed to morpho-genesis, as the effect of the deposition of the related debris on the valley bottom can result in long-term impacts on environmental conditions, such as topographic, hydrologic and hydrogeological variations.
Original languageEnglish
Pages (from-to)151 - 165
Number of pages15
JournalATTI Della Accademia Nazionale Dei Lincei Rendiconti Lincei Scienze Fisiche E Naturali
Volume25
Issue number2
DOIs
Publication statusPublished - 2014
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)
  • Earth and Planetary Sciences(all)

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