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Introduction to the thematic volume: issues in landslide process monitoring and understanding

Abstract : All mountainous countries have been exposed to slope movements throughout their history, reaching often disastrous dimensions. A significant increase in damage effects had to be recognised within the last two decades. The reasons for this steady increase in damage are often relayed on a probable impact of climate change. But people contribute also to, and even may exacerbate, or modify the hazard. The increase of our living standards, the concentration of people, infrastructure and goods at economically privileged but probably hazardous places, additional settlements in disaster prone regions and the enormous increase in mobility on road and train have to be considered as well. The number of victims and the cost of the damage may be high, depending on the duration, spatial extension and magnitude of the processes, and on the vulnerability of the exposed environment. Even though considerable advances in the last decade have been gained in landslide process understanding (landslide databases and event catalogues, monitoring techniques, investigation tools), there are a series of gaps that should be filled in existing knowledge in order to apply this knowledge for long-term development of the mountain territories and safety of the citizens. This is mainly the consequence of the large kinematic variability of slope movements (slide, flow, fall, spreading), which are dynamic systems, complex in time and space and closely linked to both inherited and current preparatory and triggering controls.
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Jean-Philippe Malet, Christophe Delacourt, O. Maquaire, D. Amitrano. Introduction to the thematic volume: issues in landslide process monitoring and understanding. Bulletin de la Société Géologique de France, Société géologique de France, 2007, 178 (2), pp.63 à 64. ⟨10.2113/gssgfbull.178.2.63⟩. ⟨insu-00347208⟩



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