Abstract
Slope–channel coupling in geomorphologically active regions represents a topic with numerous implications, from both fundamental and applied perspectives. Landsliding and erosion combine under the influence of the morphostructural and lithological, seismic, climatic, and anthropic factors, and their interaction may materialize in landslide dams, forms which are conditioning the future slope and river morphology and morphodynamics. The proper understanding of the predisposition and preparing and triggering factors in case of landslide dams could provide significant information in the risk analysis, assessment, and management. The occurrence in July 2013 of a landslide dam in the Buzău Mountains (along the Bâsca Mare river), caused by the partial reactivation of a dormant deep-seated landslide, allowed the outlining of the entire agents–forms–processes framework, offering in the meantime the background data for a future multi-hazard assessment. Since the Vrancea seismic region (area that comprises the Curvature Carpathians of Romania) represents one of Europe’s most slope/channel/seismically active regions, the case–study offers important insight information that allows in the meantime the analysis of multi-hazard at a regional scale.
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Acknowledgments
The paper was conducted under the Romanian Academy research project “National, regional and local assessment of natural and technological hazards” (Coord. Dan Bălteanu) and represents also a part of the CHANGES project (Changing hydro-meteorological risks—as Analyzed by a New Generation of European Scientists), a Marie Curie Initial Training Network, funded by the European Community’s 7th Framework Programme FP7/2007–2013 under Grant Agreement No. 263953. The authors are grateful to the colleagues within the Buzău County Prefecture (Dorina Năstase, Vasile Popovici) for their informational support and also to the specialists from the Buzău County Inspectorate for Emergency Situations (Col. Dănuţ Nicolae, Col. Dan Manciulea, Col. Adrian Mondea) for their field support and constructive advices.
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Micu, M., Jurchescu, M., Micu, D. et al. A morphogenetic insight into a multi-hazard analysis: Bâsca Mare landslide dam. Landslides 11, 1131–1139 (2014). https://doi.org/10.1007/s10346-014-0519-4
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DOI: https://doi.org/10.1007/s10346-014-0519-4