Abstract
Pore pressure fluctuations within slopes are widely considered as one of the most common landslide triggers. Ten automatic piezometers were installed within two quasi-stable slopes in south-western Estonia in order to record fluctuating pore pressures during a 2-year period. Pore pressure values and meteorological and hydrological data were studied by non-parametric correlation and cluster analyses in order to quantify the influence of external parameters. Data from 51 groundwater monitoring wells, covering the period from 1960 to 2009, were analysed in order to evaluate long-term changes in the underlying artesian aquifer. The development, refilling and movement of the groundwater depression were recorded. The pore pressure field was modelled with the finite element model and used as an input for slope stability analyses. Significant changes in slope stability were revealed. The influence of the ongoing climate change on slope stability is discussed.
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Davis JC (2002) Statistics and data analysis in geology, 3rd edn. Wiley, New Jersy, p 656. ISBN 978-0-471-17275-8
Graham LP, Chen D, Christensen OB, Kjellström E, Krysanova V, Meier HEM, Radziejewski M, Räisänen J, Rockel B, Ruosteenoja K (2008) Projections of future anthropogenic climate change. In: BACC Author Team (ed) Assessment of climate change for the Baltic Sea Basin, Regional climate studies. Springer, Berlin, pp 133–219
Harr RD (1981) Some characteristics and consequences of snowmelt during rainfall in western Oregon. J Hydrol 53:277–304
Iverson RM, Reid ME, LaHusen RG (1997) Debris-flow mobilization from landslides. Annu Rev Earth Planet Sci 25:85–138
Jaagus J (1999) Uusi andmeid Eesti kliimast. Publicationes Instituti Geographici Universitatis Tartuensis 85:28–38 (In Estonian)
Jaagus J (2003) Uusi andmeid Eesti kliimast. Publicationes Instituti Geographici Universitatis Tartuensis 93:78–101 (In Estonian)
Kenney TC, Lau KC (1984) Temporal changes of groundwater pressure in a natural slope of nonfissured clay. Can Geotech J 20:138–146
Kohv M, Talviste P, Hang T, Kalm V, Rosentau A (2009) Slope stability and landslides in proglacial varved clays of western Estonia. Geomorphology 106:315–323
Kohv M, Talviste P, Hang T, Kalm V (2010) Slope failure in glaciolacustrine clay: Sauga landslide, Western Estonia. Geomorphology 124(3–4):229–237
Miidel A, Raukas A (2005) Slope processes at the North Estonian Klint. Proc Estonian Acad Sci Geol 54(4):209–224
Persson H (2008) Estimation of pore pressure levels in slope stability calculations: analyses and modelling of groundwater level fluctuations in confined aquifers along the Swedish west coast. Licentiate thesis, Chalmers University of Technology, Göteburg
Picarelli L, Urciuoli G, Russo C (2004) Effect of groundwater regime on the behaviour of clayey slopes. Can Geotech J 41:467–484
Simoni A, Berti M, Generali M, Elmi C, Ghirotti M (2004) Preliminary result from pore pressure monitoring on an unstable clay slope. Eng Geol 73:117–128
Spencer E (1967) A method for analysis of the stability of embankments assuming parallel interslice forces. Géotechnique 17(1):11–26
Van Asch TWJ, Hendriks MR, Hessel R, Rappange FE (1996) Hydrological triggering conditions of landslides in varved clays in the French Alps. Eng Geol 42:239–251
Van Asch TWJ, Malet J-P, Beek LPH, Amitrano D (2007) Techniques, issues and advances in numerical modelling of landslide hazard. Bulletin de la Societe Geologique de France 178(2):65–88
Acknowledgments
The study was funded by Estonian Science Foundation Grant 6992, Estonian State Target Funding Project SF0180048s08, and by Estonian Environmental Investment Centre.
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Kohv, M., Hang, T. (2013). Pore Pressure Fluctuations Within Quasi-Stable Slopes in South-Western Estonia and Their Influence on Slope Stability. In: Margottini, C., Canuti, P., Sassa, K. (eds) Landslide Science and Practice. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31337-0_10
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DOI: https://doi.org/10.1007/978-3-642-31337-0_10
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