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- Title
The hysteretic response of a shallow pyroclastic deposit.
- Authors
Comegna, Luca; Damiano, Emilia; Greco, Roberto; Olivares, Lucio; Picarelli, Luciano
- Abstract
In the last decades, in Campania (southern Italy), steep slopes mantled by loose air-fall pyroclastic soils have been the seat of shallow, fast, rainfall-induced landslides. The occurrence of such events has been the result of the combination of critical rainstorms and of unfavourable initial conditions determined by antecedent infiltration, evaporation, and drainage processes. In order to understand the nature of the phenomena at hand and to clarify the role of all influencing factors, an automatic monitoring station has been installed in an area already subject to a recent killer flowslide (December, 1999). The paper reports data collected in 2011 about volumetric water content and suction (used to investigate the soil water retention features) and rainfall depth and temperature (providing the boundary conditions). In particular, the installation at the same depths of tensiometers and time domain reflectometry (TDR) sensors allowed us to recognise the hysteretic nature of the wetting and drying soil response to weather forcing and its influence on the slope stability conditions. The data reported in the paper are freely available at 10.5281/zenodo.4281166 (Comegna et al., 2020).
- Subjects
CAMPANIA (Italy); SLOPE stability; SOIL moisture; SOIL drying; SOIL weathering; SOIL wetting; SOIL infiltration
- Publication
Earth System Science Data, 2021, Vol 13, Issue 6, p2541
- ISSN
1866-3508
- Publication type
Article
- DOI
10.5194/essd-13-2541-2021