The hydrogeological characteristics of rototranslationalslides in flysch are complex, due to the inherentanisotropy and heterogeneity of rock masses and related deposits.The paper deals with the hydrogeological characterizationof a reactivated roto-translational slide affecting Cretaceousflysch rocks, located in the northern Apennines ofItaly. Continuous monitoring of groundwater levels, in-situpermeability and pumping tests, hydrochemical and physicalanalyses and Uranine tracers were the adopted prospectingmethods.In this research hydrological monitoring and investigationare summarized in order to define a hydrogeological conceptualmodel of the landslide source area. Results showed thattwo overlaying hydrogeological units exist at the slope scale:the first is unconfined, but highly compartmentalized, andhosted in the fractured and dismembered rock slide body.The second is confined and lays in the undisturbed flyschbelow the sliding surface. The groundwater level in theconfined hydrogeological unit is twenty meters higher thanthe groundwater level in the uppermost one. Moreover, thegroundwater chemistry characterization revealed a rising ofdeep fluids in the landslide area.
Groundwater processes in a complex landslide, northern Apennines, Italy / Ronchetti, Francesco; L., Borgatti; Cervi, Federico; Gorgoni, Carlo; L., Piccinini; V., Vincenzi; Corsini, Alessandro. - In: NATURAL HAZARDS AND EARTH SYSTEM SCIENCES. - ISSN 1561-8633. - STAMPA. - 9(2009), pp. 895-904.
Data di pubblicazione: | 2009 | |
Titolo: | Groundwater processes in a complex landslide, northern Apennines, Italy | |
Autore/i: | Ronchetti, Francesco; L., Borgatti; Cervi, Federico; Gorgoni, Carlo; L., Piccinini; V., Vincenzi; Corsini, Alessandro | |
Autore/i UNIMORE: | ||
Rivista: | ||
Volume: | 9 | |
Pagina iniziale: | 895 | |
Pagina finale: | 904 | |
Codice identificativo ISI: | WOS:000267543300022 | |
Codice identificativo Scopus: | 2-s2.0-77949523577 | |
Citazione: | Groundwater processes in a complex landslide, northern Apennines, Italy / Ronchetti, Francesco; L., Borgatti; Cervi, Federico; Gorgoni, Carlo; L., Piccinini; V., Vincenzi; Corsini, Alessandro. - In: NATURAL HAZARDS AND EARTH SYSTEM SCIENCES. - ISSN 1561-8633. - STAMPA. - 9(2009), pp. 895-904. | |
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