The Karst Hydrostructure of the Mount Canin (Julian Alps, Italy and Slovenia)

Zini, Luca; Casagrande, Giacomo; Calligaris, Chiara; Cucchi, Franco; Manca, Pp; Treu, Francesco; Zavagno, Enrico; Biolchi, Sara

doi:10.1007/978-3-642-17435-3_24

Cited by 7 publications

(5 citation statements)

References 3 publications

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“…The long lasting exposure of the plateau shaped it into a mature karst. Even if in the Italian Friuli Venezia Giulia Region and in Slovenia, the Classical Karst Region is one of the several renewed karst areas [48][49][50][51][52], it is the most famous karst area in the world where the word karst was used for the first time [53,54]. It is known worldwide for the high density and variety of caves and surface karst morphotypes [49]: in the limited area of the Italian Karst (about 200 km 2 ) there are more than 3500 known caves (of which more than 150 develop for more than hundred meters; a dozen develops for a thousand meters).…”

Section: The Study Area: Geological Structural Geomorphological Andmentioning

confidence: 99%

Groundwater Characterization by Means of Conservative (δ18O and δ2H) and Non-Conservative (87Sr/86Sr) Isotopic Values: The Classical Karst Region Aquifer Case (Italy–Slovenia)

et al. 2018

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The study of the different hydrogeological compartments is a prerequisite for understanding and monitoring different fluxes, thereby evaluating the environmental changes in an ecosystem where anthropogenic disturbances are present in order to preserve the most vulnerable groundwaters from contamination and degradation. In many karst domains in the Mediterranean, areas groundwaters and surface waters are a single system, as a result of the features that facilitate the ingression of waters from surface to subsurface. This is also the case for the Classical Karst hydrostructure, which is a carbonate plateau that rises above the northern Adriatic Sea, shared between Italy and Slovenia. The main suppliers to the aquifer are the effective precipitations and the waters from three different rivers: Reka/Timavo, Soča/Isonzo and Vipava/Vipacco. Past and ongoing hydrogeological studies on the area have focused on the connections within the Classical Karst Region aquifer system through the analysis of water caves and springs hydrographs and chemographs. In this paper, the authors present new combined data from major ions, oxygen, hydrogen and strontium stable and radiogenic isotopes which have allowed a more complementary knowledge of the groundwater circulation, provenance and water-rock interactions. All the actions occurred in the framework of the European project HYDROKARST.

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Section: The Study Area: Geological Structural Geomorphological Andmentioning

confidence: 99%

Groundwater Characterization by Means of Conservative (δ18O and δ2H) and Non-Conservative (87Sr/86Sr) Isotopic Values: The Classical Karst Region Aquifer Case (Italy–Slovenia)

et al. 2018

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“…Since most of these evaporite outcrops are very small, more or less detailed studies on gypsum karst have been carried out in only a few regions as Piedmont, Friuli Venezia Giulia, Emilia-Romagna, Calabria, and Sicily. In detail, karst areas in FVG are very common [14,[30][31][32][33][34][35], but only 1% of the karstifiable lithologies are represented by evaporites. These crop out along the Alta Val Tagliamento valley and along the northern alignment, encompassing Pesarina, Pontaiba and Lumiei valleys.…”

Section: Introductionmentioning

confidence: 99%

Non-Invasive Methodological Approach to Detect and Characterize High-Risk Sinkholes in Urban Cover Evaporite Karst: Integrated Reflection Seismics, PS-InSAR, Leveling, 3D-GPR and Ancillary Data. A NE Italian Case Study

et al. 2020

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Sinkholes linked to cover evaporite karst in urban environments still represent a challenge in terms of their clear identification and mapping considering the rehash and man-made structures. In the present research, we have proposed and tested a methodology to identify the subsiding features through an integrated and non-invasive multi-scale approach combining seismic reflection, PS-InSAR (PSI), leveling and full 3D Ground Penetrating Radar (GPR), and thus overpassing the limits of each method. The analysis was conducted in a small village in the Alta Val Tagliamento Valley (Friuli Venezia Giulia region, NE Italy). Here, sinkholes have been reported for a long time as well as the hazards linked to their presence. Within past years, several houses have been demolished and at present many of them are damaged. The PSI investigation allowed the identification of an area with higher vertical velocities; seismic reflection imagined the covered karst bedrock, identifying three depocenters; leveling data presented a downward displacement comparable with PSI results; 3D GPR, applied here for the first time in the study and characterization of sinkholes, defined shallow sinking features. Combining all the obtained results with accurate field observations, we identified and mapped the highest vulnerable zone.

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“…Approximately 1900 km 2 of the above-mentioned territories are characterised by outcropping carbonate rocks Calligaris, Boschin, Cucchi, & Zini, 2016;Cucchi & Zini, 2009;Zini et al, 2014;Zini, Calligaris, & Cucchi, 2015b), in facies that vary in lithology from limestone to dolostone allowing manifold manifestations of karst landforms, often notable also thanks to the very high rainfall rate typical of the Alpine and pre-Alpine areas. This means that karst processes affect almost 40% of the regional territory.…”

Section: Karst Areas Of Fvgmentioning

confidence: 99%

Evaporite sinkholes of the Friuli Venezia Giulia region (NE Italy)

2017

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Sinkholes are common in the Friuli Venezia Giulia (FVG) Region (NE Italy), where the presence of karstifiable rocks favours their occurrence accelerated by intense rainfalls. Their existence has been reported since the end of the 1800s along the Tagliamento Valley, in correspondence with the mantled evaporites (gypsum). Furthermore, tens of evaporite sinkholes have been documented on the reliefs adjacent to the village of Sauris and along the narrow W-Eoriented valleys, where regional faults have played a major role in their spatial distribution. This paper reports for the first time an inventory of the sinkholes affecting the evaporites of the FVG Region. These phenomena were mapped and categorised using a genetic classification. The main output is an A0-format map, which incorporates a 1:50,000 scale Sinkhole Inventory Map (SIM). The SIM encompasses 552 sinkholes. The cover suffosion sinkholes are the most abundant, followed by bedrock collapses. There is a clear prevalence of the circular shape (65%) over other shapes. Diameters are 1-140 m, with depths ranging 0.1-40 m with a mean value of 4.5 m. The SIM can motivate regional planning authorities to perform further investigations aimed to understand the geomorphological evolutions of these phenomena. ARTICLE HISTORY

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The Karst Hydrostructure of the Mount Canin (Julian Alps, Italy and Slovenia)

Cited by 7 publications

References 3 publications

Groundwater Characterization by Means of Conservative (δ18O and δ2H) and Non-Conservative (87Sr/86Sr) Isotopic Values: The Classical Karst Region Aquifer Case (Italy–Slovenia)

Groundwater Characterization by Means of Conservative (δ18O and δ2H) and Non-Conservative (87Sr/86Sr) Isotopic Values: The Classical Karst Region Aquifer Case (Italy–Slovenia)

Non-Invasive Methodological Approach to Detect and Characterize High-Risk Sinkholes in Urban Cover Evaporite Karst: Integrated Reflection Seismics, PS-InSAR, Leveling, 3D-GPR and Ancillary Data. A NE Italian Case Study

Evaporite sinkholes of the Friuli Venezia Giulia region (NE Italy)

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