Circolazione idrica sotterranea nelle torbiditi dell’Appennino Settentrionale (Italia): deflusso naturale e drenaggio dei tunnel ferroviari Alta Velocità

Gargini, Alessandro; Vincenzi, Valentina; Piccinini, Leonardo; Zuppi, Giovanni Maria; Canuti, Paolo

doi:10.1007/s10040-008-0352-8

Cited by 53 publications

(72 citation statements)

References 30 publications

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“…From these studies, a groundwater recharge coefficient lower than 20% was estimated for the hydrogeological complexes formed by arenaceous-pelitic and calcarenite-pelitic series, while a value of about 30% for arenaceous-conglomeratic ones (Celico et al, 1993). These results are confirmed by other studies carried out on similar hydrogeological complexes of northern Apennine (Gargini et al, 2006(Gargini et al, , 2008(Gargini et al, , 2014. Hydrogeological units formed by these aquifers show a mean specific groundwater yield ranging from 0.0010 to 0.006 m 3 s −1 km −2 ( Figure 5).…”

Section: Meso-cenozoic Terrigenous Hydrogeological Complexessupporting

confidence: 88%

Hydrogeology of continental southern Italy

et al. 2018

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This paper summarizes the results of a study focused on the hydrogeological characterization and recognition of groundwater resources in continental southern Italy, developed under the European INTERREG IIC Programme. The study reconstructed up-to-date scientific knowledge regarding aquifers, groundwater circulation schemes and groundwater resources exploitation in the administrative regions of southern Italy included in the Objective I (Molise, Campania, Basilicata, Puglia and Calabria). In this paper, the methodological approaches applied to synthesize and homogenize bibliographic data collected from the hydrogeological literature and to set a regional hydrogeological mapping are described. Results presented are three hydrogeological maps, 1:300,000 scale, showing hydrogeological units and groundwater flow schemes that are relevant in the regional hydrogeological context, and a brief description of principal types of aquifer and groundwater resources of continental southern Italy. ARTICLE HISTORY

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Section: Meso-cenozoic Terrigenous Hydrogeological Complexessupporting

confidence: 88%

Hydrogeology of continental southern Italy

et al. 2018

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“…Seepage into underground tunnels, cavities, and drifts gained increasing attention during the past few decades as a result of its potential impacts on the construction process (Chen & Tolon, 2012;Huang et al, 2011;Fernandez & Moon, 2010a;Li et al, 2009;Cesano et al 2000;Kitterod et al, 2000), water resources and environment (Vincenzi et al, 2009;Gleeson et al, 2009;Gargini et al, 2008;Scanlon, et al, 2006;Kim et al, 2005;Seyfried, et al, 2005;Rademacher et al, 2003;Scanlon et al, 2002;Shimojima et al, 1993), and the quality of nuclear waste repositories Bagtzoglou & Cesano, 2007;Trautz & Wang, 2002;Liu & Bodvarsson, 2001;Philip & Knight, 1989). Various processes have been identified that govern the spatial and temporal variability of net infiltration, recharge, and seepage into soil and rock excavations and cavities.…”

Section: Introductionmentioning

confidence: 99%

“…Of these observations, the underlying theme is that infiltration and subsequent seepage most commonly occur where a fracture network acting as a flow conduit is in connection with an overlying source of water, be it a groundwater reservoir in permeable soil, a horizon of permeable conductive soil, or a location of direct recharge (Shimojima et al, 1993;Olofsson, 1994;Rademacher et al, 2003;Seyfried et al, 2005;Scanlon et al, 2005;Scanlon et al, 2006;Gargini et al, 2008;Vincenzi et al, 2009;Gleeson et al, 2009;Moon & Jeong, 2011). Tunnels bored in the unsaturated zone or through fractured crystalline rock are more commonly left without liners than tunnels that are beneath the water table and so are more susceptible to seepage (Vincenzi et al, 2009).…”

mentioning

confidence: 99%

“…Gargini et al (2008) showed through the use of tracer tests that after initial drainage, 85 percent of the discharge into the same tunnel was attributed to direct recharge from precipitation. Preferential flow through the fractures was indicated by a large variance in dispersivity of tracers.…”

mentioning

confidence: 99%

“…No slope is applied to the top of the domain as Maxwell (2010) showed all overland flow, in a very similar scenario, contributing to run-on, and therefore none leaves the domain. (Pruess, 1998), and Mediterranean (Vincenzi et al, 2009;Gargini et al, 2008;Rademacher et al, 2003). Denver is a good example of a continental semiarid climate and is used for simulations.…”

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confidence: 99%

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Assessing the timing and magnitude of precipitation-induced seepage into tunnels bored through fractured rock

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Tunnelling and Underground Space Technology

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Factors controlling the permeability distribution in fault vein zones surrounding granitic intrusions (Ore Mountains/Germany)

2017

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An outstanding legacy data set has been compiled from underground excavations mostly prospected and mined by the former Soviet (German) Stock Company Wismut describing the hydrology of faulted basement rocks in the Ore Mountains (SE Germany). It consists of more than 5000 detailed descriptions of groundwater inflows to about 660 km of tunnels and 57 km of drillings measured during or shortly after excavation. Inflow measurements (recorded between 1E−8 and 4E−2 m3/s) have been converted to fracture transmissivities using a simplified analytical solution. Discarding site specific effects, the median log transmissivity decreases from 1E−7 to 1E−10 m2/s within the studied depth interval of 0–2000 meters below ground surface (mbgs), and the spacing of conductive fracture increases from 0.1 to 2500 m. This general trend is overprinted at three mining sites by a clear reversal of fracture transmissivity which correlates with contact metamorphic aureoles around Variscan granite intrusions (327–295 Ma). We hypothesize that this transmissivity increase is caused by processes accompanying granite intrusion and contact metamorphism. The thickness of these hydraulically active aureoles is greater in lower‐grade metamorphic schist than in higher‐grade metamorphic gneisses. Rock mass equivalent continuum conductivities have been estimated by arithmetic averaging of fracture and matrix transmissivities over 100 m intervals and have been converted to permeabilities. The median equivalent continuum permeability decreases with depth according to log(k) = − 1.7 * log(z) − 17.3 (k in m2 and increasing depth z in kilometer being positive). Matrix conductivity controls the bulk conductivity below about 1000 mbgs and is less sensitive to the occurrence of contact metamorphic aureoles.

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Circolazione idrica sotterranea nelle torbiditi dell’Appennino Settentrionale (Italia): deflusso naturale e drenaggio dei tunnel ferroviari Alta Velocità

Cited by 53 publications

References 30 publications

Hydrogeology of continental southern Italy

Hydrogeology of continental southern Italy

Assessing the timing and magnitude of precipitation-induced seepage into tunnels bored through fractured rock

Factors controlling the permeability distribution in fault vein zones surrounding granitic intrusions (Ore Mountains/Germany)

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