2016
DOI: 10.7343/as-2016-209
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Hydraulic contacts identification in the aquifers of limestone ridges: tracer tests in the Montelago pilot area (Central Apennines)

Abstract: Parole chiave: test con traccianti, DNA, carsismo, acquiferi, Montelago.Keywords: tracer tests, DNA, karst, aquifers, Montelago area. riassunto: L'area in studio, appartenente al dominio carbonatico umbro-marchigiano, è caratterizzata da un assetto geo-strutturale molto complesso e dalla diffusa presenza di fenomeni carsici che rendono complicata la definizione dei rapporti tra le varie idrostrutture e i diversi acquiferi basandosi solamente su rilievi idro-geologici. Per verificare la presenza di determina… Show more

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Cited by 4 publications
(4 citation statements)
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“…THE VALLEY OF SAN GIOVANNI The hydrologic monitoring confirms the location of the main emergences for the polje water in the valley of San Giovanni, as also verified with the tracer tests (Deiana et al 1970;Aquilanti et al 2016;Tazioli et al 2016). However, the temporary springs that activate along the valley of San Giovanni in high discharge conditions do not represent an overflow of the main San Giovanni spring and their highly variable characteristics derive from a different draining system.…”
Section: The Caprelle Springsupporting
confidence: 59%
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“…THE VALLEY OF SAN GIOVANNI The hydrologic monitoring confirms the location of the main emergences for the polje water in the valley of San Giovanni, as also verified with the tracer tests (Deiana et al 1970;Aquilanti et al 2016;Tazioli et al 2016). However, the temporary springs that activate along the valley of San Giovanni in high discharge conditions do not represent an overflow of the main San Giovanni spring and their highly variable characteristics derive from a different draining system.…”
Section: The Caprelle Springsupporting
confidence: 59%
“…12), probably with the contribution of sinking water from the ponor. The tracer tests, in fact, verified that a low percentage of the tracer (5-7%) reached also the San Giovanni spring during the recharge periods, with a moderate flow rate in the ponor Tazioli et al 2016). In those tests, the first arrival of the tracer occurred ~48 hours after the injection, the main peak after ~400 hours.…”
Section: The Caprelle Springmentioning
confidence: 73%
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“…Location of the study area. Geological scheme of the Umbria-Marche Apennine with tectonic features, modified after Barchi et al (2012) Tazioli et al (2016), using tracer tests in areas with similar geo-structural and hydrogeological features, revealed hydraulic contacts of tectonic origin among carbonate aquifers of the same or different hydro-structures, which are separated from each other by overthrusts. Springs emerging from specific hydro-structures can be recharged by aquifers of adjacent hydro-structures, and the presence of normal or transtensional faults, which unblock overthrusts, can favour hydraulic continuity.…”
Section: Introduction and Purpose Of The Workmentioning
confidence: 99%