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Terrain discontinuity effects in the regional flow of a complex karstified aquifer

Papadopoulou Maria P., Varouchakis Emmanouil, Karatzas Giorgos

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URIhttp://purl.tuc.gr/dl/dias/B2A7BF5E-77F6-4402-B878-A645128E187F-
Identifierhttps://doi.org/10.1007/s10666-009-9207-5-
Identifierhttps://link.springer.com/article/10.1007/s10666-009-9207-5-
Languageen-
Extent10 pagesen
TitleTerrain discontinuity effects in the regional flow of a complex karstified aquiferen
Creator Papadopoulou Maria P.en
CreatorVarouchakis Emmanouilen
CreatorΒαρουχακης Εμμανουηλel
CreatorKaratzas Giorgosen
CreatorΚαρατζας Γιωργοςel
PublisherSpringer Verlagen
DescriptionΔημοσίευση σε επιστημονικό περιοδικό el
Content SummaryKarst aquifers are characterized by spatial heterogeneity due to the presence of highly permeable channels and conduits in low-permeable fractured rocks (matrix block). Recent studies have reported a close relationship between surface and subsurface water in karstic regions due to the water flow through a complicated network of paths formed by fracture intersections. Subsurface flow in karstified aquifers ranges between conduit flow, in large passages with relatively high flow velocities, and diffuse flow, in the matrix block where Darcy’s law is still valid. In this paper, we present the simulation of a complex karstified aquifer system in Crete, Greece, where the presence of main faults drastically affects the regional flow. A discrete fracture approach in conjunction with an equivalent porous medium approach was adopted to simulate the mixed flow in the area of interest. The simulation results have shown that the length and the orientation of the dominant faults, primarily during the rainy season, affect the flow field.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-10-21-
Date of Publication2010-
SubjectKarstificationen
SubjectFaultsen
SubjectSubsurface flow simulationen
SubjectFractured mediumen
SubjectCoastal aquiferen
Bibliographic CitationM. P. Papadopoulou , E. A. Varouchakis and G. P. Karatzas, "Terrain discontinuity effects in the regional flow of a complex karstified aquifer," Environmental Modeling & Assessment, vol. 15, no. 5, pp. 319-328, Oct. 2010. doi: 10.1007/s10666-009-9207-5en

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