Hydraulic Conductivity Distribution in Crystalline Rocks, Derived from Inflows to Tunnels and Galleries in the Central Alps, Switzerland
Research Collection Journal Article Hydraulic conductivity distribution in crystalline rocks, derived from inflows to tunnels and galleries in the Central Alps, Switzerland Author(s): Masset, Olivier; Löw, Simon Publication Date: 2010-06 Permanent Link: https://doi.org/10.3929/ethz-b-000018002 Originally published in: Hydrogeology Journal 18(4), http://doi.org/10.1007/s10040-009-0569-1 Rights / License: In Copyright - Non-Commercial Use Permitted This page was generated automatically upon download from the ETH Zurich Research Collection. For more information please consult the Terms of use. ETH Library Hydraulic conductivity distribution in crystalline rocks, derived from inflows to tunnels and galleries in the Central Alps, Switzerland Olivier Masset & Simon Loew Abstract Inflow data from 23 tunnels and galleries, transient behavior and the source of inflows. One of the 136km in length and located in the Aar and Gotthard most popular study approaches, whatever the aspect massifs of the Swiss Alps, have been analyzed with the considered, is the comparison of measured inflow data objective (1) to understand the 3-dimensional spatial with modeled inflows in order to back calculate hydro- distribution of groundwater flow in crystalline basement geological parameters. For example, Zhang and Franklin rocks, (2) to assess the dependency of tunnel inflow rate on (1993) compiled inflow data from different tunnels in depth, tectonic overprint, and lithology, and (3) to derive different types of rock and compared them with analytical the distribution of fracture transmissivity and effective and numerical models, and Hwang and Lu (2007) hydraulic conductivity at the 100-m scale. Brittle tectonic modeled inflow transient behavior and found it to be in overprint is shown to be the principal parameter regulating agreement with the general trend of measured inflow data.
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