Detection and quantification of deep groundwater flow using 3-d geothermal modelling
2004
Flow velocity and discharge rate of groundwater are of major interest in many geoscientific applications. However,
it is particularly difficult to estimate these quantities in deep aquifers with normally little information. Groundwater
flow can change the temperature field in the Earth's upper crust significantly. This fact is used to identify areas
where the thermal regime is disturbed by water flow (e.g. Vasseur and Demongodin, 1995). We compared
temperature-data (corrected for the diffusion of paleoclimate) from an extensive database of the GGA-Institute with
results from a 3-D conductive simulation. The differences between these two data sets reflect well the assumed
nature of the flow regime.
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