Abstract
As presented in earlier papers (Fuchs and Fank, 1998; Fank, 1999) it is possible to generate initial and boundary conditions for transient ground water flow models using a set of measured groundwater hydrographs. In this paper we present² geostatistical models for the evaluation of spatial and time distributed recharge (RC) using measured ground water hydrographs,² limitations concerning the type of aquifer and the hydrological environment and² application to the western part of the “Leibnitzer Feld”, a shallow quaternaryaquifer south of Austria.
Highlights
Quaternary sediments deposited from rivers in former glacial and peri-glacial regions play an important role for drinking water supply and distribution
The data set for the calibration of the model and the estimation of transient boundary conditions consist of 26 wells, where the groundwater table was measured from 1992 to 1996 in weekly intervals
At the research station in Wagna the method to estimate RC from the fluctuation of the groundwater table in time was proofed in comparing the results to lysimeter measurements and soil water modelling (Fank, 1999)
Summary
Quaternary sediments deposited from rivers in former glacial and peri-glacial regions play an important role for drinking water supply and distribution. The investigation area, the so called ’Leibnitzer Feld’ is located in the lower Mur valley (Styria, Austria), which is filled up with quaternary gravels and sands with relatively high permeability and a thickness of 10 to 15 m. They represent an important aquifer which is intensively used for common water supply. The data set for the calibration of the model and the estimation of transient boundary conditions consist of 26 wells (see Figure 1), where the groundwater table was measured from 1992 to 1996 in weekly intervals
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