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Characterization of a regional groundwater discharge area by combined analysis of hydrochemistry, remote sensing and groundwater modelling

par Batelaan, Okke;De Smedt, Florence ;De Becker, Piet;Huybrechts, Willy
Référence National conference publication - Institute of Engineers. Australia, 1, 94 /10, page (93-98)
Publication Publié, 1994

Article révisé par les pairs

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Résumé :

A multi-layer regional groundwater flow model for simulation of quantitative groundwater discharge has been developed and applied to the wetland nature reserve Walenbos, (Belgium). The model predicts groundwater seepage, infiltration zones, fluxes, and travel times. The different vegetation types and chemical characteristics of the seepage water in the nature reserve compared very well the different local and regional groundwater systems predicted by the model and served as validation for the model. In addition, Landsat TM remote sensing analyses were used to validate the distribution of recharge and discharge areas. All analyses were integrated in a GIS resulting in an efficient multi-disciplinary method for a more fundamental understanding of groundwater wetland flow systems.