Wyznaczanie punktów monitoringu badawczego wód podziemnych na podstawie czasu wymiany wód w zlewniach objętych badaniami modelowymi

Tomasz Michalczyk, Dominika Bar-Michalczyk


Determination of investigative groundwater monitoring sites based on the time of exchange of water in catchment scale numerical models.
A b s t r a c t. Design of groundwater monitoring programs in catchments subjected to detailed studies should be based on the knowledge of the directions and time scales of groundwater flow. Mathematical hydrodynamic models have an undying popularity both in the context of the quantitative assessment and predictions of contaminants migration. A properly designed hydrodynamic model can also be a useful tool for designing of monitoring networks. The authors present the application of such a possibility on an example of the model of a part of Main Groundwater Basin 326 (GZWP 326) in the Kocinka catchment. Studied area is one of research sites in the Soil2Sea project implemented under the BONUS program for the Baltic Sea catchment area. Goal of the project is to determine the intensity and timescales of retention and natural attenuation of biogens in the stream part of the river. Time scales of groundwater exchange and their directions were investigated using Visual MODFLOW and MODPATH packages. This approach allowed to identify parts of the catchment where a more detailed research will be performed at the selected groundwater investigative monitoring sites.

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