WSTĘPNE WYNIKI BADAŃ HYDROGEOCHEMICZNYCH, IZOTOPOWYCH I MODELOWYCH DLA ZLEWNI GWDY

T. Kotowski, L. Śmietański

Abstract


PRELIMINARY RESULTS OF HYDROGEOCHEMISTRY, ISOTOPE AND MODEL STUDIES WITHIN THE GWDA RIVER BASIN

Preliminary results of hydrogeochemistry, isotope and model researches are presented in the paper. The main objects of the research were the deep Miocene and Pleistocene aquifers. Based on hydrogeochemical ratios r(Cl/Cl+HCO3) and r(Na/Na+Ca) the variability of chemical composition of groundwater was investigated. Within the study area the determination of δ18O, δ2H, δ13C and 14C in groundwater was made. The results of the analysis indicate strong hydraulic connection between Pleistocene and Miocene aquifers. Two simple 2D groundwater flow models were made along the two hydrogeological cross-section lines A–A’ and B–B’. Generally, the obtained results indicate dominating vertical recharge within the groundwater recharge area


Keywords


izotopy trwałe, badania modelowe, hydrogeochemia, zlewnia Gwdy.

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