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Numerical prognosis for salinity profiles of future lakes in the opencast mine Merseburg-Ost

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International Journal of Salt Lake Research

Abstract

Salt-laden groundwater inflows have formed monimolimnia in developing lakes of the abandoned opencast lignite mine Merseburg-Ost, Central Germany. Water-levels are still rising. To predict the future status of the lakes, two numerical models were developed. One was designed to predict groundwater flows, the second included limnophysical processes. The models were run in parallel and data exchange between them was performed every 1 to 10 years of model time. A trial of a 100-years prognosis was done. The results of surface salinity, mixing depth, and salinity profile are given. A sensitivity analysis yielded indications for the accuracy of the prediction.

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Authors and Affiliations

  1. UFZ-Gewässerforschung, Brückstr. 3a, D-39114, Magdeburg, Germany

    Bertram Böhrer, Michael Schimmele & Martin Schultze

  2. HPC Harress Pickel Consult GmbH, Geusaer Straße 1, D-06217, Merseburg

    Horst Heidenreich

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  1. Bertram Böhrer
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  2. Horst Heidenreich
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  3. Michael Schimmele
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  4. Martin Schultze
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Böhrer, B., Heidenreich, H., Schimmele, M. et al. Numerical prognosis for salinity profiles of future lakes in the opencast mine Merseburg-Ost. International Journal of Salt Lake Research 7, 235–260 (1998). https://doi.org/10.1007/BF02441877

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