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Abstract
Vol. 14:
Ermittlung geogener Stoffkonzentrationen im Grundwasser
[Determination of Natural Groundwater Composition]
Heidrun Gattenlöhner
Abstract: The detailed compilation of the composition of natural groundwater
proceeds the study of increasing man made and atmospheric intluenced quality
changes. The inlluence of the areal environmental contermination can be
interpreted by characterization and quantification of the natural copmponent.
The knowledge of the natural composition of the groundwatertypes occuring
in the Triassic stratigraphy of Frankonia is very important for the groundwater
protection.
Within the framework of this study an efficient method was developed to
simulate a natural groundwater. Therefore the water constituent llow in
the system rock - water - soil gas - organics is investigated through
a laboratory attempt. A solution process within slightly weathered rock
horizons from the Triassic stratigraphy was developed. The experiment
set-up allows groundwater of differing COi contents and various organics
compositions to be generated. Solution reactions, chemical buffering mechanism
and the composition of groundwater from respective aquifers were recognized
and illustrated by a geochemical modell. Natural waters of Franconia were
characterized.
Secondly, water constituent balances were created by using investigation
of input and output values. In combi- nation with natural parameters,
established through solution batch experiments, storing or leaching processes
can be quantified. The atmospheric or man made influence of the groundwater
is transparent.
Paper language: german; german
abstract
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