Zbiornik w wyrobisku końcowym Odkrywki "Pątnów" Kopalni Węgla Brunatnego "Konin" i jego bilans wodny za okres 2003-2004
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Date
2005
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Wydawnictwo Poznańskiego Towarzystwa Przyjaciół Nauk
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Abstract
The idea of water recultivation and management
of the closing open pits in the Lignite
Opencast Mine "Konin" is of a growing importance.
Hence, the necessity to explore water
relations conditioned by SLich undertakings.
Recultivation scheme of the closing open pit
"Pątnów" of Lignite Opencast Mine "Konin"
includes the construction of a 346 ha reservoir
with the capacity of over 38 mln m. So far, it is
the biggest reservoir built as a result of an open
pit recultivation in lignite opencast mining in
Poland. Part of the open pit will be Litilized as
a power plant waste disposal.
The reservoir has been filled since 2001.
Initially, the natural water supply was planned
- especially through groundwater inflow.
This process, however, would have taken some
20 years. In order to speed up the completion of
the reservoir, water from dewatering of other
working open pits at Lignite Opencast Mine
"Konin" has been directed into this reservoir. It
is hoped, that thanks to this operation, the
reservoir will be filled by 2006.
The reservoir water balance was worked
out for the hydrological years of 2003-2004.
During this period, water table rose by about
13.3 m, and the capacity increased by almost
25.9 mln m reaching the total cubage of
48.8 mln m. The balance income (30.24 mln m)
included precipitation (13.6%), discharge from
mine dewatering (43.9%), and the resultant of
groundwater supply (42.5%). The outcome elements
included evaporation from surface water
(71.5%) and evaporation from this part of the
area of morphological catchment that is contained
by the depression cone (28.5%).
The expediency of monitoring for the period
of reservoir filling and after its completion has
been indicated.
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Citation
Badania Fizjograficzne, Seria A, Tom 56, 2005, s. 157-176
ISBN
83-7063-456-7