Establishing minimum water level for Plastiras reservoir (Greece) combining water quality modelling with landscape aesthetics |
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Authors: | Anastasios I Stamou Kimon Hadjibiros Andreas Andreadakis Alexandra Katsiri |
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Institution: | (1) School of Civil Engineering, National Technical University of Athens, Iroon Polytechniou 5, 15780 Athens, Greece |
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Abstract: | A water quality model (MERES) is applied in the multi-purpose reservoir of Plastiras in Greece. The model was calibrated with
limited field data using the standard trial and error procedure; next, it was applied for four scenarios of reservoir operation,
which correspond to four values of minimum water levels (MWL). Model results were combined with landscape aesthetics to establish
a “safe” MWL in the reservoir. MWL was proposed to be +784 m, a value that ensures a very good water quality by retaining
the reservoir in the status of “a little beyond oligotrophic” and a very good quality of landscape with an acceptable area
of dead zones; it also ensures an annual release of 127.5 hm3 of water within a reliability level of 90%. This quantity can be considered as acceptable from the water supply point of
view. |
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Keywords: | water quality model eutrophication reservoir operation landscape aesthetics reservoir management |
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