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Article

Assessment of Minimum Water Level in Lakes and Reservoirs Based on Their Morphological and Hydrological Features

1
Soil & Water Resources Institute, Hellenic Agricultural Organisation “DEMETER”, 574 00 Sindos, Central Macedonia, Greece
2
Department of Hydraulics, Soil Science and Agr. Engineering, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Central Macedonia, Greece
*
Author to whom correspondence should be addressed.
Hydrology 2020, 7(4), 83; https://doi.org/10.3390/hydrology7040083
Received: 28 September 2020 / Revised: 3 November 2020 / Accepted: 5 November 2020 / Published: 6 November 2020
The sustainable management of lakes and reservoirs requires the determination of their minimum environmental water level. Even though the assessment of minimum water level depends on a number of biotic and abiotic factors of the lake ecosystem, in many cases these factors are not entirely known and, furthermore, their evaluation is usually a challenging and laborious task. On the other hand, the lakes/reservoirs may comprise an important water resource to meet the requirements arising from economic activities. In this paper, the morphological and hydrological features of four lakes of northern Greece were analysed in order to assess their minimum environmental water level. The hydromorphological analysis was based on the relationship of the lake surface area and volume with water level as well as the water inflow from the lake’s hydrological catchment area, considering as the lake’s critical volume storage, the annual water volume flowing into a lake from its hydrological catchment area with a probability of exceedance 50% of a long time series of hydrological years. By combining morphological and hydrological features, the proposed methodology aimed to extend the analysis based solely on morphological features, and assess more comprehensively the minimum environmental water level in the four lakes, ensuring also the rising from the minimum level to the maximum (overflow) level for most of the hydrological years. View Full-Text
Keywords: minimum lake level; hydromorphological analysis; Lake Vegoritida catchment; Greek lakes minimum lake level; hydromorphological analysis; Lake Vegoritida catchment; Greek lakes
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MDPI and ACS Style

Doulgeris, C.; Koukouli, P.; Georgiou, P.; Dalampakis, P.; Karpouzos, D. Assessment of Minimum Water Level in Lakes and Reservoirs Based on Their Morphological and Hydrological Features. Hydrology 2020, 7, 83. https://doi.org/10.3390/hydrology7040083

AMA Style

Doulgeris C, Koukouli P, Georgiou P, Dalampakis P, Karpouzos D. Assessment of Minimum Water Level in Lakes and Reservoirs Based on Their Morphological and Hydrological Features. Hydrology. 2020; 7(4):83. https://doi.org/10.3390/hydrology7040083

Chicago/Turabian Style

Doulgeris, Charalampos, Panagiota Koukouli, Pantazis Georgiou, Paschalis Dalampakis, and Dimitrios Karpouzos. 2020. "Assessment of Minimum Water Level in Lakes and Reservoirs Based on Their Morphological and Hydrological Features" Hydrology 7, no. 4: 83. https://doi.org/10.3390/hydrology7040083

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