Influence of intrareservoir and meteorological factors on the rate of oxygen demand by valley reservoir sediments

Analyzed are the spatial and temporal variations of the sediment oxygen demand rate in the Mozhaisk Reservoir. It is demonstrated that this rate in summer depends both on the sediment characteristics and on the biological and meteorological factors. It is revealed that the content of labile organic...

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Bibliographic Details
Published in:Russian meteorology and hydrology 2012-05, Vol.37 (5), p.338-345
Main Authors: Lomova, D. V., Brekhovskikh, V. F., Vishnevskaya, G. N., Kremenetskaya, E. R.
Format: Article
Language:English
Subjects:
Aquatic ecosystems
Atmospheric Sciences
Bottom sediments
Earth and Environmental Science
Earth Sciences
Meteorology
Organic matter
Oxygen
Oxygen consumption
Oxygen demand
Reservoirs
Sediments
Water column
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Summary:Analyzed are the spatial and temporal variations of the sediment oxygen demand rate in the Mozhaisk Reservoir. It is demonstrated that this rate in summer depends both on the sediment characteristics and on the biological and meteorological factors. It is revealed that the content of labile organic substances in the silt is of great importance for the oxygen consumption rate (all other factors being equal). The inflow of these substances to the bottom is regulated by the water column stratification depending considerably on weather conditions. Estimated is the contribution of main organic matter consumers in the bottom sediments.
ISSN:1068-3739
1934-8096
DOI:10.3103/S106837391205007X