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Use of major and selected trace elements to describe mixing processes in a water reservoir Utilisation des éléments majeurs et traces pour décrire les me'langes d'eaux au sein d'un lac de barrage

Abstract : Data on temperature, major constituents and some trace elements, measured in the dissolved and particulate phases, were used to identify the hydrodynamics of a reservoir (the Bicaz reservoir, Romania). Results revealed that the reservoir experiences two thermal stratifications per year (summer and winter). However, the summer stratification is delayed by the high river inflow of June-July. Two layers were identified, a surface and a deep layer, whose location and impact vary with time. The surface layer originates from the river inflow (intrusion layer) and the deep current is produced by the outflow (velocity current). According to season, the river inflow either supplies the deep current or remains recordable up to the dam. Consequently, the structure of the water column, and thus the biogeochemical processes within it, are governed both by thermal stratification and by these layers
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Nathalie Gassama, Constantin Cocirta, Haino Uwe Kasper. Use of major and selected trace elements to describe mixing processes in a water reservoir Utilisation des éléments majeurs et traces pour décrire les me'langes d'eaux au sein d'un lac de barrage. Comptes Rendus Géoscience, Elsevier Masson, 2012, 344 (1), pp.25-32. ⟨10.1016/j.crte.2011.11.001⟩. ⟨insu-00666109⟩

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