Chemical stratification in thermally stratified lakes: A chloride mass balance model
作者： Alon Rimmer , Yasuaki Aota , Michio Kumagai , Werner Eckert
DOI: 10.4319/LO.2005.50.1.0147
关键词:
摘要: In thermally stratified lakes, nutrient-enriched hypolimnion and a nutrient-depleted epilimnion is common feature. Vertical mixing between these layers affects geochemical biological processes. We used chloride ion as an inert tracer to model the main factors controlling chemical stratification identify lake-wide The lake treated two completely mixed reservoirs separated by thermocline. Based on long-term records of temperature, hydrochemical, hydrological data from Lake Kinneret (Israel) Biwa (Japan), monthly hypolimnetic epilimnetic concentrations were predicted tested against measured concentration profiles. Water-volume exchange during thermocline deepening was calculated using mass balance. found that changes in inventories (chloride) correspond quantitatively water exchange, such, reflect mixing. Our inert-tracer-approach provides basis for operational means quantifying vertical process lakes independently heat budget.
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