Movie:Thermal Mixing at Channel Confluence
Information Page: Thermal Mixing at Channel Confluence
Thermal Mixing at Channel Confluence
|3D Detached Eddy Simulations
|small river confluence in Illinois
Grade level: Graduate / Professional
Statement: Thermal Mixing at Channel Confluence
Abstract: A small river confluence in Illinois with an asymmetrical confluence and a concordant bed. The different cross-sections in the example focus on mixing of rivers with different water temperatures (thermal mixing). The large-scale engulfing by the ML eddies promotes mixing. The large-scale oscillations of SOV cells play an important role in the mixing between the two streams.
Confluences are a common element of river networks, especially in the lower reaches and the deltaic floodplain. They are characterized by large-scale turbulent motions. Confluences are even more common in braided river networks, and play an important role in reworking and transporting bedload material.
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