Sedimentation processes in the jet flow of river-lake contact zones

B. Shteinman*, Y. Kamenir, A. Hochman, O. Itzhak, T. Bergstein Ben-Dan

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


The sediment balance in jet flow at the mouth of the Jordan River near its entrance to Lake Kinneret was studied via application of dynamics equations and experimental measurements. Changes in the concentrations of the particulate matter (PM) and pollutants associated with the particles were documented along the flow, These changes are produced by two main mechanisms: PM sedimentation caused by attenuation of the jet flow velocity, and the dilution of river water with lake water. The first process dominates in the region from the exit cross-section of the jet to the crest of the bar, and the second process dominates after the bar. Quantitative estimates of the influence of each of these processes on the dynamics of the PM, pollutants and bacteria are presented. The role of turbulence structure is analyzed for sedimentation processes. Generally, complete destruction of the river turbulence structure and its transformation into the turbulence structure of the lake takes place over comparatively short distances, less than five widths of the river at the exit cross-section.

Original languageEnglish
Pages (from-to)63-72
Number of pages10
JournalAdvances in Fluid Mechanics
StatePublished - 2000
EventThird International Conference on Advances in Fluid Mechanics AFM 2000 - Montreal, Que., Canada
Duration: 24 May 200026 May 2000


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