Low-frequency Fluctuations of Suspended Sand and Wave Groups in the Surf Zone

by R. D. Kos'yan, Russian Acad of Sciences, Krasnodar, Russia,
S. Yu. Kuznetsov, Russian Acad of Sciences, Krasnodar, Russia,
N. V. Pykhov, Russian Acad of Sciences, Krasnodar, Russia,



Document Type: Proceeding Paper

Part of: Ocean Wave Measurement and Analysis

Abstract:

Field observations of the sand suspension near the bottom in surf zone are presented and discussed. Calculated spectra of suspended sand concentration and wave envelope was found to be similar and show that sand was more intensively suspended at the wave groups frequencies (&asyum; 0.013 Hz for our conditions) and at the frequencies lower than 0.004 Hz. Peculiarities of fluctuations of suspended sand median diameter are discussed.

Subject Headings: Sand (hydraulic) | Water waves | Soil analysis | Soil water | Soil properties | Sand waves | Wave spectrum | Black Sea

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