Abstract
The generation of electric field fluctuations caused by electrokinetic effects observed at the bottoms of shallow basins with low salinity are considered in addition to natural variable ionospheric-magnetospheric electromagnetic fields. The electric field excitation model is considered for the cases with long surface waves and for the case when the wavelength is smaller than the water depth. The model has been mathematically described, and bottom pressure fluctuations caused by surface waves and the values of the electric field generated by these fluctuations as a result of electrokinetic effects have been obtained. It has been indicated that nonlinear effects in standing waves, formed by short progressive waves as well as by long waves, can cause electrokinetic electric fields of the same order of magnitude in the bottom layer. Thus, a method for estimating electrokinetic noise generated by surface waves has been proposed for the first time.
Published Version
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