Standing Sea Waves, Microseisms, and Infrasound

V. N. Tabulevich*, E. A. Ponomarev**, A. G. Sorokin*, and N. N. Drennova*

*Institute of the Earth’s Crust, Siberian Division, Russian Academy of Sciences,
ul. Lermontova 128, Irkutsk, 664033 Russia
e-mail: san@cora.irk.su

**Institute of Solar–Terrestrial Physics, Siberian Division, Russian Academy of Sciences,
ul. Lermontova 126, Irkutsk, 664033 Russia
e-mail: root@situris.irkutsk.su

Received November 30, 1999; in final form, July 5, 2000

Abstract—Cyclones (typhoons) moving over the surface of oceans and seas generate storm water waves acting
in a varying wind field. In this process, the interference of differently directed waves occurs, which forms stand-
ing water waves, or the so-called clapotis. Generally, these wave regions form in the rear of cyclones
(typhoons). The standing waves are poorly examined, because they are not directly observable. To examine and
locate these waves, it is proposed to use their inherent properties to exert (“pump”) a varying pressure on the
ocean bottom, which generates microseismic vibrations, and to radiate infrasound into the atmosphere. Storm
microseisms are recorded at the world network of seismic stations. Infrasonic waves radiated by a clapotis
region can propagate at global distances and are identical to storm microseisms. It is suggested to determine the
parameters of standing waves and locate clapotis regions by observing microseismic and infrasonic vibrations.

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