Meteotsunami

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meteotsunami

(Also called meteorological tsunami.) A tsunami-like wave phenomenon generated by a meteorological or atmospheric disturbance.

Meteotsunami are caused by traveling air pressure disturbances associated with atmospheric gravity waves, pressure jumps, frontal passages, squalls, gales, typhoons, hurricanes, and other atmospheric sources. These generate barotropic ocean waves in the open ocean through resonance, which can subsequently be amplified near the coast through shoaling and basin resonance.

Reference:

Intergovernmental Oceanographic Commission, 2013: Tsunami glossary. Revised ed. UNESCO IOC Tech. Series 85, 42 pp. [Available online at http://unesdoc.unesco.org/images/0018/001882/188226E.pdf]


term added 12 Dec 2014


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