atmospheric tide

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Related to Atmospheric tides: Air tide

atmospheric tide

[¦at·mə¦sfir·ik ′tīd]
(geophysics)
Periodic global motions of the earth's atmosphere, produced by gravitational action of the sun and moon; amplitudes are minute except in the upper atmosphere.
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Schulz and his team suspect that atmospheric tides could be involved in other phenomena that involve sliding surfaces, including earthquakes, volcanic eruptions and glacier movement.

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