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Plot of Yellowstone Lake level in June 13, 2021, showing a repeating seiche wave

January 2023 (approx.)

Detailed Description

An example of the repeating seiche—a long-period oscillatory wave that can be present on a lake—measured over the course of a day by the lake-level sensor at the Grant Village boat dock on the West Thumb of Yellowstone Lake. The plot shows a cyclic variation of about 2 centimeters that occurs numerous times during June 13, 2021.


Public Domain.