From Wikipedia, the free encyclopedia
Elevation of the free surface of a stream, lake or reservoir relative to a specified vertical datum
Water level, also known as gauge height or stage, is the elevation of the
free surface of a
sea,
stream,
lake or
reservoir relative to a specified
vertical datum.
[1]
See also
References
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^ ISO 772: 1996. Hydrometric determinations – Vocabulary and symbols.