Barometer elevation

From Glossary of Meteorology
(Redirected from Elevation of ivory point)

barometer elevation

(Or elevation of ivory point.) The vertical distance above mean sea level of the ivory point (zero point) of a station's mercurial barometer; frequently the same as station elevation.

This term is denoted by the symbol Hz in international usage. The value of atmospheric pressure with reference to this level is termed actual pressure.

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