Barometer elevation

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 H_z in international usage. The value of atmospheric pressure with reference to this level is termed actual pressure.

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(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 H_z in international usage. The value of atmospheric pressure with reference to this level is termed actual pressure.