Dynamic meter: Difference between revisions
From Glossary of Meteorology
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<div class="definition"><div class="short_definition">( | <div class="definition"><div class="short_definition">(''Also called'' geodynamic meter.) The [[standard]] unit of [[dynamic height]], defined as 10 m<sup>2</sup> s<sup>−2</sup>; it is related to the [[geopotential]] ϕ, the geometric height ''z'' in meters, and the [[geopotential height]] ''Z'' in geopotential meters by <div class="display-formula"><blockquote>[[File:ams2001glos-De52.gif|link=|center|ams2001glos-De52]]</blockquote></div> where ''g'' is the [[acceleration of gravity]] in meters per second squared. (Some sources prefer to give the constants 10 and 9.8 with units of meters per second squared so that the units of ϕ and ''Z'' would be the same as those of the geometric height.)</div><br/> <div class="paragraph">The dynamic meter is about 2% longer than the geometric meter and the [[geopotential meter]].</div><br/> </div> | ||
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Latest revision as of 06:52, 14 November 2017
dynamic meter
(Also called geodynamic meter.) The standard unit of dynamic height, defined as 10 m2 s−2; it is related to the geopotential ϕ, the geometric height z in meters, and the geopotential height Z in geopotential meters by where g is the acceleration of gravity in meters per second squared. (Some sources prefer to give the constants 10 and 9.8 with units of meters per second squared so that the units of ϕ and Z would be the same as those of the geometric height.)
The dynamic meter is about 2% longer than the geometric meter and the geopotential meter.
