Difference between revisions of "D-value"

From Glossary of Meteorology
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<div class="definition"><div class="short_definition">The quantity ''D'' describing the [[altitude]] of a point on a [[constant-pressure surface]] by its  [[departure]] from &ldquo;standard&rdquo; altitude:</div><br/> <div class="paragraph"><div class="display-formula"><blockquote>[[File:ams2001glos-De1.gif|link=|center|ams2001glos-De1]]</blockquote></div> where ''Z'' is the actual altitude above [[mean sea level]] and ''Z''<sub>''p''</sub> is the [[pressure altitude]] of the same  point.</div><br/> </div>
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<div class="definition"><div class="short_definition">The quantity ''D'' describing the [[altitude]] of a point on a [[constant-pressure surface]] by its  [[departure]] from "standard" altitude:</div><br/> <div class="paragraph"><div class="display-formula"><blockquote>[[File:ams2001glos-De1.gif|link=|center|ams2001glos-De1]]</blockquote></div> where ''Z'' is the actual altitude above [[mean sea level]] and ''Z''<sub>''p''</sub> is the [[pressure altitude]] of the same  point.</div><br/> </div>
 
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Latest revision as of 15:01, 20 February 2012



D-value

The quantity D describing the altitude of a point on a constant-pressure surface by its departure from "standard" altitude:

ams2001glos-De1
where Z is the actual altitude above mean sea level and Zp is the pressure altitude of the same point.