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| | | #REDIRECT: [[Geopotential surface]] |
| #REDIRECT [[geopotential surface]] | |
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| == geopotential surface ==
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| <div class="definition"><div class="short_definition">(''Also called'' [[equipotential surface]], level surface.) A surface of constant [[geopotential]], that is, a surface along which a [[parcel]] of air could move without undergoing any changes in its [[potential energy]].</div><br/> <div class="paragraph">Geopotential surfaces almost coincide with surfaces of constant geometric height. Because of the poleward increase of the [[acceleration of gravity]] along a surface of constant geometric height, a given geopotential surface has a smaller geometric height over the poles than over the [[equator]]. <br/>''See'' [[potential]], [[geopotential height]], [[dynamic height]].</div><br/> </div>
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