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Preferred term

Z-values  

Definition

  • A z-value defines the vertical location of a phenomenon relative to a surface as given in a Cartesian coordinate system. To denote height (or depth), the z-value is stated relative to the plane in the x- and y-coordinate axes. [Source: Encyclopedia of Geographic Information Science; z-Values]

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URI

https://concepts.sagepub.com/social-science/concept/Z-values

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