trigonometric leveling

trigonometric leveling

[¦trig·ə·nə¦me·trik ′lev·əl·iŋ]
(engineering)
A method of determining the difference of elevation between two points, by using the principles of triangulation and trigonometric calculations.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
This could be very useful when combining old height determinations (which in many cases were measured with low accuracy methods, e.g, trigonometric leveling) or/and in cases of inconsistencies due to different datum definitions show up.
The first network was established in the early 1980s using trigonometric leveling (blue circles).