[坐标系]1988 年北美垂直基准面 (North American Vertical Datum of 1988) 的首字母缩略词。 美国用于测量高程的垂直基准。 NAVD 是一个位于北美大陆的水准测量网络,其原点位于加拿大魁北克省里穆斯基的庞特奥佩尔(父点)。 该基准系统参考了 1985 年大湖国际基准的平均海平面, NAVD 88 使用赫尔莫特正交高程,通过...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook AcronymDefinition NAVD88North American Vertical Datum of 1988 Copyright 1988-2018AcronymFinder.com, All rights reserved. Suggest new definition Want to thank TFD for its existence?Tell a friend about us, add a...
The North American Datum of 1988 (NAVD 88) was co-defined with the International Great Lakes Datum of 1985 (IGLD 85) through the determination of geopotential numbers at some 600,000 passive geodetic control bench marks. Those geopotential numbers were computed from geodetic spirit leveling and ...
For the new general adjustment of the North American Vertical Datum of 1988 (NAVD 88), a minimum-constraint adjustment of Canadian-Mexican-US leveling observations was performed holding fixed the height of the primary tidal benchmark, re... DB Dilkoski - 《Surv.land Infor.sys》 被引量: 112...