INTERNATIONAL HYDROGRAPHIC REVIEW
MAY 2020
67
Figure 2 (a-e): Examples of differences between national heights and zero-tide EVRF2019
heights.
a) Height differences go
ing from the national
height reference frame of
Germany (DHHN2016,
north of the 53.5° parallel)
to zero-tide EVRF2019
(mean -1 mm; min. -8
mm; max. +4 mm)
-0.02 -0.01 0.00 0.01 0.02
b) Height differences going from the national
height reference frame of Denmark (DVR90)
to zero-tide EVRF2019 (mean +1 mm; min.
-12 mm; max. +13 mm)
-0.02 -0.01 0.00 0.01 0.02