What is the tidal datum in reference to in regions with semidiurnal mixed tides?
A) Mean lower low water
B) Mean low water
C) Tidal range
D) Mean tide

Question

Quizplus · Accepted Answer

In mixed tide coastlines, the average of the lowest low tides is taken to determine datum points. This is important because the mixed tides have two low tides of varying height. Information can be found in the section The Dynamic Theory of Tides Adds Fluid Motion Dynamics to the Equilibrium.

What Is the Tidal Datum in Reference to in Regions