Quote Originally Posted by deeen View Post
The article itself is not consistent.
My point is that the geophysics of whether and how much Manila is sinking can be measured, and not by refernce to sea levels.
Then average sea levels are rising at about 3mm a year, and they could then consider the worst rainfall scenarios.
This would then give an accurate basis for the authorities to make plans.

Isle of Wight syndrome - yes 2 highs and 2 lows each day in the Solent and Southampton Water, in layman's terms because the water sloshes round both ends of the Isle of Wight.
Yes. I have been a tide watcher for many years as it affects the measured depth of drill pipe in the well at any one time on a floating drilling vessel. Knowing local tides is paramount to the offshore oil industry and I have used the Isle of Wight / Southampton as a wacky example of such when training our new boys and girls....


What reference would you use if you weren't using Mean Sea Level? Lowest Astronomical Tide?