It's not an effect of north/south vs. equator but an effect of the mass of the Greenland ice sheet being so great that it is increasing local gravity near Greenland, and effectively causing a permanent high tide. When the ice sheet melts, global water level could rise by 6 or 7 meters, but near Greenland it will drop by tens of meters. I will look for an article on the subject.
Note: the same applies to Antarctica.
Note 2: there are also other effects such as rise of the surface after the weight of the ice is removed. An ice sheet is a super-massive thing.
a) first i made a reading error, mixed gravitational with centrifugal force, a simple synaptic "misfire"
b) nevertheless and despite the source you provided i don't believe in that theory. while gravitation certainly has an impact it won't be that much on that scale to keep oceans significantly lower to prevent flooding IMO but the following will do that.
c) what indeed can prevent an SLR locally would be the raise of land through loss of ice-weight. that is something i forgot in my post and that part makes totally sense, it's not just a theory but a proven fact, observed in many enough places by geologists.
d) either way i did not expect or try to convince anyone of anything, i only wanted to let you know
that i heard about that theory and don's support it, hence it won't be necessary to mention it
in reply to my posts in form of a reminder.
we can easily agree to disagree on this matter, no problem and as i said, if that were true, the ocean would have to drop near antarctica and near greenland for each centimeter of SLR a few millimeters for the part those two contributed to SLR in a given period.
nevertheless i thank you for the link, it represents a theory but does not provide evidence of the kind that would change my mind
since this is OT in this thread it's anyway better to end it here. i shall keep an eye on it and read a bit more often on that topic and let you know should something convince me in the future, funny by the way how a bit of kidding can make interesting questions surface.