ChatterBank1 min ago
Harlech castle
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We are lead to believe that when Harlech castle was built, the waters of Tremadog Bay lapped at the bottom of the cliffs below the castle. With global warming, why is the sea still so far away? It has had plenty of time...........
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Because land rises.
During the ice age the land was depressed - it is still slowly rising now that that ice has gone. It's called post glacial rebound
http://en.wikipedia.org/wiki/Post-glacial_rebound
I don't know what it is in Wales but in some parts of Finland it's 11mm/year
Currently sea levels are rising at about 3mm a year although this could accelerate depending on what happens
Obviously countries like Bangladesh and Pacific Islands cannot rely on PGR to protect them!
During the ice age the land was depressed - it is still slowly rising now that that ice has gone. It's called post glacial rebound
http://en.wikipedia.org/wiki/Post-glacial_rebound
I don't know what it is in Wales but in some parts of Finland it's 11mm/year
Currently sea levels are rising at about 3mm a year although this could accelerate depending on what happens
Obviously countries like Bangladesh and Pacific Islands cannot rely on PGR to protect them!
Quite possibly caused by the land rising, but pehaps only partially. Global warming is likely to be a myth promoted by axe-grinding interested parties. Say it now before denial becomes an offence!
http://wattsupwiththat.com/about/
http://wattsupwiththat.com/about/
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