look The Global Warming Guy Larsens writes about in his Book..
Rye england was a Mile closer to the sea it was built on the Coast...
http://en.wikipedia.org/wiki/Little_Ice_Age
http://www.medscape.com/viewarticle/414687_2
http://geochemistry.usask.ca/bill/courses/Climate/The%20Little%20Ice%20Age%20prt.pdf
http://www.absoluteastronomy.com/topics/Little_Ice_Age
Silt alone can make a shoreline move a mile or more in quick order. Harlech Castle in Wales is a good example. When built, it was on a cliff that fell into the sea. It is now a good mile walk to the ocean. Shorelines are far from static.
There isn’t anything in any of your links about Greenland flooding. And why would it flood during a cold period?