Once again, marine archaeologist are documenting the effects of rising sea levels on prehistoric populations, in this case revealing evidence more than 8,000 years old off the coast of England. The changes in climate over the millenia have joined, then separated, the English isle from the continent of Europe as the sea alternately froze and melted. During times of decreased global temperatures, enough sea water was tied up in glaciers to lower the sea level and open up land bridges from what is not England to Copenhagen.
The First Brexit: Submerged landscapes of the North Sea and Channel
By Peter B. Campbell
April 16, 2017