Irish Coastlines Reveal Clues to Rising Seas, Scientists Work to Sharpen Future Predictions
Ireland rugged western coastlines largely composed of hard limestone, are more resistant to pounding waves from the North Atlantic. Yet in regions of rapid retreat the combination of rising sea levels and wave action is eroding away glacial deposits left behind thousands of years ago.
“What you're seeing, particularly where we have the most rapid retreat, is we've got a rising sea level, and we've got waves then eating away at material that was dumped there during the last glacial period,” explained Robin Edwards, assistant professor of geography at Trinity College Dublin, who studies physical indicators of sea level change. “We’ve been mapping Ireland for hundreds of years so it’s not a mystery where the stuff is or why it’s eroding away. The challenge is what you do with it.”
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