Thanks for the heads-up. I had heard about the ash from Thera being found on Greenland from some Aegean Bronze Age specialists and wasn’t aware of the more recent work rejecting that—I found something from 2003 by Douglas J. Keenan (published by the American Geophysical Union). He sounds like he knows what he’s talking about (I need to find an English translation—it’s in Geologese)...but I’m suspicious of anything put out by a union.
The sad fact is, there never was any real work linking the eruption traces in the ice cores to Thera — the Thera supereruption advocates saddle onto pretty much anything right away, without study. A pumice artifact — pumice carved into a serving tray, so that the food could float next to the pharaoh — from New Kingdom Egypt was claimed to be from Thera. When finally someone studied it, it turned out (if memory serves) to be from the Kos volcano (last erupted 10s or 100s of 1000s of years ago).
Even though the artifact had been saddled on for years, suddenly it wasn’t of any importance, kinda like watching stuff get thrown down the memory hole in Orwell. And logically, even if it had been from Thera (and it wasn’t), the dig site in Egypt has also turned up Aegean-style wall paintings, meaning that the pumice item could have been picked up in trade.