Originally Posted by
lomapaseo
Hmmm, what did you have in mind
Mostly, that both Iceland and Italy appear to have tools to measure
real ash (and other particulates) concentrations in the atmosphere, using lidars in particular. Having had a few more of those available to deploy when this "big one" happened would have been useful.
As the Italian article mentions, here in Europe we rarely get volcanic ash, but mostly Sahara sand. And I've been wiping that off my car regularly, even when I was still living in Paris. So if they can measure that with some degree of accuracy, I would expect they can measure volcanic ash too (same granularity, even if not at all the same composition).
CJ