During the second FORMAT (FORMaldehyde as A Tracer of oxidation in the troposphere) campaign in 2003 the airborne multi-axis DOAS instrument (AMAXDOAS) performed scattered-light spectroscopic measurements of SO2 over the city of Mantova and the power plant Porto Tolle. both situated in the Po-valley. Northern Italy. The SO2 vertical columns and emission flux were derived from two days... https://foldlyers.shop/product-category/dil-relays/