Atmos extinction and AOD

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Tony Rodda

I’d played around with AOD having gained an idea of what it might be from here…

Experimenting with varying target altitudes obviously give quite serious differences but using differing AOD values between 01 – 0.2 (the UK apparent variances) produced huge differences in the Aerosol component.  It seems to vary considerably from week to week (?).

I’m not sure how ISIS applies this (?) or indeed whether UK values are accounted for.  (They certainly appear different from the guides given in ISIS).

Or am I reading this wrong?