Fig. 3
From: Harmonized and high-quality datasets of aerosol optical depth at a US continental site, 1997–2018

Demonstration of how to combine the strengths of the individual daily-averaged AODs in a complimentary way for the 21-yr period considered here. (a–e) temporal changes of the individual and combined AODs, (f) normalized frequency and cumulative distribution function (CDF) of standard deviation (StDv) of the combined AOD, (g) the number of days of the individual and combined AODs where StDv is small (<0.01).