Fig. 3: MAC data measured at different wavelengths and interpolated to 550 nm using AAE = 1 according to a device type (either filter-based or photoacoustic), b study duration, and c separated according to whether the study featured thermodenuder/solvent-treatment or noted a strong influence of biomass-burning. | npj Climate and Atmospheric Science

Fig. 3: MAC data measured at different wavelengths and interpolated to 550 nm using AAE = 1 according to a device type (either filter-based or photoacoustic), b study duration, and c separated according to whether the study featured thermodenuder/solvent-treatment or noted a strong influence of biomass-burning.

From: Mass absorption cross-section of ambient black carbon aerosols - a review

Fig. 3

Note that panel a does not account for the differences in, e.g., urban/remote, fresh/aged, or mass reference and is therefore not a direct comparison of the techniques. The isolines correspond to MAC increments of 4 m2 g−1. The dashed lines show the reference MAC expected for pure BC, which is 8 ± 1 m² g−1 at 550 nm.

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