Fig. 2: Time series of BC mixing state parameters during the measurements.
From: Overestimation of black carbon light absorption due to mixing state heterogeneity

Time series of the BC mixing state parameters (χ, Dα, Dγ, and Fthick) and PM1 mass concentrations at YL (a, d, g), CP (b, e, h), and PKUERS (c, f, i) sites.