Scatter Plot from Scientific Research

Sources of ground-based measurements are shown in the appendix (p 5). Purple: SCC; red: MOUDI; green: TEOM; blue: BB_SPEC. The vertical error bars represent the estimated 1- uncertainty of PM1. The EE (grey shaded), fraction of data within that EE, linearly fitted equation, coefficient of determination (R2), and NMB against all measurements are shown in black. Number of data pairs (in the brackets),R2, and NMB against each source of data are shown in the corresponding colours. BB_SPEC=broadband spectroscopy. EE= expected 1- error range. MOUDI=micro-orifice uniform deposit impactor. NMB=normalised mean bias. SCC=sharp cut cyclone. TEOM=tapered element oscillating microbalance.

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