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A secondary organic aerosol formation model considering successive oxidation aging and kinetic condensation of organic compounds: global scale implications

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Academic year: 2017

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Table 1. Mass-based Stoichiometric yield (α i,j,k ) for semi-volatile products (k = 1–3) from the oxidation of major types of reactive biogenic volatile organic compounds (VOC i , i = 1–6) by different oxidants (j = 1, 2), and the effective saturation conc
Fig. 2. Normalized distributions (f SOG (C ∗ ), with geometric stan- stan-dard deviation σ g = 2) of SOG i,j,k at T = 290 K
Fig. 3. Horizontal distributions (averaged over first seven model layers above Earth’s surface: 0–1 km) of annual mean values of (a) H 2 SO 4 gas concentration ([H 2 SO 4 ]), (b) LV-SOG  concentra-tion [LV-SOG], and (c) ratio of [LV-SOG] to [H 2 SO 4 ]
Fig. 4. A comparison of the simulated particle size distribution evolution based on (a) previous N × 2p SOA formation model (i.e., no oxidation aging and explicit condensation of LV-SOG) and (b) present N × 2p + A/C SOA formation model described in Sect
+4

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