A Study on Parameterization of the Beijing Winter Heavy Haze Events Associated with Height of Pollution Mixing Layer

Figure 4

index distribution in weather conditions on isentropic surface (280°k) at 08:00 on 20 December 2016 and 3 h (b), 6 h (c), and 12 h (d) high-resolution predictions of pollution transports oriented to Beijing from its surrounding areas. Initial time: 08:00 on 19 December; (a)–(d) are 1 h, 3 h, 6 h, and 12 h predictions.

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