Table 2 Description of simulation scenarios.

From: Contribution of local and surrounding anthropogenic emissions to a particulate matter pollution episode in Zhengzhou, Henan, China

Code

Emission-control scenarios

S1

Considering all pollution sources in the study area (Zhengzhou and six surrounding cities)

S2

Controlling the pollution sources in Zhengzhou

S3

Controlling the pollution sources in the northeast of Zhengzhou (Xinxiang and Kaifeng)

S4

Controlling the pollution sources in the northwest of Zhengzhou (Luoyang and Jiaozuo)

S5

Controlling the pollution sources in the south of Zhengzhou (Pingdingshan and Xuchang)

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