Distributions, Sources, and Backward Trajectories of Atmospheric Polycyclic Aromatic Hydrocarbons at Lake Small Baiyangdian, Northern China

<table>Distribution of possible source regions passed by backward trajectories to Lake Small Baiyangdian in four seasons. HEB : Hebei, HEN : Henan, HUB : Hubei, BJ : Beijing, TJ : Tianjin, SD : Shandong, JS : Jiangsu, AH : Anhui, SX : Shanxi, SN : Shaanxi, NX : Ningxia, GS : Gansu, QH : Qinghai, XJ : Xinjiang, NM : Neimeng, HLJ : Heilongjiang, JL : Jilin, Ln : Liaoning, BHS : Bohai Sea, YLS : Yellow Sea, ECS : East China Sea.</table>

The Scientific World Journal

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Figure 9

Figure 9: Distributions, Sources, and Backward Trajectories of Atmospheric Polycyclic Aromatic Hydrocarbons at Lake Small Baiyangdian, Northern China 

Figure 9 | Distributions, Sources, and Backward Trajectories of Atmospheric Polycyclic Aromatic Hydrocarbons at Lake Small Baiyangdian, Northern China 