Remote Sens., Volume 12, Issue 23 (December-1 2020) – 161 articles
Cover Story (view full-size image): The regional transmission characteristics as well as the local emission and external transmission contribution of fine particulate matter in the East of North China Plain were investigated using multisource data. The route of pollutant horizontal transmission was reconstructed based on Himawari-8 Aerosol Optical Depth data. A case study conducted on 22 September 2019 showed the pollutant was mainly transmitted from Tangshan to Dezhou. The transmission speed was greater than near-surface wind speed. The vertical diffusion mainly occurred at low altitude below 1.8 km. The pollution air mass had 2–3 hours diffusion delay from the ground monitoring data. In addition, with the help of the WRF-Chem model, pollution in the northeast was mainly attributed to local emissions, while the southwestern area was mainly affected by external transmissions. View this paper
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