COVID‐19 Impact on the Concentration and Composition of Submicron Particulate Matter in a Typical City of Northwest China

In this study, we evaluated the variations of air quality in Lanzhou, a typical city in Northwestern China impacted by the COVID‐19 lockdown. The mass concentration and chemical composition of non‐refractory submicron particulate matter (NR‐PM1) were determined by a high‐resolution aerosol mass spec...

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Veröffentlicht in:	Geophysical research letters 2020-10, Vol.47 (19), p.e2020GL089035-n/a
Hauptverfasser:	Xu, Jianzhong, Ge, Xinlei, Zhang, Xinghua, Zhao, Wenhui, Zhang, Ruixiong, Zhang, Yuzhong
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerosols Aerosols and Particles Air pollution Air quality Air quality measurements Ammonium Ammonium compounds Atmospheric Composition and Structure Biogeosciences Biomass burning Burning Chemical composition Cooking Coronaviruses COVID-19 Emissions Evaluation HR‐ToF‐AMS Lanzhou Marine Pollution Mass Mass spectrometry Megacities and Urban Environment Mitigation Natural Hazards NR‐PM1 Oceanography: Biological and Chemical Oceanography: General Outdoor air quality Paleoceanography Particulate emissions Particulate matter Pollutants Pollution control Pollution: Urban and Regional Pollution: Urban, Regional and Global Research Letter Research Letters Secondary aerosols Secondary production Suspended particulate matter The COVID‐19 Pandemic: Linking Health, Society and Environment Traffic control Viral diseases
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