Changes in source contributions to particle number concentrations after the COVID-19 outbreak: Insights from a dispersion normalized PMF
Qili Dai, Jing Ding, Congbo Song, Baoshuang Liu, Xiaohui Bi, Jianhui Wu, Yufen Zhang, Yinchang Feng, Philip K. Hopke
Topics & Concepts
Environmental scienceAtmospheric sciencesApportionmentDilutionAerosolCoal combustion productsDispersion (optics)ParticulatesPollutantCombustionMeteorologyEnvironmental engineeringChemistryGeographyPhysicsOpticsThermodynamicsLawOrganic chemistryPolitical scienceAir Quality and Health ImpactsCOVID-19 impact on air qualityAir Quality Monitoring and Forecasting