PM2.5 in Cape Town, South Africa: Chemical characterization and source apportionment using dispersion-normalised positive matrix factorization
Anna Alfeus, Péter Molnár, Johan Boman, Philip K. Hopke, Janine Wichmann
Topics & Concepts
ApportionmentCapeDispersion (optics)Matrix (chemical analysis)Characterization (materials science)FactorizationNonnegative matrixGeographyEnvironmental scienceMathematicsMaterials scienceChemistryPhysicsChromatographyPolitical scienceArchaeologyNanotechnologyAlgorithmEigenvalues and eigenvectorsLawOpticsSymmetric matrixQuantum mechanicsAtmospheric chemistry and aerosolsAir Quality and Health ImpactsAir Quality Monitoring and Forecasting