Organic aerosol concentration and composition over Europe: insights from comparison of regional model predictions with aerosol mass spectrometer factor analysis

PMF analysis revealed 5 factors or sources contributing to OA: LV-OOA, related to regional, aged secondary OA; SV- OOA, an early-generation secondary OA with substantial

We use this definition to estimate the constraints for each of the two, hourly-averaged SW CRF changes (within 20 %) due to a factor of two change in aerosol concentration from

In this study, we analyzed number concentration and size distribution of aerosol particles, together with the mass concentration and chemical composition of UFPs and PM 1

With the exception of the nucleation mode, particle number and volume concentration cycles are very similar to the cycles of aerosol optical properties and mass concentrations..

The spatial distribution of aerosol chemical com- position and the evolution of the Organic Aerosol (OA) fraction is investigated based upon airborne measurements of aerosol

by the AMS, and the estimated number losses, OA density, and collection e ffi ciency. ambient sample), [OA] is the mass concentration of organic aerosol, [Sulfates] is the

The monitoring site of Athens suburb shows the lowest aerosol concentration and number of exceedances compar- ing to the other sites; mass concentration for the suburban-

Moreover, better statistical representation of aerosol mass and number concentration improves model fi- delity in reproducing observed spatial and temporal variabil- ity in