Contact: luca.pozzoli@ec.europa.eu Model CESM2: CAM6Chem with MAM4 and Secondary Organic Aerosols. Bin sizes (Liu et al., 2016,2012): Mode sg Size range (µm) Aitken 1.6 0.015–0.053 Accumulation 1.8 0.058–0.27 Coarse 1.8 0.80–3.65 Primary Carbon 1.6 0.039–0.13 Missing variables: wetno3 dryno3 bcnsize pm25no3 pm25nh4 concccn04 concccn08 conccn16 concn20 concno3 concnh4 Notes on other variables: bcsnow If helpful, I could provide bc in surface snow and in snow total column in kg/m2 nmvocs Which species and units (ppbv(C) or sum all ppb concentartions) pm25w I have provided values using the wet aerosol diameter to calculate pm25 fraction, but without aerosol water at 50% RH. concccn02 CCN at 0.2% S is available but not at the other requested rates. If helpful I have uploaded other available rates are at 0.02%, 0.05%, 0.1%, 0.2%, 0.5% and 1% bcfrac Ratio between BC in cloud particles and total BC concentrations angst I could only calculate the Angs. exp. between 550 and 1020 nm o3s/cos/no2/no2s I don't have a specific diagnostic for surface conentrations at 3m. The surface model layer (level 32) could be extracted from the 3D fields.