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- Updated aerosol optical properties, especially for organic matter ( Bozzo et al., 2017).
- Bug fixes to sedimentation, which was unreasonably weak for some dust and sea-salt bins, with corresponding re-tuning of sea-salt scavenging.
- SO2 dry deposition velocities updated to match those used in the chemistry scheme (from SUMO).
- New parametrisation of anthropogenic Secondary Organic Aerosol (SOA) production, proportional to non-biomass-burning CO emissions.
- More detailed SO2 to sulfate aerosol conversion with dependence on temperature and relative humidity, and overall decrease in the conversion timescale especially at high latitudes.
- Increased sulfate dry deposition velocity over ocean.
- Mass fixer extended to aerosol species.
- Scaling of biomass-burning Black Carbon (BC) emissions using the ratio of BC AOD (CAMS interim reanalysis) / BC AOD (CAMS interim control run).
- 80% of SO2 emissions are released in the two lowest model levels (as an update of tendencies) rather than at surface (fluxes)
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