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- New emissions inventories: CAMS_GLOB_ANT v2.1 (anthropogenic) and CAMS_GLOB_BIO v1.1 (biogenic), version 2.1, in place of previous MACCity and MEGAN-based _MACC inventories.
- Biomass-burning injection heights from GFAS, and updated diurnal cycle. In particular, this reduces the overestimation of near-surface PM2.5 during fire events.
- Anthropogenic SOA production updated with a diurnal cycle and regionally-varying ratio to CO emissions. This has a small impact on AOD, but significantly reduces night-time overestimation of near-surface PM2.5 in polluted regions.
- New online dust emission scheme (Nabat et al., 2012). This increases total dust emissions and shifts them towards larger particle sizes, in line with recent literature. An updated dust source function improves the selection of source regions, reducing "gaps" in dust emissions.
- Sea-salt production over freshwater lakes eliminated. This corrects an issue that was particularly noticeable over the Great Lakes.
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