TY - JOUR A1 - Pennypacker, S. A1 - Diamond, M. A1 - Wood, R. T1 - Ultra-clean and smoky marine boundary layers frequently occur in the same season over the southeast Atlantic JO - Atmos. Chem. Phys. J1 - ACP VL - 20 IS - 4 SP - 2341 EP - 2351 Y1 - 2020/02/27 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/20/2341/2020/ L1 - https://acp.copernicus.org/articles/20/2341/2020/acp-20-2341-2020.pdf DO - 10.5194/acp-20-2341-2020 ER -