Articles | Volume 20, issue 24
Atmos. Chem. Phys., 20, 15907–15935, 2020
https://doi.org/10.5194/acp-20-15907-2020

Special issue: Cloud Aerosol and Monsoon Processes Philippines Experiment...

Atmos. Chem. Phys., 20, 15907–15935, 2020
https://doi.org/10.5194/acp-20-15907-2020

Research article 21 Dec 2020

Research article | 21 Dec 2020

Sources and characteristics of size-resolved particulate organic acids and methanesulfonate in a coastal megacity: Manila, Philippines

Connor Stahl et al.

Data sets

An annual time series of weekly size-resolved aerosol properties in the megacity of Metro Manila, Philippines Connor Stahl, Melliza Templonuevo Cruz, Paola Angela Bañaga, Grace Betito, Rachel A. Braun, Mojtaba Azadi Aghdam, Maria Obiminda Cambaliza, Genevieve Rose Lorenzo, Alexander B. MacDonald, Preciosa Corazon Pabroa, John Robin Yee, James Bernard Simpas, Armin Sorooshian https://doi.org/10.1038/s41597-020-0466-y

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Short summary
Long-term (16-month) high-frequency (weekly) measurements of size-resolved aerosol composition are reported. Important insights are discussed about factors (e.g., transport, fires, precipitation, photo-oxidation) impacting the mass size distributions of organic and sulfonic acids at a coastal megacity with diverse meteorology. The size-resolved nature of the data yielded one such finding that organic acids preferentially adsorb to dust rather than sea salt particles.
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