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Full-Text Articles in Atmospheric Sciences
Stubborn Aerosol: Why Particulate Mass Concentrations Do Not Drop During The Wet Season In Metro Manila, Philippines, Miguel Ricardo A. Hilario, Paola Angela Bañaga, Grace Betito, Rachel A. Braun, Maria Obiminda L. Cambaliza, Melliza Templonuevo Cruz, Genevieve Rose Lorenzo, Alexander B. Macdonald, Preciosa Corazon Pabroa, James Bernard Simpas
Stubborn Aerosol: Why Particulate Mass Concentrations Do Not Drop During The Wet Season In Metro Manila, Philippines, Miguel Ricardo A. Hilario, Paola Angela Bañaga, Grace Betito, Rachel A. Braun, Maria Obiminda L. Cambaliza, Melliza Templonuevo Cruz, Genevieve Rose Lorenzo, Alexander B. Macdonald, Preciosa Corazon Pabroa, James Bernard Simpas
SOSE Affiliate: Manila Observatory
Wet scavenging is the most important sink for particulate matter (PM) and is expected to decrease PM concentrations in the wet season. However, Metro Manila, Philippines has highly similar PM mass across seasons despite large differences in seasonal rainfall. It is important to identify factors contributing to seasonally consistent PM mass as these may be present in similar developing megacities besides Metro Manila, leading to PM accumulation and posing significant health risks. We use size-resolved aerosol composition, aerosol optical depth, and meteorological data to reveal that the seasonally consistent PM mass in Metro Manila is due to (1) opposing seasonal …