Articles | Volume 20, issue 14
Atmos. Chem. Phys., 20, 8421–8440, 2020
Atmos. Chem. Phys., 20, 8421–8440, 2020

Research article 17 Jul 2020

Research article | 17 Jul 2020

Chemical characterization of secondary organic aerosol at a rural site in the southeastern US: insights from simultaneous high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) and FIGAERO chemical ionization mass spectrometer (CIMS) measurements

Yunle Chen et al.


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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Yunle Chen on behalf of the Authors (03 Jun 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (17 Jun 2020) by Stefania Gilardoni
Short summary
Two online mass spectrometry instruments, an aerosol mass spectrometer and a chemical ionization mass spectrometer equipped with a filter inlet for gases and aerosols, were deployed at Yorkville, GA, for a comprehensive characterization of organic aerosol. We observed notable secondary organic aerosol formation from isoprene and monoterpenes via different pathways during both day and night, and a series of highly oxidized acid-like compounds was found to be closely related to aged SOA.
Final-revised paper