Articles | Volume 14, issue 11
https://doi.org/10.5194/amt-14-7381-2021
https://doi.org/10.5194/amt-14-7381-2021
Research article
 | 
26 Nov 2021
Research article |  | 26 Nov 2021

Undersizing of aged African biomass burning aerosol by an ultra-high-sensitivity aerosol spectrometer

Steven G. Howell, Steffen Freitag, Amie Dobracki, Nikolai Smirnow, and Arthur J. Sedlacek III

Data sets

Suite of Aerosol, Cloud, and Related Data Acquired Aboard P3 During ORACLES 2016, Version 3 ORACLES Science Team https://doi.org/10.5067/Suborbital/ORACLES/P3/2016_V3

Suite of Aerosol, Cloud, and Related Data Acquired Aboard P3 During ORACLES 2017, Version 3 ORACLES Science Team https://doi.org/10.5067/Suborbital/ORACLES/P3/2017_V3

Suite of Aerosol, Cloud, and Related Data Acquired Aboard P3 During ORACLES 2018, Version 3 ORACLES Science Team https://doi.org/10.5067/Suborbital/ORACLES/P3/2018_V3

Suite of Aerosol, Cloud, and Related Data Acquired Aboard ER2 During ORACLES 2016, Version 2 ORACLES Science Team https://doi.org/10.5067/Suborbital/ORACLES/ER2/2016_V3

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Short summary
Small particles in the air have important effects on visibility, clouds, and human health. For the ORACLES project we got a new particle sizing instrument that is fast, works over the most important particle sizes, and avoids some of the issues that plague other optical particle sizers. Unfortunately it sees some particles much smaller than they really are, likely because they heat up and evaporate. We show a crude correction and speculate why these particles heat up much more than expected.