Articles | Volume 12, issue 2
https://doi.org/10.5194/amt-12-1365-2019
https://doi.org/10.5194/amt-12-1365-2019
Research article
 | 
28 Feb 2019
Research article |  | 28 Feb 2019

Aerosol light absorption from optical measurements of PTFE membrane filter samples: sensitivity analysis of optical depth measures

Apoorva Pandey, Nishit J. Shetty, and Rajan K. Chakrabarty

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Latest update: 22 Jul 2024
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Short summary
This study quantitatively establishes simple-to-use correction factors for accurately estimating particle-phase light absorption properties from bulk-phase attenuation measurements of Teflon filter samples. Using contact-free optical instrumentation with a two-stream radiative transfer model, we developed a wavelength-independent empirical correction formulation by comparing filter attenuation of aerosol-laden Teflon filter samples with in situ light absorption for a range of real-world fuels.