Articles | Volume 14, issue 1
Atmos. Meas. Tech., 14, 695–713, 2021
https://doi.org/10.5194/amt-14-695-2021
Atmos. Meas. Tech., 14, 695–713, 2021
https://doi.org/10.5194/amt-14-695-2021

Research article 29 Jan 2021

Research article | 29 Jan 2021

New in situ aerosol hyperspectral optical measurements over 300–700 nm – Part 1: Spectral Aerosol Extinction (SpEx) instrument field validation during the KORUS-OC cruise

Carolyn E. Jordan et al.

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AR by Carolyn Jordan on behalf of the Authors (20 Nov 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (30 Nov 2020) by John Sullivan
Short summary
First field data from a custom-built in situ instrument measuring hyperspectral (300–700 nm, 0.8 nm resolution) ambient atmospheric aerosol extinction are presented. The advantage of this capability is that it can be directly linked to other in situ techniques that measure physical and chemical properties of atmospheric aerosols. Second-order polynomials provided a better fit to the data than traditional power law fits, yielding greater discrimination among distinct ambient aerosol populations.