National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 2017

A practical set of miniaturized instruments for vertical profiling of aerosol physical properties

Telg, H., D.M. Murphy, T.S. Bates, J.E. Johnson, P.K. Quinn, F. Giardi, and R.-S. Gao

Aerosol Sci. Tech., 51(6), 715–723, doi: 10.1080/02786826.2017.1296103, Available online (2017)

In situ atmospheric aerosol measurements have been performed from a Manta unmanned aircraft system (UAS) using recently developed miniaturized aerosol instruments. Flights were conducted up to an altitude of 3000 m (AMSL) during spring 2015 in Ny-Ålesund, Svalbard, Norway. We use these flights to demonstrate a practical set of miniaturized instruments that can be deployed onboard small UASs and can provide valuable information on ambient aerosol. Measured properties include size-resolved particle number concentrations, aerosol absorption coefficient, relative humidity, and direct sun intensity. From these parameters, it is possible to derive a comprehensive set of aerosol optical properties: aerosol optical depth, single scattering albedo, and asymmetry parameter. The combination of instruments also allows us to determine the aerosol hygroscopicity.

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