AAAR 37th Annual Conference October 14 - October 18, 2019 Oregon Convention Center Portland, Oregon, USA
Abstract View
Aerosol Measurements Using Unmanned Aerosystems
FAN MEI, Darielle Dexheimer, Jason Tomlinson, Mikhail Pekour, Matt Newburn, Albert Mendoza, Casey Longbottom, Lexie Goldberger, Beat Schmid, Pacific Northwest National Laboratory
Abstract Number: 84 Working Group: Aerosols, Clouds and Climate
Abstract With the increasing deployment of unmanned aerial systems (UAS) and tethered balloon systems (TBS), unmanned aerosystems significantly expand observational perspectives in atmospheric science. The Atmospheric Radiation Measurement (ARM) Aerial Facility (AAF) continues supporting the observation needs of the user community. During a pilot study (PS) at the Southern Great Plains (SGP) atmospheric observatory in July 2019, TBS will be launched with aerosol sensors and meteorology sensors such as iMet radiosondes, fiber optic distributed temperature sensing, and anemometers. Therefore, vertical profiles of the atmospheric state (temperature, humidity, and horizontal wind) and aerosol properties will be observed simultaneously. During a PS in August 2019, a compact aerosol payload will be flying on a group 3 UAS -ArcticShark. Measured aerosol properties include total particle number concentrations, particle size distribution (size range: 135 nm - 1 micron), aerosol absorption coefficient and bulk aerosol chemical composition. Vertical profiles of atmospheric state and aerosol properties will be discussed based on these flights. Changes in the aerosol properties in the boundary layer near the SGP site will also be presented.