Środowiskowe Seminarium Fizyki Atmosfery

Absorbing aerosols vertical distribution is an important factor in radiative transfer processes, which influences energy budget. I would like to present how we could retrieve Single Scattering Albedo profiles from UAV measurements combined with ground data.Thanks to miniaturization of sensors we were able to find small sensors like microaethalometer and microspectrometer, which could be mounted on small UAVs. Due to fact, that we are interested in aerosol, we arelimited to electric powered motors, which do not emit any combustion byproducts. Drawback of electric solution is shorter flight time, what limits height of acquired by us profiles to 1000 meters. We decided to use multi rotor platform with capability of vertical take off and landing, what makes flights easier to plan, operate and flight time is more optimal utilized than with fixed wing drone. Our measurement setup incorporate microaethalometer, icrospectrometer (400-800 nm), temperature, humidity and pressure sensors. We plan flights on the sites where ground based measurement of absorption andscattering coefficient are carried and where atmospheric lidars are operated. Synergy of ground and UAV based measurements gives us information on aerosol optical properties profiles. In our approachthose profiles allows retrieval of SSA profile. Proposed method delivers data, which then could be validated with radiative transfer models and additional measurement from radiometers.In our presentation we will present whole concept of our measurements,explain details of used technical solution and show most interesting cases measured during last field campaigns.