The LARGE Instrument Suite

Aerosol Concentrations: Ultrafine, Total and Nonvolatile number densities Cloud Condensation Nuclei (CCN) number as function of saturation Aerosol Size: Mobility, optical and aerodynamic sizing instruments Size range from 0.003 to 20 µm diameters Optical Properties: Multi-wavelength Scattering, Absorption and Extinction Coefficients Water soluble brown-carbon absorption Single Scattering Albedo Angstrom Exponents Scattering and Extinction Hygroscopicity (f(RH)) Aerosol Composition: Size-dependent, Nonrefractory composition (HR-ToF-AMS) Water-soluble anions and cations (PILS-IC) Water-soluble organics (PILS-TOC) Black Carbon (SP2) Cloud Properties: Cloud particle size (wing-mounted probes) Liquid and total cloud water content Particle images and depolarization (wing probes) Combustion Tracers: CO, CO2, NO, NO2, NOx, SO2, THC, H2O Meteorological 3-D Winds, dew point, lightning, H2O’, T’, U’V’W’, CO2’, CN’