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Kwanchul Kim is a leading researcher in atmospheric aerosol science, with a primary focus on the optical properties and classification of mineral dust and mixed pollution plumes. His work is central to improving how we identify and separate aerosol types using remote sensing techniques, particularly lidar and Sun/sky radiometry. Kim’s major contributions include pioneering the use of the particle linear depolarisation ratio derived from AERONET inversion products for aerosol typing, a method that enables more accurate separation of dust from spherical pollutants. His most influential paper, “On the spectral depolarisation and lidar ratio of mineral dust” (2018), has garnered 88 citations, establishing key reference values for dust characterization. He also developed a novel methodology to retrieve the single scattering albedo of Asian dust mixed with pollutants by combining multi-wavelength Raman lidar data with depolarisation ratios, allowing for vertical profiling of aerosol optical properties. This work, published in 2014 and 2013, provides critical insights into the radiative effects of complex aerosol mixtures over East Asia. Kim’s research directly supports improved aerosol typing in lidar networks and enhances our understanding of dust–pollution interactions, making his findings essential for climate and air quality modeling.