Ja‐Ho Koo

Yonsei University, University of Toronto

Papers

Total Citations

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About

Dr. Ja-Ho Koo is a leading atmospheric scientist whose research focuses on the remote sensing of aerosols and their climatic impacts, with a particular emphasis on ultraviolet (UV) spectral retrievals and long-term aerosol trends. His most cited work, "Ground-based retrievals of aerosol column absorption in the UV spectral region and their implications for GEMS measurements" (2020, 24 citations), provides a critical methodological foundation for interpreting data from the Geostationary Environment Monitoring Spectrometer (GEMS), a pioneering satellite instrument. In this study, Dr. Koo developed techniques to accurately retrieve aerosol absorption properties from ground-based observations, directly enabling improved air quality monitoring across Asia. His earlier work, "Trend estimates of AERONET-observed and model-simulated AOTs between 1993 and 2013" (2015, 2 citations), addressed a key challenge in aerosol science: the bias introduced by using arithmetic means to analyze right-skewed Aerosol Optical Thickness (AOT) distributions. By proposing more robust statistical approaches, Dr. Koo’s research has advanced our understanding of how aerosol loads have changed over two decades, bridging gaps between ground-based networks, satellite observations, and climate models. His contributions are essential for improving both short-term air quality forecasts and long-term climate projections.