Christer Johansson

Papers

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About

Christer Johansson is a leading environmental scientist whose research focuses on atmospheric aerosols, air quality, and the application of satellite remote sensing to environmental monitoring. His major contributions lie in bridging satellite observations with ground-based measurements to assess and quantify aerosol pollution and its trends. Notably, his work on "Trends in MODIS and AERONET derived aerosol optical thickness over Northern Europe" (2019, 18 citations) provides critical long-term analysis of aerosol optical thickness (AOT) across the region, combining multiple satellite data collections with AERONET ground-truth to reveal decadal changes. This study is foundational for understanding climate and air quality interactions in Northern Europe. Additionally, his earlier influential paper "Estimating PM2.5 over southern Sweden using space-borne optical measurements" (2009, 17 citations) pioneered methods for deriving fine particulate matter concentrations from satellite data, directly linking space-based observations to public health-relevant metrics. Through these works, Johansson has demonstrated how satellite remote sensing can be validated and refined using ground networks, enabling more accurate regional air quality assessments. His research has significant implications for environmental policy, climate modeling, and public health protection, establishing him as a key figure in the integration of satellite and in-situ aerosol monitoring.