Randall S. Johnson
Papers
2
Total Citations
152
H-Index
2
About
Randall S. Johnson is a leading figure in satellite aerosol remote sensing and data assimilation, whose work has fundamentally advanced our understanding of aerosol transport and distribution in the Earth’s atmosphere. His research focuses on resolving critical uncertainties in satellite-derived aerosol optical depth (AOD), particularly over challenging surfaces like the Southern Oceans. Johnson’s highly cited 2013 study (84 citations) systematically investigated the long-standing "enhanced AOD" artifact over mid-to-high latitude oceans, using intercomparisons with CALIOP, MAN, and AERONET data to pinpoint retrieval biases in MODIS products. This work has been essential for improving passive satellite retrievals and ensuring data reliability for climate studies. In his equally impactful 2014 paper (68 citations), Johnson pioneered the evaluation of multisensor data assimilation—integrating quality-assured MODIS Dark Target, Deep Blue, MISR, and CALIOP products into the U.S. Navy Aerosol Analysis and Prediction System. This demonstrated how combining diverse satellite observations can dramatically improve global aerosol transport models, directly benefiting air quality forecasting, climate modeling, and naval operations. Through these contributions, Johnson has established himself as a key architect of modern aerosol data systems.
Research Focus
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Top Papers
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