Johannes J. Viljoen
Papers
1
Total Citations
2
H-Index
1
About
Johannes J. Viljoen is a biological oceanographer whose research focuses on the intersection of satellite remote sensing and in-situ biogeochemical observations to better understand phytoplankton dynamics. His key contributions lie in refining the methods used to estimate primary productivity and ocean health from space. In his highly relevant 2024 work, Viljoen critically re-evaluated the long-standing relationship between surface and depth-integrated chlorophyll-a concentrations, leveraging the unprecedented global dataset from the Biogeochemical-Argo float array. This study, already garnering attention in the field, provides a crucial calibration for satellite ocean colour data, bridging the gap between what we see from orbit and the full three-dimensional structure of the ocean’s base of the food web. By integrating these two powerful observing systems, Viljoen’s work is directly improving our ability to monitor phytoplankton abundance and physiology, which is vital for tracking the impacts of climate change on marine ecosystems and global carbon cycles.
Research Focus
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Top Papers
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