Keith Evans
Papers
2
Total Citations
90
H-Index
2
About
Keith Evans is a leading figure in atmospheric physics, with a focused expertise in cloud remote sensing and radiative transfer. His most influential work centers on developing innovative methods to retrieve cloud optical depth, a critical parameter for understanding Earth's energy balance and climate. Evans is best known for pioneering the "RED versus NIR" plane technique, which uses ground-based measurements of zenith radiance in the red and near-infrared spectral regions to accurately determine the optical depth of broken clouds. This breakthrough directly addressed the long-standing challenge that zenith radiance lacks a one-to-one relationship with optical depth, making monochromatic retrievals impossible. His seminal 2004 paper on this method has garnered 50 citations, while a refined 2013 version has accumulated 40 citations, demonstrating the sustained impact of his work. By enabling more reliable cloud property retrievals from the ground, Evans’ contributions have provided essential validation data for satellite missions and improved our understanding of how clouds modulate solar radiation. His research remains a cornerstone for students and scientists working on cloud-aerosol interactions and climate modeling.
Research Focus
Key Achievements
Top Papers
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