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About

Ulrike Lohmann is a leading atmospheric scientist whose research has fundamentally advanced our understanding of how aerosols influence climate. Her work centers on the complex interactions between aerosol particles—including sulfate, organic carbon, black carbon, sea salt, and dust—and the Earth's radiative balance. A key contribution has been her pioneering use of observational data to improve global climate models. By integrating measurements from the Aerosol Robotic Network (AERONET) and satellite instruments like MODIS, she has developed methods to replace fixed aerosol size assumptions with geographically varying, data-driven parameters. This innovation, detailed in her highly cited 2003 paper (over 320 citations), dramatically improves the accuracy of modeled aerosol radiative effects. Her research has been instrumental in constraining the poorly understood role of aerosol size in climate forcing, providing critical insights into both the direct scattering and absorption of sunlight and the indirect effects on cloud formation. Lohmann’s work stands as a cornerstone for modern climate modeling, bridging the gap between ground-based observations and global simulations.