Articles | Volume 18, issue 2
Research article
19 Jan 2018
Research article |  | 19 Jan 2018

Exploring the observational constraints on the simulation of brown carbon

Xuan Wang, Colette L. Heald, Jiumeng Liu, Rodney J. Weber, Pedro Campuzano-Jost, Jose L. Jimenez, Joshua P. Schwarz, and Anne E. Perring


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Saved (final revised paper)

Latest update: 25 Feb 2024
Short summary
Brown carbon (BrC) contributes significantly to uncertainty in estimating the global direct radiative effect (DRE) of aerosols. We develop a global model simulation of BrC and test it against BrC absorption measurements from two aircraft campaigns in the continental United States. We suggest that BrC DRE has been overestimated previously due to the lack of observational constraints from direct measurements and omission of the effects of photochemical whitening.
Final-revised paper