Climate of the Past
Climate of the Past
CP
Articles | Volume 20, issue 11
Articles | Volume 20, issue 11
https://doi.org/10.5194/cp-20-2561-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-20-2561-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 11
Research article
 | 
18 Nov 2024
Research article |  | 18 Nov 2024

Diagnosing the controls on desert dust emissions through the Phanerozoic

Yixuan Xie, Daniel J. Lunt, and Paul J. Valdes

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Short summary
Desert dust plays a crucial role in the climate system; while it is relatively well studied for the present day, we still lack knowledge on how it was in the past and on its underlying mechanism in the multi-million-year timescale of Earth’s history. For the first time, we simulate dust emissions using the newly developed DUSTY1.0 model over the past 540 million years with a temporal resolution of ~5 million years. We find that palaeogeography is the primary control of these variations.
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