Articles | Volume 23, issue 13
https://doi.org/10.5194/acp-23-7673-2023
https://doi.org/10.5194/acp-23-7673-2023
Research article
 | 
13 Jul 2023
Research article |  | 13 Jul 2023

Does prognostic seeding along flight tracks produce the desired effects of cirrus cloud thinning?

Colin Tully, David Neubauer, Diego Villanueva, and Ulrike Lohmann

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This study details the first attempt with a GCM to simulate a fully prognostic aerosol species specifically for cirrus climate intervention. The new approach is in line with the real-world delivery mechanism via aircraft. However, to achieve an appreciable signal from seeding, smaller particles were needed, and their mass emissions needed to be scaled by at least a factor of 100. These biases contributed to either overseeding or small and insignificant effects in response to seeding cirrus.
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