Articles | Volume 24, issue 1
https://doi.org/10.5194/npg-24-101-2017
https://doi.org/10.5194/npg-24-101-2017
Research article
 | 
22 Feb 2017
Research article |  | 22 Feb 2017

Conditional nonlinear optimal perturbations based on the particle swarm optimization and their applications to the predictability problems

Qin Zheng, Zubin Yang, Jianxin Sha, and Jun Yan

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Zubin Yang on behalf of the Authors (18 Jan 2017)  Author's response    Manuscript
ED: Publish as is (01 Feb 2017) by Jinqiao Duan
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Short summary
When the initial perturbation is large or the prediction time is long, the strong nonlinearity of the dynamical model on the prediction variable will lead to failure of the ADJ-CNOP method; when the objective function has multiple extreme values, ADJ-CNOP has a large probability of producing local CNOPs, hence making false estimations of the lower bound of maximum predictable time.