Articles | Volume 7, issue 3
Earth Syst. Dynam., 7, 597–609, 2016
https://doi.org/10.5194/esd-7-597-2016
Earth Syst. Dynam., 7, 597–609, 2016
https://doi.org/10.5194/esd-7-597-2016

Peer-reviewed comment 13 Jul 2016

Peer-reviewed comment | 13 Jul 2016

Comment on "Scaling regimes and linear/nonlinear responses of last millennium climate to volcanic and solar forcing" by S. Lovejoy and C. Varotsos (2016)

Kristoffer Rypdal and Martin Rypdal

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by Editor) (27 May 2016) by Ben Kravitz
AR by Kristoffer Rypdal on behalf of the Authors (21 Jun 2016)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by Editor) (24 Jun 2016) by Ben Kravitz
AR by Kristoffer Rypdal on behalf of the Authors (25 Jun 2016)  Author's response    Manuscript
ED: Publish as is (27 Jun 2016) by Ben Kravitz
Short summary
This comment on the paper by Lovejoy and Varotsos demonstrates that their methods for establishing nonlinearity in the global temperature response in climate models are flawed. One of their methods is based on an invalid approximation, which when corrected does not falsify the hypothesis that the response is linear. This conclusion is enforced when internal variability in the models are accounted for. The other results in their paper are also shown to be reproduced by linear-response models.
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