Articles | Volume 25, issue 1
Research article
26 Jan 2018
Research article |  | 26 Jan 2018

On the intrinsic timescales of temporal variability in measurements of the surface solar radiation

Marc Bengulescu, Philippe Blanc, and Lucien Wald


Interactive discussion

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
AR by Lucien Wald on behalf of the Authors (28 Sep 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (23 Oct 2017) by Ioulia Tchiguirinskaia
RR by Anonymous Referee #1 (03 Nov 2017)
ED: Publish as is (10 Dec 2017) by Ioulia Tchiguirinskaia
AR by Lucien Wald on behalf of the Authors (14 Dec 2017)  Manuscript 
Short summary
We employ the Hilbert–Huang transform to study the temporal variability in time series of daily means of the surface solar irradiance (SSI) at different locations around the world. The data have a significant spectral peak corresponding to the yearly variability cycle and feature quasi-stochastic high-frequency "weather noise", irrespective of the geographical location or of the local climate. Our findings can improve models for estimating SSI from satellite images or forecasts of the SSI.