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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 16, issue 5
Atmos. Chem. Phys., 16, 3399–3412, 2016
https://doi.org/10.5194/acp-16-3399-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: HD(CP)2 Observational Prototype Experiment (AMT/ACP...

Atmos. Chem. Phys., 16, 3399–3412, 2016
https://doi.org/10.5194/acp-16-3399-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 15 Mar 2016

Research article | 15 Mar 2016

Evaluating the spatio-temporal performance of sky-imager-based solar irradiance analysis and forecasts

Thomas Schmidt et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Thomas Schmidt on behalf of the Authors (17 Feb 2016)  Author's response
ED: Publish as is (02 Mar 2016) by Herman Russchenberg
Publications Copernicus
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Short summary
We performed an irradiance forecast experiment based on analysis of hemispheric sky images and evaluated results on a large data set of 99 pyranometers distributed over 10 × 12 km. We developed a surface irradiance retrieval from cloud information derived from the images. Very high resolution forecasts were processed up to 25 min. A main finding is that forecast skill is enhanced in complex cloud conditions leading to high variability in surface irradiance.
We performed an irradiance forecast experiment based on analysis of hemispheric sky images and...
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