Calibration methods for rotating shadowband irradiometers and optimizing the  calibration duration

Jessen, Wilko; Wilbert, Stefan; Nouri, Bijan; Geuder, Norbert; Fritz, Holger

doi:https://doi.org/10.5194/amt-9-1601-2016

Articles | Volume 9, issue 4

https://doi.org/10.5194/amt-9-1601-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-9-1601-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 4

Research article

|

12 Apr 2016

Research article |

| 12 Apr 2016

Calibration methods for rotating shadowband irradiometers and optimizing the calibration duration

Wilko Jessen, Stefan Wilbert, Bijan Nouri, Norbert Geuder, and Holger Fritz

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Final revised paper (published on 12 Apr 2016)
Preprint (discussion started on 06 Oct 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C4483: 'Calibrating methods for rotating shadowband irradiometers and evaluation of calibration duration. AMTD 8 10249-10282 2015', Roger Clay, 23 Dec 2015
- AC C5551: 'Please find our reply in the attached .pdf file', Wilko Jessen, 27 Feb 2016
RC C4813: 'comments on Calibration methods for rotating shadowband irradiometers and evaluation of calibration duration', Frank Vignola, 11 Jan 2016
- AC C5552: 'Please find our reply in the attached .pdf file', Wilko Jessen, 27 Feb 2016
AC C5550: 'marked-up revised manuscript', Wilko Jessen, 27 Feb 2016

Short summary

This paper covers procedures and requirements of two calibration methods and examines the necessary duration of acquisition of test measurements. Site-specific seasonal changes of environmental conditions cause small but noticeable fluctuation of calibration results. Calibration results within certain periods show a higher likelihood of deviation. These effects can partially be attenuated by including more measurements from outside these periods.