Articles | Volume 9, issue 4
Atmos. Meas. Tech., 9, 1601–1612, 2016
https://doi.org/10.5194/amt-9-1601-2016
Atmos. Meas. Tech., 9, 1601–1612, 2016
https://doi.org/10.5194/amt-9-1601-2016

Research article 12 Apr 2016

Research article | 12 Apr 2016

Calibration methods for rotating shadowband irradiometers and optimizing the calibration duration

Wilko Jessen et al.

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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.