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Light spectra measured inside the AIDA aerosol and cloud simulation chamber

Vallon, Magdalena; Gao, Linyu ORCID iD icon; Jiang, Feng ORCID iD icon; Krumm, Bianca; Nadolny, Jens; Song, Junwei ORCID iD icon; Leisner, Thomas ORCID iD icon; Saathoff, Harald ORCID iD icon

Abstract:

Spektren der Lichtquelle in der AIDA Aerosol und Wolkenkammer

Abstract (englisch):

ADDITIONAL INFORMATION ON THE SPECTRAL LIGHT MEASUREMENTS IN THE AIDA AEROSOL AND CLOUD SIMULATION CHAMBER TO CHARACTERIZE AN LED BASED SOLAR SIMULATOR


Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung Atmosphärische Aerosolforschung (IMKAAF)
Publikationstyp Forschungsdaten
Publikationsdatum 28.02.2022
Erstellungsdatum 20.11.2021
Identifikator DOI: 10.5445/IR/1000143326
KITopen-ID: 1000143326
HGF-Programm 12.11.12 (POF IV, LK 01) Atmospheric chemistry processes
Weitere HGF-Programme 12.11.26 (POF IV, LK 01) Aerosol-Cloud-Climate-Interaction
Lizenz Creative Commons Namensnennung – Nicht kommerziell – Keine Bearbeitungen 4.0 International
Externe Relationen Abstract/Volltext
Schlagwörter AIDA Lichtquelle
Liesmich

The spectra were measured on January 9th, 2020 at the heights above the chamber bottom of 1 m, 2.1 m, 2.9 m and 4.0 m with an uncertainty of ±10 cm in the center of the chamber with an Opsytec SR Pro UV-Vis Spectrometer connected to a UV-diffusor in W m-2 (spectral resolution: 2.3 nm (FHWM)) . The Opsytec SR Pro UV-Vis Spectrometer had been calibrated on December 11th, 2019 by Opsytec Dr. Gröbel GmbH showing spectral differences of less than 0.3 nm and an accuracy of ±9% for the radiometric results. The AIDA light source was operated at the highest output possible at room temperature for this characterization. Drastic outliers were considered as measurement artefacts and replaced by the median. The median was calculated with 15 points and every point exceeding the median by a threshold of 0.04 was replaced with the median. This resulted in the replacement of at most 21 out of the 2048 data points and does not change the general spectral information. The data measured at different heights were saved as a space separated text file: SRPro-central-measurements-20200109.txt. Please note that these data are related to the following publication in the AMT Special Issue: Simulation chambers as tools in atmospheric research:
Vallon, M., Gao, L., Jiang, F., Krumm, B., Nadolny, J., Song, J., Leisner, T., and Saathoff, H.: LED based solar simulator to study photochemistry over a wide temperature range in the large simulation chamber AIDA, Atmos. Meas. Tech. Discuss. [preprint], https://doi.org/10.5194/amt-2021-362, in review, 2021.

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