Zuber, R.; Sperfeld, P.; Riechelmann, S.; Nevas, S.; Sildoja, M. et al.: Adaption of an array spectroradiometer for total ozone column retrieval using direct solar irradiance measurements in the UV spectral range. In: Atmospheric Measurement Techniques 11 (2018), Nr. 4, S. 2477-2484. DOI: https://doi.org/10.5194/amt-11-2477-2018
Zusammenfassung: | |
A compact array spectroradiometer that enables precise and robust measurements of solar UV spectral direct irradiance is presented. We show that this instrument can retrieve total ozone column (TOC) accurately. The internal stray light, which is often the limiting factor for measurements in the UV spectral range and increases the uncertainty for TOC analysis, is physically reduced so that no other stray-light reduction methods, such as mathematical corrections, are necessary. The instrument has been extensively characterised at the Physikalisch-Technische Bundesanstalt (PTB) in Germany. During an international total ozone measurement intercomparison at the Izaña Atmospheric Observatory in Tenerife, the high-quality applicability of the instrument was verified with measurements of the direct solar irradiance and subsequent TOC evaluations based on the spectral data measured between 12 and 30 September 2016. The results showed deviations of the TOC of less than 1.5% from most other instruments in most situations and not exceeding 3% from established TOC measurement systems such as Dobson or Brewer. © 2018 Author(s). | |
Lizenzbestimmungen: | CC BY 4.0 Unported |
Publikationstyp: | Article |
Publikationsstatus: | publishedVersion |
Erstveröffentlichung: | 2018 |
Die Publikation erscheint in Sammlung(en): | Fakultät für Mathematik und Physik |
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