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  • Quality assurance of spectral ultraviolet measurements in Europe through the development of a transportable unit (QASUME), Report of site visits, Round 2002


QASUME is a European Commission funded project that aims to develop and test a transportable spectrometer system for providing quality assurance to solar ultraviolet (UV) spectroradiometric measurements in Europe. The underpinning idea is to perform the comparisons at the home sites of the instruments, thus avoiding the risks of transporting instruments to participate in intercomparison campaigns. Spectral measurements obtained at each of the stations will be compared, following detailed and objective comparison protocols, against collocated measurements performed by a thoroughly tested and validated travelling unit.

The transportable unit comprises a spectroradiometer (B5503), its calibrator with a set of calibration lamps traceable to the primary standard of a Standards Laboratory, and devices for the determination of the slit function and the angular response of the local spectroradiometer. Thus it will be possible to certify the quality of the measurements obtained by each instrument, as well as the status of each station�s calibration standards.

The home site of the travelling standard B5503 is the European Reference Centre for ultraviolet radiation measurements (ECUV), located at the Joint Research Centre (JRC) of the European Commission in ISPRA, Italy.

Additional information

Authors: KAZADZIS S, Aristotle University of Thessaloniki, Thessaloniki (GR);BAIS A F, Aristotle University of Thessaloniki, Thessaloniki (GR);SCHREDER J, Schreder-CMS, Kirchbichl (AT);BLUMENTHALER M, University of Innsbruck, Innsbruck (AT);KOSKELA T, Finnish Meteorological Institute, Helsinki (FI);SECKMEYER G, University of Hannover, Hannover (DE);WUTTKE S, University of Hannover, Hannover (DE);WEBBA R, University of Manchester institute of Science and Technology, Manchester (UK);GRÖBNER J, Joint Research Centre, European Commission, Brussels (BE);GÖRTS P, National Institute of Public Health and the Environment, Bilthoven (NL)
Bibliographic Reference: EUR 20991 EN (2003), various paging. Free of charge
Availability: Available from European Commission, JRC Knowledge Management Unit, Ispra (IT) Tel: +39-033278-9843 or +39-033278-9864 Fax: +39-033278-9623 E-mail:
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