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Open Access Green as soon as Postprint is submitted to ZB.
Spectral shaping of artificial UV-B irradiation for vegetation stress research.
J. Plant Physiol. 148, 115-119 (1996)
Ecological plant experiments using artificial light sources require careful shaping of the spectral irradiance. This includes the steep UV-absorption characteristics resulting from the filtering of solar radiation by atmospheric ozone. Borosilicate and soda-lime glass filters screen radiation very similarly to ozone. They have a high mechanical stability and are available in large filter sheets and are, therefore, suited for the simulation of future scenarios of enhanced solar UV-B radiation in large scale vegetation stress experiments. Although such filters meet many requirements of light engineering, there are limitations due to the slope of the UV-edge and due to solarisation effects. Thus, the interpretation of the artifical radiation spectra and their comparison to UV scenarios of decreasing stratospheric ozone need careful discussion. Different methods to classify spectra of artificial UV-radiation are presented, and a new classification by a cut-off wavelength of the UV-edge and its slope is introduced.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
ultraviolet-B; filter materials; global radiation; global change; vegetation stress; sun simulator; ozone absorption
ISSN (print) / ISBN
0176-1617
e-ISSN
1618-1328
Journal
Journal of Plant Physiology
Quellenangaben
Volume: 148,
Issue: 1-2,
Pages: 115-119
Publisher
Elsevier
Reviewing status
Peer reviewed
Institute(s)
Research Unit Environmental Simulation (EUS)