Measurements of the Reflectivity in the Ultraviolet and Visible Wavelength Range in a Mountainous Region

The reflectivity distribution of the surrounding area of Zugspitze (2964 m) was measured within the scope of the EU project CUVRA. The albedo measurements were performed in the UVA and visible range by using a CCD camera and a UVA sensor. First results of the albedo distribution in the visible wavel...

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Bibliographic Details
Published in:Radiation protection dosimetry 2000-01, Vol.91 (1-3), p.193-195
Main Authors: Weihs, P., Rengarajan, G., Simic, S., Laube, W., Mikielewicz, W.
Format: Article
Language:English
Subjects:
Applied radiobiology (equipment, dosimetry...)
Biological and medical sciences
Biological effects of radiation
Ergonomics. Workplace layout. Occupational psychology
Fundamental and applied biological sciences. Psychology
Medical sciences
Occupational medicine
Occupational psychology
Public health. Hygiene-occupational medicine
Tissues, organs and organisms biophysics
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Summary:The reflectivity distribution of the surrounding area of Zugspitze (2964 m) was measured within the scope of the EU project CUVRA. The albedo measurements were performed in the UVA and visible range by using a CCD camera and a UVA sensor. First results of the albedo distribution in the visible wavelength range of the surrounding areas are shown. The reflectivity of snow, rocks and of vegetation and its dependence on illumination are studied. The albedo of snow surfaces ranges between 0.4 in the shade and values up to 2 when the orientation of the facet is favourable. Reflectivity of rocks and forests lies between 0.1 and 0.25. Further work on the albedo in the UV wavelength range will be carried out. First, a relationship between UV albedo and visible albedo will be established.
ISSN:0144-8420
1742-3406
DOI:10.1093/oxfordjournals.rpd.a033198