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MEASUREMENTS OF THE REFLECTIVITY IN THE ULTRAVIOLET AND VISIBLE WAVELENGTH RANGE IN A MOUNTAINOUS REGION

机译:山区的紫外线和可见光波长范围内的反射率测量

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摘要

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 4 when the orientation of the facet is favourable.
机译:在欧盟项目CUVRA的范围内,对楚格峰(2964 m)周围区域的反射率分布进行了测量。通过使用CCD照相机和UVA传感器在UVA和可见光范围内进行反照率测量。显示了周围区域可见波长范围内反照率分布的初步结果。研究了雪,岩石和植被的反射率及其对照明的依赖性。当小面的方向有利时,雪面的反射率在阴影中介于0.4和最大4之间。

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