Measurement and analysis of direct sunlight and skylight spectra
Author(s) -
Tingting Cao,
Shirong Luo,
Xiaoyan Zhao,
Huimin Liang,
Hongbo Wang,
Yang Jing-guo
Publication year - 2007
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.56.5554
Subject(s) - skylight , spectral line , extraterrestrial life , sunlight , environmental science , remote sensing , physics , geology , optics , astronomy , geography , archaeology
The extraterrestrial spectrum in the visible wavelength range of 340.5—818.6nm at the height of 9.6 km has been detectedfurthermorethe upper sunlightand skylight spectra have been collected in different regions of Chengdu and Lijiang. The date and diagram indicated that 482.1nm is the hightest point in extraterrestrial direct solar spectra, and that of the extraterrestrial skylight spectra is shifted to 412nm. The skylight spectra registered on sunny and cloudy days are notably different. It was also found that the firn on top the Yulong Mountain has different albedos in different wavebands visible range.
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