Effects of cirrus clouds on atmospheric background radiation and transmittance

Xiaolin Sun; Lu Bai; Ligong Zhang

doi:10.1117/12.2654815

15 December 2022 Effects of cirrus clouds on atmospheric background radiation and transmittance

Xiaolin Sun, Lu Bai, Ligong Zhang

Proceedings Volume 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022); 1247838 (2022) https://doi.org/10.1117/12.2654815
Event: Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 2022, Xi'an, China

Abstract

Based on atmospheric background radiation, the radiation transfer equation is derived and solved by discrete coordinate method. The atmospheric background radiance and atmospheric transmittance are calculated in visible light, short-wave infrared and near-infrared bands (0.4 to 2.5μm) under space-based satellite detection and ground-based observation modes respectively, and the influence of cloud distribution on atmospheric background radiance is summarized and analyzed. The results show that the influence of clouds on atmospheric transmittance is related to zenith Angle under ground-based detection conditions, and the influence of cirrus clouds on atmospheric transmittance increases gradually with the increase of zenith Angle under most bands.

Citation Download Citation

Xiaolin Sun, Lu Bai, and Ligong Zhang "Effects of cirrus clouds on atmospheric background radiation and transmittance", Proc. SPIE 12478, Thirteenth International Conference on Information Optics and Photonics (CIOP 2022), 1247838 (15 December 2022); https://doi.org/10.1117/12.2654815

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