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30 April 2024 Comparison of refractive index structure constants in different models within the atmospheric boundary layer
Liu Ying, Luo Tao, Shao Shiyong, Zhu LiMing, Zhang HanJiu, Li XueBing, Weng NingQuan
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Proceedings Volume 13157, Sixth Conference on Frontiers in Optical Imaging and Technology: Applications of Imaging Technologies; 131570R (2024) https://doi.org/10.1117/12.3017740
Event: Sixth Conference on Frontiers in Optical Imaging Technology and Applications (FOI2023), 2023, Nanjing, JS, China
Abstract
The atmospheric boundary layer is the layer most closely associated with human life, and the occurrence and development of atmospheric optical turbulence in the atmospheric boundary layer are of great significance for atmospheric optical transport, etc. Meanwhile, the study of optical turbulence in the whole ocean environment is also of vital importance, and it is important to statistically analyze the variations of the atmospheric optical turbulence parameters by using the existing optical turbulence models due to the lack of ocean data. In this paper, the atmospheric turbulence parameters are estimated by different external scale models (HMNSP99, Dewan, HV and WSTG models), and the atmospheric refractive index structure constant（C2n） computed by different models are compared by using the coastal sounding measured data, through error analysis and correlation studies, it has been found that the HV model changes with height in the atmospheric boundary layer, but cannot reflect the characteristics of the change of C2n well. The HMNSP99 model is about one order of magnitude smaller than the measured data, while the WSTG model is about one order of magnitude larger than the measured data. However, the trends of the two models are in good agreement. In contrast, the Dewan model and the HMNSP99 model show good consistency with the measured data, and the correlation is above 0.6. The Dewan and HMNSP99 model are closer in magnitude to the measured data, therefore, when studying optical turbulence parameters in the atmospheric boundary layer, the Dewan and HMNSP99 models are more reliable. They can also provide key indicators for optical turbulence prediction and astronomical site selection.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Liu Ying, Luo Tao, Shao Shiyong, Zhu LiMing, Zhang HanJiu, Li XueBing, and Weng NingQuan "Comparison of refractive index structure constants in different models within the atmospheric boundary layer", Proc. SPIE 13157, Sixth Conference on Frontiers in Optical Imaging and Technology: Applications of Imaging Technologies, 131570R (30 April 2024); https://doi.org/10.1117/12.3017740
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KEYWORDS
Atmospheric modeling
Data modeling
Atmospheric optics
Optical turbulence
Error analysis
Turbulence
Statistical modeling
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