Long-term measurements of refractive index structure constant in atmospheric boundary layer

Otakar Jicha; Pavel Pechac; Stanislav Zvanovec; Martin Grabner; Vaclav Kvicera

doi:10.1117/12.974422

1 November 2012 Long-term measurements of refractive index structure constant in atmospheric boundary layer

Otakar Jicha, Pavel Pechac, Stanislav Zvanovec, Martin Grabner, Vaclav Kvicera

Proceedings Volume 8535, Optics in Atmospheric Propagation and Adaptive Systems XV; 853509 (2012) https://doi.org/10.1117/12.974422
Event: SPIE Remote Sensing, 2012, Edinburgh, United Kingdom

Abstract

Results of long-term measurements of the refractive index structure constant in the boundary layer are introduced. The measurements were made on a 150-meter-high lattice mast equipped by nineteen meteorological sensors and one pressure sensor at the bottom of the mast. The Kolmogorov statistical theory of turbulence was used to calculate the refractive index structure constant C²_n, allowing us to present annual cumulative distribution functions (CDFs) and seasonal quantiles. The quantiles of measured height dependence of the refractive index structure constant are also shown and compared with existing models (Hufnagel/Andrews/Phillips, SLC Day and Gurvich). Parameters of a linear model were calculated to fit the measured median height profile of the refractive index structure constant with the uncertainty of measurements also being addressed.

Citation Download Citation

Otakar Jicha, Pavel Pechac, Stanislav Zvanovec, Martin Grabner, and Vaclav Kvicera "Long-term measurements of refractive index structure constant in atmospheric boundary layer", Proc. SPIE 8535, Optics in Atmospheric Propagation and Adaptive Systems XV, 853509 (1 November 2012); https://doi.org/10.1117/12.974422

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