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Long-term experiment VERTURM (vertical turbulence measurements): Comparison of measurements and modeling of the vertical distribution of optical turbulence Cn 2 in the surface layer

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Author: Sprung, D. · Grossmann, P. · Sucher, E. · Eijk, A.M.J. van · Stein, K.
Publisher: SPIE
Source:Gladysz S.Stein K.U., Optics in Atmospheric Propagation and Adaptive Systems XX 2017. 13 September 2017 through 14 September 2017, 10425
Proceedings of SPIE - The International Society for Optical Engineering
Identifier: 784902
ISBN: 9781510613140
Article number: 1042508
Keywords: Atmospheric surface layer · Micrometeorological model · Optical turbulence · Vertical profile · Adaptive optics · Adaptive systems · Atmospheric structure · Atmospheric turbulence · Atmospheric surface layers · Comparison of measurements · Electro-optical systems · Monin-Obukhov similarity theory · Optical turbulence · Turbulence measurements · Vertical distributions · Vertical profile · Atmospheric thermodynamics · 2015 Observation, Weapon & Protection Systems · ED - Electronic Defence · TS - Technical Sciences


Operation and design of electro-optical systems are affected by atmospheric turbulence, quantified by refractive structure function parameter Cn 2. The long-term VerTurM experiment at a rural site in Northwestern Germany served to collect an extended dataset of vertical profiles of Cn 2 values up to 64 meters, completed by a characterization of the surface layer meteorology. A micrometeorological model in terms of the Monin-Obukhov similarity theory (MOST) was developed to predict the values of Cn 2 and its results were compared to the measurements. © Copyright 2017 SPIE. The Society of Photo-Optical Instrumentation Engineers (SPIE)