Characteristics of optical turbulence over the sea

Erik Sucher; Sven Binsbergen; Carmen Ullwer; Detlev Sprung; Alexander M.J. van Eijk; Karin Stein

doi:10.1117/12.2636241

26 October 2022 Characteristics of optical turbulence over the sea

Erik Sucher, Sven Binsbergen, Carmen Ullwer, Detlev Sprung, Alexander M.J. van Eijk, Karin Stein

Proceedings Volume 12266, Environmental Effects on Light Propagation and Adaptive Systems V; 1226605 (2022) https://doi.org/10.1117/12.2636241
Event: SPIE Remote Sensing, 2022, Berlin, Germany

Abstract

The investigation of transmission, refraction, and turbulence over the False Bay in South Africa and their influence on wave propagation was the main topic of First European South African Transmission ExpeRiment (FESTER). It yielded a 9-month continuous dataset of turbulence (Cn2) data, acquired by three Boundary Layer Scintillometers (BLS) and one ultrasonic anemometer. The data is analysed in terms of atmospheric stability, and relations are sought between the atmospheric state and the power spectrum of turbulence on the one hand, and the vertical gradients of turbulence strength on the other hand. This allows us to test various parameterizations of the z/L function, not only against experimental data, but also against numerical weather prediction (NWP) data. This work extends our previous analysis of specific case studies of the FESTER dataset.

Conference Presentation

Citation Download Citation

Erik Sucher, Sven Binsbergen, Carmen Ullwer, Detlev Sprung, Alexander M.J. van Eijk, and Karin Stein "Characteristics of optical turbulence over the sea", Proc. SPIE 12266, Environmental Effects on Light Propagation and Adaptive Systems V, 1226605 (26 October 2022); https://doi.org/10.1117/12.2636241

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