Measurement of the spatial distribution of atmospheric turbulence with SCINDAR on a mosaic of urban surfaces

K.-L. Nguyen; C. Robert; J.-M. Conan; L. M. Mugnier; J.-M. Cohard; M. Irvine; J.-P. Lagouarde

doi:10.1117/12.2279446

9 October 2017 Measurement of the spatial distribution of atmospheric turbulence with SCINDAR on a mosaic of urban surfaces

K.-L. Nguyen, C. Robert, J.-M. Conan, L. M. Mugnier, J.-M. Cohard, M. Irvine, J.-P. Lagouarde

Author Affiliations +

Proceedings Volume 10425, Optics in Atmospheric Propagation and Adaptive Systems XX; 104250L (2017) https://doi.org/10.1117/12.2279446
Event: SPIE Remote Sensing, 2017, Warsaw, Poland

Abstract

Two experiments of urban scintillometry were performed recently. Their objective was to study the SCINDAR Cn² profiler performance on a composite urbanforest ground. The SCINDAR provides horizontal Cn² profiles with a few hundred meter profile resolution. Several improvements in data processing are reported: the choice of the spatial resolution of the profile and the hyper-parameters adjustment for Cn² regularization. The distributed Cn² values along the optical path are estimated every minute with small error bars. Their non-uniformity is shown to be consistent with the differences of the line of sight to ground and the coverage of the terrain. The SCINDAR data are also in the same order of magnitude with the three scintillometer data that were simultaneously recorded.

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K.-L. Nguyen, C. Robert, J.-M. Conan, L. M. Mugnier, J.-M. Cohard, M. Irvine, and J.-P. Lagouarde "Measurement of the spatial distribution of atmospheric turbulence with SCINDAR on a mosaic of urban surfaces", Proc. SPIE 10425, Optics in Atmospheric Propagation and Adaptive Systems XX, 104250L (9 October 2017); https://doi.org/10.1117/12.2279446

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