Abstract
Small-scale turbulent fluctuations of temperature are known to affect the propagation of both electromagnetic and acoustic waves. Within the inertial-subrange scale, where the turbulence is locally homogeneous and isotropic, these temperature perturbations can be described, in a statistical sense, using the structure-function parameter for temperature, \(C_{T}^2\). Here we investigate different methods of evaluating \(C_{T}^2\), using data from a numerical large-eddy simulation together with atmospheric observations collected by an unmanned aerial system and a sodar. An example case using data from a late afternoon unmanned aerial system flight on April 24 2013 and corresponding large-eddy simulation data is presented and discussed.
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The National Science Foundation (NSF) is acknowledged for the support of the reported study through the Grant ATM-1016153. The authors acknowledge the three anonymous reviewers whose suggestions substantially improved the manuscript.
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Wainwright, C.E., Bonin, T.A., Chilson, P.B. et al. Methods for Evaluating the Temperature Structure-Function Parameter Using Unmanned Aerial Systems and Large-Eddy Simulation. Boundary-Layer Meteorol 155, 189–208 (2015). https://doi.org/10.1007/s10546-014-0001-9
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DOI: https://doi.org/10.1007/s10546-014-0001-9