Articles | Volume 9, issue 8
https://doi.org/10.5194/amt-9-4123-2016
https://doi.org/10.5194/amt-9-4123-2016
Research article
 | 
29 Aug 2016
Research article |  | 29 Aug 2016

Errors in radial velocity variance from Doppler wind lidar

H. Wang, R. J. Barthelmie, P. Doubrawa, and S. C. Pryor

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Short summary
This paper investigates how long a sampling duration of lidar measurements should be in order to accurately estimate radial velocity variance to obtain turbulence statistics. Using observations and statistical simulations, it is demonstrated that large probe volumes in lidar measurements increase the autocorrelation values, and consequently the uncertainty in radial velocity variance estimates. It is further shown that the random error can exceed 10 % for 30–60 min sampling duration.