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Abstract
Ocean University of China lidar team operated a pulse coherent Doppler lidar (PCDL) for the low level wind shear monitoring at the Beijing Capital International Airport (BCIA) in 2015. The experiment configuration, observation modes is presented. A case study shows that the low level wind shear events at the southern end of 18R/36L runway were mainly caused by the trees and buildings along the glide path under strong northwest wind conditions.
Highlights
A case study shows that the low level wind shear events at the southern end of 18R/36L runway were mainly caused by the trees and buildings along the glide path under strong northwest wind conditions
Wind speed profiles are effective tools to illustrate the wind speed varying with height, it is useful to identify the wind shear occurring at different height
Wind speed retrieved from the PPI scan data is related to the intercept angle between the laser beam pointing direction and the prevailing wind
Summary
A case study shows that the low level wind shear events at the southern end of 18R/36L runway were mainly caused by the trees and buildings along the glide path under strong northwest wind conditions. Effective wind shear alarm systems speed measurement accuracy is 0.1 m/s. Qualification Spatial Resolution (Transverse)* Radial Spatial Resolution Measurement Range** LOS Velocity Update Rate Wind Profile Update Rate
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