Browsing by Author "Iungo, Giacomo V. ."
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Item Assessment of Virtual Towers Performed with Scanning Wind Lidars and Ka-Band Radars during the XPIA Experiment(Copernicus GmbH) Debnath, Mithu; Iungo, Giacomo V. .; Brewer, W. Alan; Choukulkar, A.; Delgado, R.; Gunter, S.; Lundquist, J. K.; Schroeder, J. L.; Wilczak, J. M.; Wolfe, D.; Debnath, Mithu; Iungo, Giacomo V. .During the eXperimental Planetary boundary layer Instrumentation Assessment (XPIA) campaign, which was carried out at the Boulder Atmospheric Observatory (BAO) in spring 2015, multiple-Doppler scanning strategies were carried out with scanning wind lidars and Ka-band radars. Specifically, step-stare measurements were collected simultaneously with three scanning Doppler lidars, while two scanning Ka-band radars carried out simultaneous range height indicator (RHI) scans. The XPIA experiment provided the unique opportunity to compare directly virtual-tower measurements performed simultaneously with Ka-band radars and Doppler wind lidars. Furthermore, multiple-Doppler measurements were assessed against sonic anemometer data acquired from the meteorological tower (met-tower) present at the BAO site and a lidar wind profiler. This survey shows that-despite the different technologies, measurement volumes and sampling periods used for the lidar and radar measurements - a very good accuracy is achieved for both remote-sensing techniques for probing horizontal wind speed and wind direction with the virtual-tower scanning technique.