Coherent Structures in the Atmospheric Boundary Layer Measured by Dual Doppler Lidar

Abstract

Coherent structures describe quasi-periodic patterns in the turbulent atmospheric wind field. They have an impact an atmospheric fluxes and transport processes. Using Dual-Doppler Lidar techniques enables to measure the horizontal wind field with a high temporal and spatial resolution. Comparing characterization data to meteorological recordings allows to asses triggering mechanisms for the formation of coherent structures in the atmospheric surface layer.