Boundary layer characteristics on cloudless days in Beijing based on UHF wind-profiler and related observations with possible explanation

Yufang Tian1,2, Daren Lu3, Yongheng Bi3 and Wenjing Xu3,4, (1)Institute of Atmospheric Physics, Chinese Academy of Sciences, LAGEO, Beijing, China, (2)University of Chinese Academy of Sciences, Beijing, China, (3)Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (4)Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, Deep Sea Science Division, Sanya, China