Based on the Doppler Sodar data and radiosonde data observed in Huangsi meteorological observation station of Xingtai, Hebei during 1 May to 15 June in 2016, the correlation of Doppler Sodar data and radiosonde data and the wind field characteristics near surface boundary layer are analyzed.The results indicate that:There is a good correlation between Doppler Sodar data and radiosonde data, and the correlation of Sodar and radiosonde data from Graw and station are better than the correlation of Sodar and tethered balloon, the Doppler Sodar data can be used to analyze the wind field characteristics of the study area and also can be used as the supplemental data for other application; According to the analysis of wind field characteristics, the mountain-valley breeze was significant in this area, the valley breeze prevailed at local time from 09:00 to 20:00 with larger vertical wind speed and strong convection when the wind was blow from east, the mountain breeze prevailed at local time from 21:00 to 08:00 with small vertical wind speed when the wind was blow from west; On the vertical structure, the wind was blow from east or west in 30~50 m height and been weakened with increased height, the wind was blow from southeast and northeast beyond 50 m height, and the large wind speed ratio and the average wind speed increased gradually with height; The vertical wind speed were mainly between -0.1~0.1 m·s-1 which means that most of the time convection was weak, with zero value of shaft, left and right sides was symmetrical which means that the frequency of updraft and downdraft was similar.Besides, according to the percentage of good quality wind observations by Sodar as a function of range gate, the ability of Sodar to detect atmospheric wind speed that more than 400 m height is limited, other wind profile instruments are necessary to study the dynamics and thermodynamic characteristics of atmospheric boundary layer.
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