Fig. 1. Absorption efficient of oxygen in range from 759.5 nm to 760.5 nm under different conditions

Fig. 2. Absorption coefficient difference of oxygen between 280 K and 296 K under the condition of a standard atmospheric pressure (atmospheric oxygen mole fraction is 20.9% and atmospheric nitrogen mole fraction is 78.1%)

Fig. 3. Schematic of differential absorption lidar transmitter

Fig. 4. Wideband, ultra-low noise, voltage-feedback operational amplifier

Fig. 5. High resolution numerical-integration techniques speed dual-slope analog-digital conversion

Fig. 6. Differential optical depth (ΔOD) from ground to different altitude z obtained by processing detection data from 760 nm differential absorption lidar at February 25th, 2019 night

Fig. 7. Ground-based lidar inversion of atmospheric pressure

Fig. 8. Profile of atmospheric pressure, atmospheric temperature and atmospheric vapor from radiosonde on February 26th, 2019

Fig. 9. Differential optical depth calculated from radiosonde data and differential optical thickness data (5 min average) measured by lidar

Fig. 10. Pressure of inversion at different altitudes from 2:15 to 4:15 in the morning of February 26th, 2019 (the time resolution is 5 min. The black point with the error bar in the figure is the pressure obtained by the inversion, and its statistical error; the red point is the pressure calculated by the formula in the American standard atmospheric model, and the blue line is the data measured by the air ball measured at 7:00 am on the 26th at Baozhan station)