Discussion on Calibration Constants of Water Vapor Inversion Process of Raman Lidar

Wenhui Wang; Nianwen Cao

doi:10.3788/LOP241271

Laser & Optoelectronics Progress, Volume. 62, Issue 3, 0301001(2025)

Discussion on Calibration Constants of Water Vapor Inversion Process of Raman Lidar

Wenhui Wang^* and Nianwen Cao

School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu , China

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Figures & Tables(7)

Fig. 1. Water vapor mixing ratio of ERA5. (a) May 26th; (b) May 27th; (c) June 1st; (d) June 2nd

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Fig. 2. The calibration constant. (a) May 26th; (b) May 27th; (c) June 1st; (d) June 2nd

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Fig. 3. Comparison and relative error of inversion results of water vapor mixing ratio with ERA5 on May 26th. (a) 20:00 water vapor mixing ratio; (b) 20:00 relative error; (c) 22:00 water vapor mixing ratio; (d) 22:00 relative error

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Fig. 4. Comparison and relative error of inversion results of water vapor mixing ratio with ERA5 on May 26th. (a) 20:00 water vapor mixing ratio; (b) 20:00 relative error; (c) 22:00 water vapor mixing ratio; (d) 22:00 relative error

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Fig. 5. Comparison and relative error of inversion results of water vapor mixing ratio with ERA5. (a) Water vapor mixing ratio at 20:00 on May 27th; (b) relative error at 20:00 on May 27th; (c) water vapor mixing ratio at 02:00 on June 2nd; (d) relative error at 02:00 on June 2nd

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Fig. 6. Comparison and relative error of inversion results of water vapor mixing ratio with ERA5. (a) Water vapor mixing ratio at 20:00 on May 27th; (b) relative error at 20:00 on May 27th; (c) water vapor mixing ratio at 02:00 on June 2nd; (d) relative error at 02:00 on June 2nd

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Table 1. The calibration constant results of the normalization process on May 26th
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Table 1. The calibration constant results of the normalization process on May 26th
Time 20：00 21：00 22：00 23：00
C_A 406.6 426.8 383.2 390.7

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Wenhui Wang, Nianwen Cao. Discussion on Calibration Constants of Water Vapor Inversion Process of Raman Lidar[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0301001

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