Articles | Volume 14, issue 6
Atmos. Meas. Tech., 14, 4069–4082, 2021
https://doi.org/10.5194/amt-14-4069-2021
Atmos. Meas. Tech., 14, 4069–4082, 2021
https://doi.org/10.5194/amt-14-4069-2021
Research article
04 Jun 2021
Research article | 04 Jun 2021

Tropospheric NO2 measurements using a three-wavelength optical parametric oscillator differential absorption lidar

Jia Su et al.

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Short summary
A new technique using a three-wavelength differential absorption lidar (DIAL) technique based on an optical parametric oscillator (OPO) laser is proposed to obtain more accurate measurements of NO2. The retrieval uncertainties in aerosol extinction using the three-wavelength DIAL technique are reduced to less than 2 % of those when using the two-wavelength DIAL technique. Hampton University (HU) lidar NO2 profiles are compared with simulated data from the WRF-Chem model, and they agree well.