Collision broadening effect upon tropospheric temperature calibration functions for pure rotational Raman lidars

V. V. Gerasimov; V. V. Zuev; V. L. Pravdin; D. P. Nakhtigalova; A. V. Pavlinskiy

doi:10.1117/12.2205832

19 November 2015 Collision broadening effect upon tropospheric temperature calibration functions for pure rotational Raman lidars

V. V. Gerasimov, V. V. Zuev, V. L. Pravdin, D. P. Nakhtigalova, A. V. Pavlinskiy

Author Affiliations +

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96804F (2015) https://doi.org/10.1117/12.2205832
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

We present the general calibration function for temperature retrievals in the cloud-free troposphere using pure rotational Raman (PRR) lidars under the condition of the laser-beam receiver-field-of-view complete overlap. The function is derived within the framework of the semiclassical theory and takes account of the broadened by collision effects elastic backscattered signal leakage into the nearest (to the laser line) lidar PRR channel. The two simplest nonlinear special cases of the general calibration function are considered to be applied in the temperature retrieval algorithm. The vertical temperature profiles retrieved from nighttime lidar measurements in Tomsk (56.48°N, 85.05°E), on October 2, 2014, are given as an example. The measurements were performed using a PRR lidar designed in Institute of Monitoring of Climatic and Ecological Systems of the Siberian Branch of the Russian Academy of Sciences (IMCES SB RAS) for lower-atmosphere temperature-profile retrievals.

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V. V. Gerasimov, V. V. Zuev, V. L. Pravdin, D. P. Nakhtigalova, and A. V. Pavlinskiy "Collision broadening effect upon tropospheric temperature calibration functions for pure rotational Raman lidars", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96804F (19 November 2015); https://doi.org/10.1117/12.2205832

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