Temperature measurement by rotational Raman lidar

M. L. Chanin; Alain Hauchecorne; Dusan Nedeljkovic

doi:10.1117/12.138532

17 December 1992 Temperature measurement by rotational Raman lidar

M. L. Chanin, Alain Hauchecorne, Dusan Nedeljkovic

Proceedings Volume 1714, Lidar for Remote Sensing; (1992) https://doi.org/10.1117/12.138532
Event: Environmental Sensing '92, 1992, Berlin, Germany

Abstract

The paper describes a novel lidar method to measure the temperature between 5 and 30 km independently of the presence of aerosols, either because of their spectral contribution or their effect on extinction. The method is based on an idea proposed by Cooney (1972), which takes into account the temperature dependence of the Raman spectrum, and which was later used to measure the temperature between 0 and 2 km of altitude using the rotational Raman spectrum backscattered by molecular nitrogen. It is shown that, under certain instrument conditions, the function which makes it possible to calibrate the lidar does not depend on pressure, which implies that the same function can be used at all altitudes, without causing an unacceptable error in temperature measurement. Results obtained with this technique agree with radiosondes within 0.5 K between the ground and 20-25 km.

Citation Download Citation

M. L. Chanin, Alain Hauchecorne, and Dusan Nedeljkovic "Temperature measurement by rotational Raman lidar", Proc. SPIE 1714, Lidar for Remote Sensing, (17 December 1992); https://doi.org/10.1117/12.138532

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