EPJ Web Conf.
Volume 237, 2020The 29th International Laser Radar Conference (ILRC 29)
|Number of page(s)||2|
|Section||Boundary Layer, Pollution, Greenhouse and Trace Gases|
|Published online||07 July 2020|
Observations of The Lower-Tropospheric Temperature Profiles Using Three Wavelength CO2-DIAL
Tokyo Metropolitan University, Hino, Tokyo 1910065, Japan
* Email: firstname.lastname@example.org
Published online: 7 July 2020
The eye-safe lower-tropospheric temperature profiler with three wavelength differential absorption lidar (DIAL) technique which can perform the continuous temperature profile observation through daytime and nighttime is conducted. The DIAL consists of a Nd:YAG laser pumped an OPG tuned around 1573 nm of an CO2 absorption line with 2 mJ/pulse at 400 Hz repetition rate and a receiving telescope of 25cm diameter. In this paper, we show the result of continuous temperature profile observations over 25 hours from 0.39 to 2.5 km altitude in the lower-troposphere. We can see temporally the generation and disappearance of the temperature inversion layers in the planetary boundary layer.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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