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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/amt-2019-444
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-2019-444
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 19 Dec 2019

Submitted as: research article | 19 Dec 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Atmospheric Measurement Techniques (AMT).

Vertical wind profiling from troposphere to the lower mesosphere based on high resolution heterodyne near-infrared spectroradiometry

Alexander V. Rodin1,2, Dmitry V. Churbanov1, Sergei G. Zenevich1, Artem Yu. Klimchuk1,3, Vladimir M. Semenov3, Maxim V. Spiridonov1,4, and Iskander Sh. Gazizov1 Alexander V. Rodin et al.
  • 1Moscow Institute of Physics and Technology, Dolgoprudny, Russia
  • 2Space Research Institute, Moscow, Russia
  • 3Samsung R&D Institute, Moscow, Russia
  • 4Prokhorov General Physics Institute, Moscow, Russia

Abstract. We propose a new technique of remote wind measurements based on Doppler analysis of a CO2 absorption line in the 1.605 μm overtone band measured in the direct Sun observation geometry. Heterodyne spectroradiometric measurements of the solar radiation passed through the atmosphere provides an unprecedented spectral resolution up to λ/δλ ~ 107–108 with a signal-to-noise ratio more than 100. The shape of the individual rotational line profile provides unambiguous relationship between offset from the line centre and altitude where a respective part of the line profile is formed. Therefore, an inverse problem may be posed in order to retrieve vertical distribution of wind, with retrievals vertical resolution compromised by a spectral resolution and signal-to-noise ratio of the measurements. A close coincidence between measured and synthetic absorption line is reached, with retrieved wind profile between the surface and 50 km being in a good agreement with reanalysis models. This method may pose an alternative to widely employed lidar and radar techniques.

Alexander V. Rodin et al.
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Alexander V. Rodin et al.
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Short summary
The paper presents a new technoque of remote wind measuremnts that may potentially complement conventional aerological observations and eventually greatly improve our knowledge about our climate system, especially concerning processes related to troposphere-stratosphere coupling. The technique may be implemented at relatively low cost in various applications from meteo observaton posts to remote sensing spacecraft.
The paper presents a new technoque of remote wind measuremnts that may potentially complement...
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