Summer Mesosphere Temperature Distribution from Wide-Angle Polarization Measurements of the Twilight Sky
Oleg S. Ugolnikov, Igor A. Maslov
TL;DR
This study uses wide-angle polarization measurements of the twilight sky to determine mesosphere temperature distribution, confirming Rayleigh scattering dominance and comparing results with satellite data.
Contribution
Introduces a polarization-based method for separating single scattering to retrieve mesosphere temperature profiles from twilight sky observations.
Findings
Rayleigh scattering dominates in the mesosphere during observations
Temperature profiles were successfully retrieved from polarization data
Results agree with satellite measurements from TIMED/SABER and EOS Aura/MLS
Abstract
The paper contains the results of wide-angle polarization camera (WAPC) measurements of the twilight sky background conducted in summer 2011 and 2012 at 55.2 degs.N, 37.5 degs.E, southwards from Moscow. The method of single scattering separation based on polarization data is suggested. The obtained components of scattering matrixes show the domination of Rayleigh scattering in the mesosphere for all observation days. It made possible to retrieve the altitude distribution of temperature in the mesosphere. The results are compared with the temperature data by TIMED/SABER and EOS Aura/MLS instruments for nearby dates and locations.
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