Backward-trajectory analysis of a link between the meteorological optical range and long-range air transport

Karim A. Shukurov

doi:10.1117/12.2601736

15 December 2021 Backward-trajectory analysis of a link between the meteorological optical range and long-range air transport

Karim A. Shukurov

Author Affiliations +

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1191624 (2021) https://doi.org/10.1117/12.2601736
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The data of measurements of meteorological optical range (MOR), relative and specific air humidity at ROSHYDROMET meteorological stations Vnukovo (WMO 27518) and Sheremetyevo (WMO 27515) at the same names Moscow’s airports in 1973-2020 are analyzed. Using NOAA HYSPLIT_4 trajectory model and NCEP/NCAR Reanalysis gridded meteorological data, an array of about 420 thousand 7-days backward trajectories of air particles that arrived in atmospheric boundary layer above the meteorological stations during the hours of MOR measurements was modeled. The Concentration Weighted Method was used to reconstruct the seasonal fields of the mean contribution of long-range transport to MOR at the stations in 1973-2020. The influence of long-range air transport on MOR and specific air humidity in Moscow Region and indifference of relative air humidity to the air transport are shown.

Citation Download Citation

Karim A. Shukurov "Backward-trajectory analysis of a link between the meteorological optical range and long-range air transport", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1191624 (15 December 2021); https://doi.org/10.1117/12.2601736

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