Modern spectroscopic databases in the longwave radiative transfer problems in the Earth’s atmosphere

T. Yu. Chesnokova; K. M. Firsov; E. A. Aseeva S.

doi:10.1117/12.2690422

17 October 2023 Modern spectroscopic databases in the longwave radiative transfer problems in the Earth’s atmosphere

T. Yu. Chesnokova, K. M. Firsov, E. A. Aseeva S.

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1278010 (2023) https://doi.org/10.1117/12.2690422
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

The downward and upward fluxes of IR radiation are calculated with use of three versions of the HITRAN spectroscopic database (release of 2008, 2012, 2020) and GEISA (2020 version) for meteorological conditions, typical for summer and winter of mid latitudes. The dependent two-sample t-test is used to analyse discrepancies in the radiative fluxes. It is shown that maximal differences in the fluxes at the top and bottom of atmosphere due to use of latest versions of the spectroscopic databases HITRAN2020 and GEISA2020 are not too large (less than 0.54 W/m²) but they are statistical significant.

Citation Download Citation

T. Yu. Chesnokova, K. M. Firsov, and E. A. Aseeva S. "Modern spectroscopic databases in the longwave radiative transfer problems in the Earth’s atmosphere", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1278010 (17 October 2023); https://doi.org/10.1117/12.2690422

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