Retrieval of Nighttime Distributions of Mesosphere–Lower Thermosphere Characteristics from Satellite Data

IF 0.9 4区地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES Izvestiya Atmospheric and Oceanic Physics Pub Date : 2024-05-14 DOI:10.1134/s0001433824700051

M. Yu. Kulikov, M. V. Belikovich, A. G. Chubarov, S. O. Dementyeva, A. M. Feigin

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Abstract

The database of the SABER/TIMED satellite campaign includes the reconstruction results of nighttime distributions of O, H, and some other characteristics at heights of the mesosphere–lower thermosphere from measurements of volume emission rate ofOH* profiles near 2 μm, temperature, and ozone. The retrieval procedure is based on the chemical equilibrium approximation of nighttime ozone and a model of two excited OH states (ν = 9.8) forming the indicated radiation. In this work, a modernized model of these levels with the corrected constants corresponding to published data is used to retrieve O, H, OH, HO₂, and the chemical heating rate at altitudes of 80–100 km according to SABER/TIMED measurements in 2002–2021. It is found that the new parameters of the retrieval procedure lead to significant (up to 2 times or more) changes in the spatial distributions of O, H, and chemical heating rate, but only a slight change in OH and HO₂ distributions.

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从卫星数据中检索中间层-低温层特征的夜间分布情况

摘要 SABER/TIMED 卫星活动数据库包括根据对 2 μm 附近 OH* 剖面的体积发射率、温度和臭氧的测量结果重建的中间层-低温层高度的 O、H 和其他一些特征的夜间分布结果。检索程序基于夜间臭氧的化学平衡近似值和形成指示辐射的两个激发羟基态（ν = 9.8）模型。在这项工作中，根据 2002-2021 年的 SABER/TIMED 测量结果，使用这些水平的现代化模型以及与已公布数据相对应的修正常数，来检索 80-100 公里高度的 O、H、OH、HO2 和化学加热率。结果发现，检索程序的新参数导致 O、H 和化学加热率的空间分布发生了显著变化（最多 2 倍或更多），但 OH 和 HO2 的分布仅发生了轻微变化。

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来源期刊

Izvestiya Atmospheric and Oceanic Physics 地学-海洋学

CiteScore

1.40

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Izvestiya, Atmospheric and Oceanic Physics is a journal that publishes original scientific research and review articles on vital issues in the physics of the Earth’s atmosphere and hydrosphere and climate theory. The journal presents results of recent studies of physical processes in the atmosphere and ocean that control climate, weather, and their changes. These studies have possible practical applications. The journal also gives room to the discussion of results obtained in theoretical and experimental studies in various fields of oceanic and atmospheric physics, such as the dynamics of gas and water media, interaction of the atmosphere with the ocean and land surfaces, turbulence theory, heat balance and radiation processes, remote sensing and optics of both media, natural and man-induced climate changes, and the state of the atmosphere and ocean. The journal publishes papers on research techniques used in both media, current scientific information on domestic and foreign events in the physics of the atmosphere and ocean.