Daytime ozone photochemical equilibrium and its application for retrieving the O and H distributions at the altitudes of the mesosphere - lower thermosphere

被引：0
|
作者：
Kulikov, Mikhail Yu [1 ]
Belikovich, Mikhail, V [1 ]
Chubarov, Alexey G. [1 ,2 ]
Feigin, Alexander M. [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst Appl Phys, 46 Ulyanov St, Nizhnii Novgorod 603950, Russia
[2] Lobachevsky State Univ Nizhny Novgorod, 23 Gagarin Ave, Nizhnii Novgorod 603022, Russia
来源：
27TH INTERNATIONAL SYMPOSIUM ON ATMOSPHERIC AND OCEAN OPTICS, ATMOSPHERIC PHYSICS | 2021年 / 11916卷
关键词：
mesosphere; lower thermosphere; ozone; photochemical equilibrium; atomic oxygen and atomic hydrogen; SABER (Sounding of the Atmosphere using Broadband Emission Radiometry); TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics); ALGORITHM THEORETICAL BASIS; ATOMIC OXYGEN DENSITY; MESOPAUSE REGION; BAND EMISSION; HYDROGEN; MODEL;
D O I：
10.1117/12.2603721
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
On the example of the SABER/TIMED satellite data measured in 2003, we analyze the quality of daytime O and H retrieval at the altitudes of the mesosphere - lower thermosphere with the use of the condition of ozone photochemical equilibrium, which takes into account only the main chemical sink of this component due to photodissociation. It is shown that neglecting the reaction H+O-3 -> O-2+OH in this condition weakly manifests itself in the H distributions, but leads to a significant (up to 50-70%) systematic underestimation of the monthly mean and annually mean O distributions at the altitudes of 75-90 km.
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页数：5
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