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Nighttime O(1D) distributions in the mesopause region derived from SABER data
Annales Geophysicae ( IF 1.7 ) Pub Date : 2020-07-08 , DOI: 10.5194/angeo-38-815-2020
Mikhail Yu. Kulikov , Mikhail V. Belikovich

In this study, the new source of O(1D) in the mesopause region due to the process OH(ν≥5)+O(3P)→OH(0≤ν′≤ν-5)+O(1D) is applied to SABER data to estimate the nighttime O(1D) distributions for the years 2003–2005. It is found that O(1D) evolutions in these years are very similar to each other. Depending on the month, monthly averaged O(1D) distributions show two to four maxima with values up to 340 cm−3 which are localized in height (at ∼92–96 km) and latitude (at ∼20–40 and ∼60–80∘ S, N). Annually averaged distributions in 2003–2005 have one weak maximum at ∼93 km and ∼65∘ S with values of 150–160 cm−3 and three pronounced maxima (with values up to 230 cm−3) at ∼95 km and ∼35∘ S, at ∼94 km and ∼40∘ N and at ∼93 km and ∼65–75∘ N, correspondingly. In general, there is slightly more O(1D) in the Northern Hemisphere than in the Southern Hemisphere. The obtained results are a useful data set for subsequent estimation of nighttime O(1D) influence on the chemistry of the mesopause region.

中文翻译:

从SABER数据得出的更年期区域夜间O(1 D)分布

在这项研究中,由于过程OH,在更年期区域产生了O(1 D)的新来源??¥5+Ø3P一种????0??′??--5+Ø1个d)应用于SABER数据,以估算2003–2005年的夜间O(1 D)分布。发现这些年来的O(1 D)演化非常相似。根据月份,月平均O(1 D)分布显示2到4个最大值,其值最大为340?cm ?3,这些值位于高度(?92 ????)。 96A ????公里)和纬度(在â??¼20 â???? 40和一个??¼60 â???? 80 â???? â???? S,A N)。在2003年至2005年的年平均分布中,有一个弱的最大值位于â€93âkmâ€65†âS的值为150â€???160â???? cm3和3个明显最大值(值最大为230厘米cm 3位于¼95?km和â35 S,在?94?km和?40 N和?93处?km和?65处75 ℃??N,相应地。一般而言,北半球的O( 1 D)略多于南半球。获得的结果是有用的数据集,可用于随后评估夜间O( 1 D)对更年期区域化学的影响。
更新日期:2020-08-20
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