Multiple Airglow Chemistry approach for atomic oxygen retrievals on the basis of insitu nightglow emissions

Multiple Airglow Chemistry approach for atomic oxygen retrievals on the basis of insitu nightglow emissions
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基于原位夜光发射的原子氧回收的多种气辉化学方法

DOI:
10.1016/j.jastp.2019.105096
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发表时间:
2019
影响因子:
1.9
通讯作者:
Mlynczak
Mlynczak
中科院分区:
地球科学4区
文献类型:
--
作者:
Lednyts’kyy;von Savigny;Sinnhuber;Iwagami;Mlynczak

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在多重气辉化学(MAC)模型中,分子氧和原子氧(O2和O)的电子激发态相互耦合,并与O2和O的基态相互耦合,该模型描述了中高层和低热层区域的氧气辉和氧光化学。MAC模型耦合七个O 2和三个O状态,并开发了现场测量的基础上,从ETON(能量转移的氧气夜光)活动,用于调整未知或约束不良的过程的速率值。同样的速率值适用于MAC模型,该模型是根据WADIS-2(中层大气中的波传播和耗散)、WAVE 2000(气辉结构中的波实验,2000年)和WAVE 2004活动期间获得的现场测量结果进行验证和确认的。使用WADIS-2火箭上的设备测量的数据集被认为是自洽的,因为在地面状态([O(3 P)])的浓度分布的MAC检索可以仅基于这些数据集。WAVE 2000和WAVE 2004活动的现场数据集的测量站点与远程获得的数据集的测量站点并置,并且这些数据集被组合用于MAC检索。通过验证MAC模型的计算,识别并确认了氧气绿色谱线、大气谱线和红外大气谱线的O2前体物。
Electronically excited states of molecular and atomic oxygen (O 2 and O) are coupled with each other as well as with the ground states of O 2 and O in the Multiple Airglow Chemistry (MAC) model representing the oxygen airglow and the oxygen photochemistry in the upper Mesosphere and Lower Thermosphere region. The MAC model couples seven O 2 and three O states and was developed on the basis of in situ measurements from the ETON (Energy Transfer in the Oxygen Nightglow) campaign employed to tune rate values of unknown or poorly constrained processes. The same rate values are applied in the MAC model verified and validated on the basis of the in situ measurements obtained during the WADIS-2 (WAve propagation and DISsipation in the middle atmosphere), the WAVE2000 (WAVes in airglow structures Experiment, 2000) and WAVE2004 campaigns. Data sets measured using devices aboard the WADIS-2 rocket are considered to be self-consistent because the MAC retrievals of a concentration profile of O in the ground state ([O (3 P)]) can be based on these data sets only. The measuring sites of the in situ data sets from the WAVE2000 and WAVE2004 campaigns are collocated with those of remotely obtained data sets, and these data sets are combined for the MAC retrievals. O 2 precursors responsible for the oxygen green line emission, emissions in the Atmospheric band and the Infrared Atmospheric band are identified and confirmed by calculations with the validated MAC model.
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