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München 2019 – scientific programme

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EP: Fachverband Extraterrestrische Physik

EP 3: Planetary Atmospheres (joint session EP/UP)

EP 3.2: Talk

Tuesday, March 19, 2019, 16:45–17:00, HS 22

Validation of the Multiple Airglow Chemistry model applied on the basis of data sets from various sources — •Olexandr Lednyts’kyy1, Miriam Sinnhuber2, and Christian von Savigny11University of Greifswald, Greifswald, Germany — 2Karlsruhe Institute of Technology, Karlsruhe, Germany

The Multiple Airglow Chemistry (MAC) model was proposed to couple electronically excited states of molecular (O2, four states) and atomic (O, two states) oxygen with each other as well as with the O2 and O ground states to represent the photochemistry in the upper Mesosphere and Lower Thermosphere region. Rate values of processes coupling seven O2 and three O states considered in the extended MAC model were tuned on the basis of the in-situ measurements from the Energy Transfer in the Oxygen Nightglow campaign. Calculations with the MAC model are verified and validated on the basis of the in-situ measurements from the 2nd WAve propagation and DISsipation in the middle atmosphere campaign and the WAVes in airglow structures Experiment 2004 campaign. The MAC calculations are analyzed in various cases, in which some of these in-situ data sets are replaced with collocated remote measurements or data sets simulated with the NRLMSISE-00 (Naval Research Laboratory Mass Spectrometer Incoherent Scatter Extended, 2000) model. The level of self-consistency of the MAC input and output data sets varies from one case to another.

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