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Martian atmospheric O3 retrieval development for the NOMAD-UVIS spectrometer

Hewson, W.; Mason, J. P.; Leese, M.; Hathi, B.; Holmes, J.; Lewis, S. R.; Irwin, P. G. R. and Patel, M. R. (2017). Martian atmospheric O3 retrieval development for the NOMAD-UVIS spectrometer. In: EPSC Abstracts, European Planetary Science Congress, 11, article no. EPSC2017-194.

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Abstract

The composition of atmospheric trace gases and aerosols is a highly variable and poorly constrained component of the martian atmosphere, and by affecting martian climate and UV surface dose, represents a key parameter in the assessment of suitability for martian habitability. The ExoMars Trace Gas Orbiter (TGO) carries the Open University (OU) designed Ultraviolet and VIsible Spectrometer (UVIS) instrument as part of the Belgian-led Nadir and Occultation for MArs Discovery (NOMAD) spectrometer suite. NOMAD will begin transmitting science observations of martian surface and atmosphere back-scattered UltraViolet (UV) and visible radiation in Spring 2018, which will be processed to derive spatially and temporally averaged atmospheric trace gas and aerosol concentrations, intended to provide a better understanding of martian atmospheric photo-chemistry and dynamics, and will also improve models of martian atmospheric chemistry, climate and habitability. Work presented here illustrates initial development and testing of the OU’s new retrieval algorithm for determining O3 and aerosol concentrations from the UVIS instrument.

Item Type: Conference or Workshop Item
Copyright Holders: 2017 The Authors
Project Funding Details:
Funded Project NameProject IDFunding Body
Modelling and retrieval of martian dust, ice and ozone from ExoMars NOMAD dataST/P001262/1UKSA UK Space Agency
Keywords: NOMAD; UVIS; ozone; Mars; aerosol
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 49311
Depositing User: Will Hewson
Date Deposited: 08 May 2017 15:44
Last Modified: 09 May 2017 01:01
URI: http://oro.open.ac.uk/id/eprint/49311
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