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Trace Gas Assimilation in Preparation for Future Satellite Missions

Holmes, J. A.; Lewis, S. R.; Patel, M. R. and Clancy, R. T. (2014). Trace Gas Assimilation in Preparation for Future Satellite Missions. In: Eighth International Conference on Mars, LPI Contribution, article no. 1298.

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Abstract

This work aims to set up a framework for assimilation of trace gas species into a Martian Global Circulation Model (MGCM). The launch of the ISRO Mars Orbiter and NASA Mars Atmosphere and Volatile EvolutioN mission will add to our knowledge of trace gases and atmospheric chemistry. In addition, the Exomars Trace Gas Orbiter (TGO) launches in 2016 and will obtain observations of trace gas species using the Nadir and Occultation for MArs Discovery (NOMAD) instrument amongst others. These missions will lead to a wealth of trace gas observations to compare to an MGCM.

To make optimal use of information, observations and an MGCM are combined by the process of data assimilation. The outcome of this process is a dynamical global reconstruction of the observations (See Figure 1). Using this methodology, observations of short-lived (and long-lived) species can be supplemented by knowledge of the transport and atmospheric chemistry from an MGCM. The satellites currently orbiting Mars (Mars Reconnaissance Orbiter, MRO, and Mars Express), combined with the future planned satellite missions, create a great opportunity for the development of a data assimilation technique for trace gases on Mars.

Item Type: Conference or Workshop Item
Copyright Holders: 2014 The Authors
Project Funding Details:
Funded Project NameProject IDFunding Body
Case for Support for Modelling and Data Assimilation Science Co-I on the ExoMars Trace Gas Orbiter. (SP-10-073-SL)ST/I003096/1STFC (Science & Technology Facilities Council)
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Space
Related URLs:
Item ID: 46535
Depositing User: James Holmes
Date Deposited: 10 Jun 2016 09:50
Last Modified: 20 Apr 2019 17:46
URI: http://oro.open.ac.uk/id/eprint/46535
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