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Applications of Electrified Dust and Dust Devil Electrodynamics to Martian Atmospheric Electricity

Montmessin, F.; Berthelier, J. J.; Farrell, W. M. +12 more

Atmospheric transport and suspension of dust frequently brings electrification, which may be substantial. Electric fields of 10 kV m^-1 to 100 kV m^-1 have been observed at the surface beneath suspended dust in the terrestrial atmosphere, and some electrification has been observed to persist in dust at levels to 5 km, as well a…

A spectral line list for water isotopologues in the 1100-4100 cm^-1 region for application to CO₂-rich planetary atmospheres

Gamache, Robert R.; Farese, Michaella; Renaud, Candice L.

A line list of transitions for seven isotopologues of water vapor in the 1100-4100 wavenumber range has been constructed for application to atmospheres rich in CO₂. The quantum transitions for H₂¹⁶O, H₂¹⁸O, H₂¹⁷O, HD¹⁶O, HD¹⁸O, and HD¹⁷O a…

Formation of layers of methane in the atmosphere of Mars after surface release

Daerden, F.; Neary, L.; Viscardy, S.

Simulations with a general circulation model for the atmosphere of Mars show that surface emissions of methane can result in a highly nonuniform vertical distribution throughout the atmosphere, including the formation of layers, during the first weeks after the release. The fate of the released methane is determined by the global circulation patte…

A photochemical model of the dust-loaded ionosphere of Mars

Montmessin, F.; O'Brien, K.; Michael, M. +5 more

The ionization of the lower Martian atmosphere and the presence of charged species are fundamental in the understanding of atmospheric electricity phenomena, such as electric discharges, large-scale electric currents, and Schumann resonances. The present photochemical model of the lower ionosphere of Mars (0-70 km) is developed to compute the conc…

New temperature and pressure retrieval algorithm for high-resolution infrared solar occultation spectroscopy: analysis and validation against ACE-FTS and COSMIC

Olsen, Kevin S.; Strong, Kimberly; Toon, Geoffrey C. +1 more

Motivated by the initial selection of a high-resolution solar occultation Fourier transform spectrometer (FTS) to fly to Mars on the ExoMars Trace Gas Orbiter, we have been developing algorithms for retrieving volume mixing ratio vertical profiles of trace gases, the primary component of which is a new algorithm and software for retrieving vertica…

Rough-Wall Heat Flux Augmentation Analysis Within the ExoMars Project

Gülhan, A.; Neeb, D.; Merrifield, J. A.

Mars launch to test collaboration between Europe and Russia

Gibney, Elizabeth

Joint ExoMars mission launches lander and orbiter — a rover is planned for 2018.

Mission to Mars searches for life

Banks, Michael

A joint European and Russian probe to study the atmosphere and surface of Mars successfully launched last month from the Baikonur Cosmodrome in Kazakhstan. The Trace Gas Orbiter (TGO) - a collaboration between the European Space Agency (ESA) and the Russian space agency Roscosmos - also includes the entry, descent and landing demonstrator module (…