Modeling of HDO in the Martian atmosphere
<p>Mars is known to have had a significant liquid water reservoir on the surface and the D/H ratio is an important tool to estimate the abundance of the early water reservoir on Mars and its evolution with time. The D/H ratio is a measure of the ratio of the current exchangeable water reservoir to the initial exchangeable water ...
Loïc Rossi+8 more
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Evaluation of the Atmospheric Chemical Entropy Production of Mars
Thermodynamic disequilibrium is a necessary situation in a system in which complex emergent structures are created and maintained. It is known that most of the chemical disequilibrium, a particular type of thermodynamic disequilibrium, in Earth’s ...
Alfonso Delgado-Bonal+1 more
doaj +1 more source
Long-Endurance Mars Exploration Flying Vehicle: A Project Brief
The paper presents specifications for the Long-Endurance Mars Exploration Flying Vehicle (LEMFEV), which will be used as future design input data. The specifications are based on the analysis of previous Mars missions and scientific data collected by the
Elena Karpovich+4 more
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Martian Bow Shock and Magnetic Pile-Up Barrier Formation Due to the Exosphere Ion Mass-Loading [PDF]
Bow shock, formed by the interaction between the solar wind and a planet, is generated in different patterns depending on the conditions of the planet.
Eojin Kim+6 more
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Tianwen-1 and MAVEN Observations of the Response of Mars to an Interplanetary Coronal Mass Ejection
Interplanetary coronal mass ejections (ICMEs) are solar transients that have significant effects on the upper atmosphere and ionosphere of Mars. The simultaneous spacecraft observations from Tianwen-1/MOMAG in solar wind and multiple instruments on board
Bingkun Yu+24 more
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A global view of gravity waves in the Martian atmosphere inferred from a high‐resolution general circulation model [PDF]
Global characteristics of the small‐scale gravity wave (GW) field in the Martian atmosphere obtained from a high‐resolution general circulation model (GCM) are presented for the first time.
T. Kuroda+3 more
semanticscholar +1 more source
Influence of gravity waves on the climatology of high-altitude Martian carbon dioxide ice clouds [PDF]
Carbon dioxide (CO2) ice clouds have been routinely observed in the middle atmosphere of Mars. However, there are still uncertainties concerning physical mechanisms that control their altitude, geographical, and seasonal distributions.
E. Yiğit, A. S. Medvedev, P. Hartogh
doaj +1 more source
Gravity waves and high‐altitude CO2 ice cloud formation in the Martian atmosphere [PDF]
We present the first general circulation model simulations that quantify and reproduce patches of extremely cold air required for CO2 condensation and cloud formation in the Martian mesosphere.
Erdal Yiğit, A. Medvedev, P. Hartogh
semanticscholar +1 more source
Martian zeolites as a source of atmospheric methane [PDF]
The origin of the martian methane is still poorly understood. A plausible explanation is that methane could have been produced either by hydrothermal alteration of basaltic crust or by serpentinization of ultramafic rocks producing hydrogen and reducing crustal carbon into methane.
Mousis, O.+9 more
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Photochemistry of Methane and Ethane in the Martian Atmosphere [PDF]
AbstractWe develop an existing 1‐D photochemistry model to include a comprehensive description of organic chemistry on Mars that includes the oxidation products of methane (CH4) and ethane (C2H6),a longer‐chain hydrocarbon that can be used to differentiate between abiotic and biotic surface releases of CH4.
Benjamin M. Taysum, Paul I. Palmer
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