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Advective Fluxes in the Martian Regolith as a Mechanism Driving Methane and Other Trace Gas Emissions to the Atmosphere

التفاصيل البيبلوغرافية
العنوان: Advective Fluxes in the Martian Regolith as a Mechanism Driving Methane and Other Trace Gas Emissions to the Atmosphere
المؤلفون: Viúdez-Moreiras, Daniel, Arvidson, R.E., Gómez-Elvira, Javier, Webster, C., Newman, C.E., Mahaffy, P., Vasavada, Ashwin R.
بيانات النشر: American Geophysical Union
سنة النشر: 2020
المجموعة: Digital.CSIC (Consejo Superior de Investigaciones Científicas / Spanish National Research Council)
مصطلحات موضوعية: Air pollution, Atmospheric turbulence, Earth atmosphere, Martian surface analysis, MethaneTopography
الوصف: Advective fluxes influence methane and CO soil emissions into the atmosphere on Earth and may drive trace gas emissions in the Mars atmosphere. However, their relevance in the Martian regolith has not been evaluated to date. Our regolith transport simulations show that advective fluxes can be relevant under Martian conditions and may drive the methane abundance detected by Mars Science Laboratory. Trace gas emissions would be highest in regions where winds interact with topography. Emissions in these regions may be further enhanced by time-varying pressure fields produced by diurnal thermal tides and atmospheric turbulence. Trace gases such as methane should be emitted or produced from the first layers of regolith, or quickly transported to this region from a deeper reservoir through fractured media. ; Vasavada, A.R.
نوع الوثيقة: article in journal/newspaper
اللغة: unknown
تدمد: 1944-8007
العلاقة: http://dx.doi.org/10.1029/2019GL085694Test; Sí; Geophysical Research Letters 47 (2020); http://hdl.handle.net/10261/233667Test
DOI: 10.1029/2019GL085694
الإتاحة: https://doi.org/10.1029/2019GL085694Test
http://hdl.handle.net/10261/233667Test
حقوق: none
رقم الانضمام: edsbas.716867C
قاعدة البيانات: BASE
الوصف
تدمد:19448007
DOI:10.1029/2019GL085694