Mars' South Polar Ar Enhancement: A Tracer for South Polar Seasonal Meridional Mixing
作者： A. L. Sprague
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摘要: The gamma ray spectrometer on the Mars Odyssey spacecraft measured an enhancement of atmospheric argon over southern high latitudes during autumn followed by dissipation winter and spring. Argon does not freeze at temperatures normal for (approximately 145 kelvin) is left in atmosphere, enriched relative to carbon dioxide (CO2), as seasonal cap CO2 frost accumulates. Calculations transport into out point meridional (north-south) mixing throughout
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