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Mars atmospheric escape and isotopic fractionation: synthesis of data and models
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Jones, John H. Jakosky, Bruce M. Luhmann, Janet G. |
| Copyright Year | 1994 |
| Description | The present Mars atmosphere is relatively thin and cold. It is not at all like that which is presumed to have been responsible for the formation of valley networks and the heavy erosion of craters during the earliest epochs of martian history. An important goal of Mars exploration is to try to understand the properties of the early atmosphere, the initial inventory of volatiles at the planet's surface, the processes by which the atmosphere and climate have evolved over time, and the current location of volatiles presumed to have been in the atmosphere in the earlier times. The current status of understanding of the escape of volatiles to space over geologic time and the resulting fractionation of isotopes of stable atoms remaining in the atmosphere are described, and a scenario for volatile abundance and evolution that is consistent with the available information on the escape and fractionation of each species is constructed. In particular, the evolution of hydrogen, carbon, oxygen, and nitrogen, as contained in atmospheric (and non-atmospheric) water, carbon dioxide, and molecular nitrogen, is examined. |
| File Size | 140902 |
| Page Count | 2 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19940031636 |
| Archival Resource Key | ark:/13960/t2s51kr1z |
| Language | English |
| Publisher Date | 1994-01-01 |
| Access Restriction | Open |
| Subject Keyword | Lunar And Planetary Exploration Water Fractionation Paleoclimatology Oxygen Carbon Dioxide Mars Atmosphere Nitrogen Carbon Mars Exploration Climate Change Atmospheric Composition Gas Evolution Planetary Evolution Isotopes Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
