Day-to-night transport in the Martian ionosphere: Implications from total electron content measurements
نویسندگان
چکیده
منابع مشابه
Estimation of the total electron content of the Martian ionosphere using radar sounder surface echoes
[1] The Martian ionosphere’s local total electron content (TEC) and the neutral atmosphere scale height can be derived from radar echoes reflected from the surface of the planet. We report the global distribution of the TEC by analyzing more than 750,000 echoes of the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS). This is the first direct measurement of the TEC of the Mar...
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With the appearance of such satellite systems as GPS, GLONASS, Galileo, and others, the total electron content TEC measured by means of navigational satellites became a key parameter characterizing a state of the ionized space. In turn, functioning of navigational and telecommunication systems needs models of TEC for an estimation of accuracy of positioning, for the short-term and long-term pre...
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Photochemical Chapman theory predicts that the square of peak electron density, Nm, in the dayside ionosphere of Mars is proportional to the cosine of solar zenith angle. We use Mars Global Surveyor Radio Science profiles of electron density to demonstrate that this relationship is generally satisfied and that positive or negative residuals between observed and predicted values of Nm are caused...
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Introduction: Changes in the Length of Day (LOD) of the Earth and Mars are expected to be driven by many of the same processes, such as by exchanges of angular momentum between the atmosphere, hydrosphere, lithosphere, and fluid core. Terrestrial LOD measurements provide information on a wide array of geophysical processes, including tidal deformations, climate changes, and fluid motions in the...
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chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Space Physics
سال: 2015
ISSN: 2169-9380
DOI: 10.1002/2014ja020788