Super-rotating jets in a re-analysis of the martian atmosphere
نویسنده
چکیده
Strong westerly, prograde jets have been identified in the martian atmosphere between about 10–20 km altitude throughout much of the year in a Mars Global Circulation Model (MGCM) study [2]. The development of data assimilation techniques for Mars [3, 5] now permits the analysis of super-rotation in less highly idealized cases using an atmospheric reanalysis, as would be done for the Earth. This paper reviews recent atmospheric reanalyses, in order to validate previous modeling results, to quantify jet amplitudes and to diagnose possible mechanisms supplying angular momentum to the jets.
منابع مشابه
Super-rotating jets in a re-analysis of the martian atmosphere
Strong westerly, prograde jets have been identified in the martian atmosphere between about 10–20 km altitude throughout much of the year in a Mars Global Circulation Model (MGCM) study [2]. The development of data assimilation techniques for Mars [3, 5] now permits the analysis of super-rotation in less highly idealized cases using an atmospheric reanalysis, as would be done for the Earth. Thi...
متن کاملEquatorial jets in the dusty Martian atmosphere
Abstract. We investigate the production of equatorial jets which demonstrate strong local super-rotation in an atmospheric general circulation model of Mars. These westerly jets are driven by diurnal thermal tides and their strength is shown to be closely related to the amount of dust in the atmosphere. The super-rotating jets are strongest near to equinox and under conditions of high atmospher...
متن کاملSuper-rotating jets in the atmospheres of terrestrial planets
Introduction: Super-rotation is a ubiquitous phenomenon in the four substantial atmospheres possessed by solid bodies in the solar system. The slowly rotating planet, Venus, and moon, Titan, are both well-known to have atmospheres that rotate substantially more quickly than does the solid surface underneath. The more rapidly rotating planets, Mars and Earth, exhibit less spectacular global supe...
متن کاملSuperrotation in a Venus general circulation model
A super–rotating atmosphere with equatorial winds of ∼ 35m s is simulated using a simplified Venus General Circulation Model (GCM). The equatorial super-rotation in the model atmosphere is maintained by barotropic instabilities in the the mid–latitude jets which transport angular momentum towards the equator. The mid–latitude jets are maintained by the mean meridional circulation and the moment...
متن کاملDesigning and Manufacturing the Multiple Jets Simulator and Experimental Investigation of the Multiple Jets in Crossflow
Designing and manufacturing the multiple jets simulator and experimental investigation of the multiple jets in crossflow at low velocity ratios have been studied Together with design and build a low-speed wind tunnel. A specific rake is used to determine the flow field pressure and changes in static pressure measured by pressure taps in the near field of the jets. There are generally three regi...
متن کامل