Vertical temperature wave number spectra of the Martian lower atmosphere

被引：0
|
作者：
Ghosh, Priyanka [1 ]
Ramkumar, T. K. [1 ]
机构：
[1] Natl Atmospher Res Lab, Gadanki 517112, India
来源：
ATMOSPHERIC SCIENCE LETTERS | 2015年 / 16卷 / 03期
关键词：
distinct vertical wave number spectra over Mars; predominance of radiative damping; topography generated baroclinic waves; vertically standing waves; Mars Global Surveyor; MARS-GLOBAL-SURVEYOR; RADIO OCCULTATION MEASUREMENTS; GRAVITY-WAVES; MIDDLE ATMOSPHERE; UNIVERSAL SPECTRUM; STRATOSPHERE; SATURATION; FLUCTUATIONS; PROFILES;
D O I：
10.1002/asl2.545
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
We report that often vertical wave number spectra of the Martian lower atmospheric temperature are distinctly different from that normally observed for the Earth's atmosphere. In many cases, the observed spectra show wave saturation characteristics (log-log slope of -3) even at wave numbers greater than the ones corresponding to dissipative regime (log-log slope of -5/3), a kind of which is not reported so far for the Earth's atmosphere. Also, some times, steep spectral slopes are obtained at smaller wave numbers near the ones associated with dissipation and positive slopes are noticed at the higher end of the wave numbers of spectra.
引用
收藏
页码：234 / 239
页数：6
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