On the role of dust storms in triggering atmospheric gravity waves observed in the middle atmosphere

被引：7
|
作者：
Das, S. K. [1 ,2 ]
Taori, A. [1 ]
Jayaraman, A. [1 ]
机构：
[1] Natl Atmospher Res Lab, Tirupati 517502, Andhra Pradesh, India
[2] Natl Taiwan Univ, Dept Atmospher Sci, Taipei, Taiwan
来源：
ANNALES GEOPHYSICAE | 2011年 / 29卷 / 09期
关键词：
Atmospheric composition and structure; Aerosols and particles; Ionosphere; Wave propagation; Meteorology and atmospheric dynamics; Middle atmosphere dynamics; RADAR OBSERVATIONS; THUNDERSTORM; CONVECTION; AEROSOLS;
D O I：
10.5194/angeo-29-1647-2011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Lower atmospheric perturbations often produce measurable effects in the middle and upper atmosphere. The present study demonstrates the response of the middle atmospheric thermal structure to the significant enhancement of the lower atmospheric heating effect caused by dust storms observed over the Thar Desert, India. Our study from multi-satellite observations of two dust storm events that occurred on 3 and 8 May 2007 suggests that dust storm events produce substantial changes in the lower atmospheric temperatures as hot spots which can become sources for gravity waves observed in the middle atmosphere.
引用
收藏
页码：1647 / 1654
页数：8
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