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Evidence for nonmigrating tides produced by the interaction between tides and stationary planetary waves in the stratosphere and lower mesosphere
Xu, Jiyao; Smith, A. K.; Liu, Mohan; Liu, Xiao; Gao, Hong; Jiang, Gouying; Yuan, Wei; Xu, JY (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
2014
Volume119Issue:2Pages:471-489
ISSN2169-897X
Language英语
KeywordTidal Wave Stationary Planetary Wave Interaction
AbstractIn this work, 11years (2002-2012) of Thermosphere, Ionosphere, Mesosphere Energetics, and Dynamics/Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) global temperature data are used to study the nonlinear interaction between stationary planetary waves (SPWs) and tides in the stratosphere and mesosphere. The holistic behavior of the nonlinear interactions between all SPWs and tides is analyzed from the point of view of energetics. The results indicate that the intensities of nonmigrating diurnal, semidiurnal, terdiurnal, and 6h tides are strongest during winter and almost vanish during summer, synchronous with SPW activity. Temporal correlations between the SPWs and nonmigrating tides for these four tidal components are strong in the region poleward of 20 degrees and below about 80km. In the tropics, where the SPWs are very weak in all seasons, the correlations are small. Bispectral analysis between triads of waves and tides shows which particular interactions are likely to be responsible for the generation of the nonmigrating tides that are largest in the midlatitude stratosphere. Based on the more limited SABER observations at high latitudes, the correlations there are similar to those in midlatitudes during spring, summer, and autumn; there are no high-latitude observations by SABER in winter. These results show that nonlinear interactions between SPWs and tides in the stratosphere and the lower mesosphere may be an important source of the nonmigrating tides that then propagate into the upper mesosphere and lower thermosphere. Key Points Investigation of relation of nonmigrating tides and stationary planetary waves Amplitudes of these tides and waves in midlatitude stratosphere vary in synch Seasonal variations of migrating tides are not controlled by the interaction
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/2767
Collection空间科学部
Corresponding AuthorXu, JY (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Xu, Jiyao,Smith, A. K.,Liu, Mohan,et al. Evidence for nonmigrating tides produced by the interaction between tides and stationary planetary waves in the stratosphere and lower mesosphere[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2014,119(2):471-489.
APA Xu, Jiyao.,Smith, A. K..,Liu, Mohan.,Liu, Xiao.,Gao, Hong.,...&Xu, JY .(2014).Evidence for nonmigrating tides produced by the interaction between tides and stationary planetary waves in the stratosphere and lower mesosphere.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,119(2),471-489.
MLA Xu, Jiyao,et al."Evidence for nonmigrating tides produced by the interaction between tides and stationary planetary waves in the stratosphere and lower mesosphere".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 119.2(2014):471-489.
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