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Low-latitude mesospheric signatures observed during the 2017 sudden stratospheric warming using the fuke meteor radar and ERA-5
Alternative TitleWOS:000557761900012;20202508837811
Eswaraiah, S.; Kumar, Kondapalli Niranjan1,8; Kim, Yong Ha; Chalapathi, G. Venkata; Lee, Wonseok; Jiang, Guoying3; Yan, Chunxiao3; Yang, Guotao3; Ratnam, M. Venkat; Prasanth, P. Vishnu; Rao, S. V. B.; Thyagarajan, K.
Source PublicationJOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
2020
Volume207Pages:105352
DOI10.1016/j.jastp.2020.105352
ISSN1364-6826
Language英语
KeywordSudden stratospheric warming (SSW) Low-latitude mesosphere Fuke meteor radar ERA-5 Mesosphere zonal wind reversal Planetary waves SECONDARY PLANETARY-WAVES LOWER THERMOSPHERE MIDDLE ATMOSPHERE LARGE-SCALE 2-DAY WAVE AMPLITUDE DYNAMICS EVENTS LAYER TIDES
AbstractThe signature of the low-latitude mesosphere response to the February 2017 minor sudden stratosphere warming (SSW) was detected using the observations of a meteor radar at Fuke (19.5 degrees N, 109.1 degrees E) a low-latitude station in China and ERA-5 data. Radar detected the zonal wind reversal in the mesosphere three days before the SSW event, whereas the ERA-5 does not reproduce the mesospheric wind response at low-latitudes during the 2017 SSW and large discrepancies are found between the mesospheric zonal winds derived from the Fuke radar and ERA-5. The quasi oscillatory pattern was noted in the meridional winds before the SSW event, afterward, the northward winds are significant. We observed the existence of 20-28-day planetary waves (PWs) in the Fuke meteor radar measured mesospheric zonal winds before the SSW and the 2-12-days period PWs before and after the SSW in the meridional winds. The zonal structure and periodicity of the PWs have been verified with the other meteor radar at the Indian tropical station Tirupati (13.63 degrees N, 79.4 degrees E). However, ERA-5 does not capture the PW activity in the mesosphere as radar. The similarities and dissimilarities among the different techniques have been discussed. Therefore, the present study re-emphasizes the strong response of the low-latitude mesosphere to the 2017 minor SSW in a manner similar to the major SSW event.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7686
Collection中国科学院国家空间科学中心
Affiliation1.Chungnam Natl Univ, Dept Astron Space Sci & Geol, Daejeon, South Korea
2.Phys Res Lab, Space & Atmospher Sci Div, Ahmadabad, Gujarat, India
3.Govt Degree Coll A, Dept Phys, Anantapur, Andhra Pradesh, India
4.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China
5.Natl Atmospher Res Lab NARL, Tirupati 517502, Andhra Pradesh, India
6.Sri Vidyanikethan Engn Coll, Dept Phys, Tirupati, Andhra Pradesh, India
7.Rao, S. V. B.] Sri Venkateswara Univ, Dept Phys, Tirupati, Andhra Pradesh, India
8.Chalapathi, G. Venkata; Thyagarajan, K.] JNTU, Dept Phys, Anantapur, Andhra Pradesh, India
9.Minist Earth Sci, Natl Ctr Medium Range Weather Forecasting, New Delhi, India
Recommended Citation
GB/T 7714
Eswaraiah, S.,Kumar, Kondapalli Niranjan,Kim, Yong Ha,et al. Low-latitude mesospheric signatures observed during the 2017 sudden stratospheric warming using the fuke meteor radar and ERA-5[J]. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,2020,207:105352.
APA Eswaraiah, S..,Kumar, Kondapalli Niranjan.,Kim, Yong Ha.,Chalapathi, G. Venkata.,Lee, Wonseok.,...&Thyagarajan, K..(2020).Low-latitude mesospheric signatures observed during the 2017 sudden stratospheric warming using the fuke meteor radar and ERA-5.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,207,105352.
MLA Eswaraiah, S.,et al."Low-latitude mesospheric signatures observed during the 2017 sudden stratospheric warming using the fuke meteor radar and ERA-5".JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 207(2020):105352.
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