Quasi-6-Day Wave Modulation of the Equatorial Electrojet

Yamazaki, Yosuke; Stolle, Claudia; Matzka, Jürgen; Alken, Patrick

doi:10.1029/2018ja025365

i

Quasi-6-Day Wave Modulation of the Equatorial Electrojet

Supporting Files

2018
By Yamazaki, Yosuke ; Stolle, Claudia ; Matzka, Jürgen ; ...

Details

Journal Title:

Journal of Geophysical Research: Space Physics
Personal Author:

Yamazaki, Yosuke ; Stolle, Claudia ; Matzka, Jürgen ; Alken, Patrick
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information)
Description:

Theequatorialelectrojetisanenhancedeastwardcurrentinthedayside Eregionionosphere ﬂowingalongthemagneticequator.Theequatorialelectrojetishighlyvariableasitissubjecttovarious forcing mechanismsincluding atmospheric waves from thelower layers of the atmosphere. There are occasionallytimeswhentheintensityoftheequatorialelectrojetataﬁxedlongitudeshowsanoscillatoryvariation with a period of approximately 6 days. We present case studies of such events based on the equatorial electrojet measurements from the CHAMP and Swarm satellites. The spatial and temporal variabilityoftheequatorialelectrojetintensityduringtheseeventsrevealscharacteristicsofawestward propagatingwavewithzonalwavenumber1,consistentwiththeeﬀectofthequasi-6-dayplanetarywave.
Keywords:

Geophysics Space And Planetary Science Space And Planetary Science Space And Planetary Science
Source:

Journal of Geophysical Research: Space Physics, 123(5), 4094-4109
DOI:

https://doi.org/10.1029/2018ja025365
ISSN:

2169-9380
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
Rights Information:

Other
Compliance:

Library
Main Document Checksum:

urn:sha256:574c41e5d98915cc503abedb7f669a88e2ce72050fcdfe358dd3aa15e4a67864
Download URL:

https://repository.library.noaa.gov/view/noaa/55125/noaa_55125_DS1.pdf
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[PDF - 4.89 MB ]

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