Observations and simulations of midlatitude ionospheric and thermospheric response to the January 2013 stratospheric sudden warming event

Qian Wu, A. Maute, V. Yudin, Larisa Petrovna Goncharenko, J. Noto, R. Kerr, Christoph Jacobi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Using observations from midlatitudes, we examine the ionospheric and thermospheric responses to the 2013 stratospheric sudden warming event by comparing data with four simulations performed by the Whole Atmosphere Community Climate Model eXtended (WACCM-X), Thermosphere-Ionosphere Mesosphere Electrodynamics General Circulation Model (TIMEGCM), and Thermosphere-Ionosphere Electrodynamics General Circulation Model (TIEGCM). The WACCM-X simulation was nudged by the GEOS-5 data. The two TIMEGCM simulations were nudged by the Modern-Era Retrospective analysis for Research and Applications data and by the aforementioned WACCM-X outputs, respectively. The standard TIEGCM simulation was also performed. These four simulations were compared with Millstone Hill (42.6°N, 71.4°W) incoherent scatter radar data, Millstone Hill and Boulder (40.1°N, 105.2°W) upper and lower thermospheric wind data. The meteor radar data from Collm (51.3°N, 13°E) were also used to examine the zonal wave number of the semidiurnal tide (SD). We evaluate the model simulations of the mesospheric and thermospheric responses to the 2013 SSW. The TIMEGCM simulation nudged with the WACCM-X output has suitable stratospheric input and ionospheric dynamics and can reproduce a sharp rise of hmf2 on January 12 observed by the Millstone Hill radar. The comparison of different models with the lower thermospheric SD tide yielded mixed results. The SD tide maintained mostly as a migrating tide for most of the time and matched the TIEGCM simulation very well. The WACCM-X appeared to perform better when the observed SD tide displays the large phase shift. It also has larger and more variable SD tide amplitude. The two TIMEGCM simulations have smaller SD amplitudes in general. Observations showed complex SD tide patterns after 20 January, which was difficult to characterize as a migrating tidal mode.

Original languageEnglish
Pages (from-to)8995-9011
Number of pages17
JournalJournal of Geophysical Research: Space Physics
Volume121
Issue number9
DOIs
Publication statusPublished - Sep 1 2016

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Upper atmosphere
temperate regions
Tides
tides
semidiurnal tide
ionospherics
electrodynamics
thermosphere
general circulation model
General Circulation Models
ionosphere
Ionosphere
heating
Electrodynamics
tide
Climate models
ionospheres
climate modeling
mesosphere
simulation

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Space and Planetary Science
  • Earth and Planetary Sciences (miscellaneous)
  • Palaeontology

Cite this

Observations and simulations of midlatitude ionospheric and thermospheric response to the January 2013 stratospheric sudden warming event. / Wu, Qian; Maute, A.; Yudin, V.; Goncharenko, Larisa Petrovna; Noto, J.; Kerr, R.; Jacobi, Christoph.

In: Journal of Geophysical Research: Space Physics, Vol. 121, No. 9, 01.09.2016, p. 8995-9011.

Research output: Contribution to journalArticle

Wu, Qian ; Maute, A. ; Yudin, V. ; Goncharenko, Larisa Petrovna ; Noto, J. ; Kerr, R. ; Jacobi, Christoph. / Observations and simulations of midlatitude ionospheric and thermospheric response to the January 2013 stratospheric sudden warming event. In: Journal of Geophysical Research: Space Physics. 2016 ; Vol. 121, No. 9. pp. 8995-9011.
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