Evaluation of Atmospheric 3-Day Waves as a Source of Day-to-Day Variation of the Ionospheric Longitudinal Structure

Guiping Liu; Scott L. England; Chin S. Lin; Nicholas M. Pedatella; Jeffrey H. Klenzing; Christoph R. Englert; Brian J. Harding; Thomas J. Immel; Douglas E. Rowland

doi:10.1029/2021GL094877

Evaluation of Atmospheric 3-Day Waves as a Source of Day-to-Day Variation of the Ionospheric Longitudinal Structure

Guiping Liu, Scott L. England, Chin S. Lin, Nicholas M. Pedatella, Jeffrey H. Klenzing, Christoph R. Englert, Brian J. Harding, Thomas J. Immel, Douglas E. Rowland

Geospace Frontiers

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17 Scopus citations

Abstract

We report for the first time the day-to-day variation of the longitudinal structure in height of the F₂ layer (h_mF₂) in the equatorial ionosphere using multi-satellite observations of electron density profiles by the Constellation Observing System for Meteorology, Ionosphere and Climate-2 (COSMIC-2). These observations reveal a ∼3-day modulation of the h_mF₂ wavenumber-4 structure viewed in a fixed local time frame during January 30–February 14, 2021. Simultaneously, ∼3-day planetary wave activity is discerned from zonal wind observations at ∼100 km by the Ionospheric Connection Explorer (ICON) Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI). This signature is not observed at ∼180–250 km altitudes, suggesting the dissipation of this wave below the F-region. We propose that the 3-day variation identified in h_mF₂ is likely caused by the planetary wave-tide interaction through the E-region dynamo.

Original language	English
Article number	e2021GL094877
Journal	Geophysical Research Letters
Volume	48
Issue number	15
DOIs	https://doi.org/10.1029/2021GL094877
State	Published - Aug 2021

Keywords

equatorial ionosphere
ion neutral connection
planetary waves
tides
upper atmosphere
wave interaction

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@article{46b6f7dda861431e8045f9d9bdf40aaa,

title = "Evaluation of Atmospheric 3-Day Waves as a Source of Day-to-Day Variation of the Ionospheric Longitudinal Structure",

abstract = "We report for the first time the day-to-day variation of the longitudinal structure in height of the F2 layer (hmF2) in the equatorial ionosphere using multi-satellite observations of electron density profiles by the Constellation Observing System for Meteorology, Ionosphere and Climate-2 (COSMIC-2). These observations reveal a ∼3-day modulation of the hmF2 wavenumber-4 structure viewed in a fixed local time frame during January 30–February 14, 2021. Simultaneously, ∼3-day planetary wave activity is discerned from zonal wind observations at ∼100 km by the Ionospheric Connection Explorer (ICON) Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI). This signature is not observed at ∼180–250 km altitudes, suggesting the dissipation of this wave below the F-region. We propose that the 3-day variation identified in hmF2 is likely caused by the planetary wave-tide interaction through the E-region dynamo.",

keywords = "equatorial ionosphere, ion neutral connection, planetary waves, tides, upper atmosphere, wave interaction",

author = "Guiping Liu and England, \{Scott L.\} and Lin, \{Chin S.\} and Pedatella, \{Nicholas M.\} and Klenzing, \{Jeffrey H.\} and Englert, \{Christoph R.\} and Harding, \{Brian J.\} and Immel, \{Thomas J.\} and Rowland, \{Douglas E.\}",

year = "2021",

month = aug,

doi = "10.1029/2021GL094877",

language = "English",

volume = "48",

journal = "Geophysical Research Letters",

issn = "0094-8276",

publisher = "John Wiley and Sons Inc.",

number = "15",

}

TY - JOUR

T1 - Evaluation of Atmospheric 3-Day Waves as a Source of Day-to-Day Variation of the Ionospheric Longitudinal Structure

AU - Liu, Guiping

AU - England, Scott L.

AU - Lin, Chin S.

AU - Pedatella, Nicholas M.

AU - Klenzing, Jeffrey H.

AU - Englert, Christoph R.

AU - Harding, Brian J.

AU - Immel, Thomas J.

AU - Rowland, Douglas E.

PY - 2021/8

Y1 - 2021/8

N2 - We report for the first time the day-to-day variation of the longitudinal structure in height of the F2 layer (hmF2) in the equatorial ionosphere using multi-satellite observations of electron density profiles by the Constellation Observing System for Meteorology, Ionosphere and Climate-2 (COSMIC-2). These observations reveal a ∼3-day modulation of the hmF2 wavenumber-4 structure viewed in a fixed local time frame during January 30–February 14, 2021. Simultaneously, ∼3-day planetary wave activity is discerned from zonal wind observations at ∼100 km by the Ionospheric Connection Explorer (ICON) Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI). This signature is not observed at ∼180–250 km altitudes, suggesting the dissipation of this wave below the F-region. We propose that the 3-day variation identified in hmF2 is likely caused by the planetary wave-tide interaction through the E-region dynamo.

AB - We report for the first time the day-to-day variation of the longitudinal structure in height of the F2 layer (hmF2) in the equatorial ionosphere using multi-satellite observations of electron density profiles by the Constellation Observing System for Meteorology, Ionosphere and Climate-2 (COSMIC-2). These observations reveal a ∼3-day modulation of the hmF2 wavenumber-4 structure viewed in a fixed local time frame during January 30–February 14, 2021. Simultaneously, ∼3-day planetary wave activity is discerned from zonal wind observations at ∼100 km by the Ionospheric Connection Explorer (ICON) Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI). This signature is not observed at ∼180–250 km altitudes, suggesting the dissipation of this wave below the F-region. We propose that the 3-day variation identified in hmF2 is likely caused by the planetary wave-tide interaction through the E-region dynamo.

KW - equatorial ionosphere

KW - ion neutral connection

KW - planetary waves

KW - tides

KW - upper atmosphere

KW - wave interaction

UR - https://www.scopus.com/pages/publications/85112059554

U2 - 10.1029/2021GL094877

DO - 10.1029/2021GL094877

M3 - Article

AN - SCOPUS:85112059554

SN - 0094-8276

VL - 48

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 15

M1 - e2021GL094877

ER -

Evaluation of Atmospheric 3-Day Waves as a Source of Day-to-Day Variation of the Ionospheric Longitudinal Structure

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Keywords

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