Non-migrating diurnal tides as measured by the TIMED Doppler interferometer: Preliminary results

J. Oberheide; Q. Wu; D. A. Ortland; T. L. Killeen; M. E. Hagan; R. G. Roble; R. J. Niciejewski; W. R. Skinner

doi:10.1016/j.asr.2005.01.063

Non-migrating diurnal tides as measured by the TIMED Doppler interferometer: Preliminary results

J. Oberheide, Q. Wu, D. A. Ortland, T. L. Killeen, M. E. Hagan, R. G. Roble, R. J. Niciejewski, W. R. Skinner

Research output: Contribution to journal › Article › peer-review

Abstract

Preliminary meridional wind data from the TIMED Doppler interferometer (TIDI) onboard the TIMED satellite are analyzed for non-migrating diurnal tides. Tidal definitions are given for the most pronounced westward, eastward and standing oscillations (w2, e3, s0). The analysis interval is March 2002 to June 2004 and covers the altitude range 85-105 km. Monthly tidal wind fields from 40°S to 40°N are presented. TIDI tides compare favorably with previously reported 95 km HRDI results. Non-migrating diurnal tidal wind speeds larger than 30 m/s are observed thus emphasizing the important role of non-migrating tides in middle atmosphere coupling. A comparative analysis with the global scale wave model (GSWM) and the thermosphere-ionosphere-mesosphere- electrodynamics general circulation model (TIME-GCM) indicates that both latent heat release in the tropical troposphere and non-linear planetary wave/migrating tide interaction are important sources of non-migrating tides in the mesosphere and lower thermosphere.

Original language	English (US)
Pages (from-to)	1911-1917
Number of pages	7
Journal	Advances in Space Research
Volume	35
Issue number	11
DOIs	https://doi.org/10.1016/j.asr.2005.01.063
State	Published - 2005
Externally published	Yes

Keywords

GSWM
MLT region
Non-migrating tides
TIDI
TIME-GCM
TIMED

ASJC Scopus subject areas

Aerospace Engineering
Astronomy and Astrophysics
Geophysics
Atmospheric Science
Space and Planetary Science
Earth and Planetary Sciences(all)

Online availability

10.1016/j.asr.2005.01.063

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title = "Non-migrating diurnal tides as measured by the TIMED Doppler interferometer: Preliminary results",

abstract = "Preliminary meridional wind data from the TIMED Doppler interferometer (TIDI) onboard the TIMED satellite are analyzed for non-migrating diurnal tides. Tidal definitions are given for the most pronounced westward, eastward and standing oscillations (w2, e3, s0). The analysis interval is March 2002 to June 2004 and covers the altitude range 85-105 km. Monthly tidal wind fields from 40°S to 40°N are presented. TIDI tides compare favorably with previously reported 95 km HRDI results. Non-migrating diurnal tidal wind speeds larger than 30 m/s are observed thus emphasizing the important role of non-migrating tides in middle atmosphere coupling. A comparative analysis with the global scale wave model (GSWM) and the thermosphere-ionosphere-mesosphere- electrodynamics general circulation model (TIME-GCM) indicates that both latent heat release in the tropical troposphere and non-linear planetary wave/migrating tide interaction are important sources of non-migrating tides in the mesosphere and lower thermosphere.",

keywords = "GSWM, MLT region, Non-migrating tides, TIDI, TIME-GCM, TIMED",

author = "J. Oberheide and Q. Wu and Ortland, {D. A.} and Killeen, {T. L.} and Hagan, {M. E.} and Roble, {R. G.} and Niciejewski, {R. J.} and Skinner, {W. R.}",

note = "Funding Information: We thank Stan Solomon for comments on an initial draft of the manuscript. The National Center for Atmospheric Research is sponsored by the NSF. This work was also partially supported by the NASA TIMED and NSF CEDAR programs, and BMBF Grant 50 QV 9802-4.",

year = "2005",

doi = "10.1016/j.asr.2005.01.063",

language = "English (US)",

volume = "35",

pages = "1911--1917",

journal = "Advances in Space Research",

issn = "0273-1177",

publisher = "Elsevier Limited",

number = "11",

}

TY - JOUR

T1 - Non-migrating diurnal tides as measured by the TIMED Doppler interferometer

T2 - Preliminary results

AU - Oberheide, J.

AU - Wu, Q.

AU - Ortland, D. A.

AU - Killeen, T. L.

AU - Hagan, M. E.

AU - Roble, R. G.

AU - Niciejewski, R. J.

AU - Skinner, W. R.

N1 - Funding Information: We thank Stan Solomon for comments on an initial draft of the manuscript. The National Center for Atmospheric Research is sponsored by the NSF. This work was also partially supported by the NASA TIMED and NSF CEDAR programs, and BMBF Grant 50 QV 9802-4.

PY - 2005

Y1 - 2005

N2 - Preliminary meridional wind data from the TIMED Doppler interferometer (TIDI) onboard the TIMED satellite are analyzed for non-migrating diurnal tides. Tidal definitions are given for the most pronounced westward, eastward and standing oscillations (w2, e3, s0). The analysis interval is March 2002 to June 2004 and covers the altitude range 85-105 km. Monthly tidal wind fields from 40°S to 40°N are presented. TIDI tides compare favorably with previously reported 95 km HRDI results. Non-migrating diurnal tidal wind speeds larger than 30 m/s are observed thus emphasizing the important role of non-migrating tides in middle atmosphere coupling. A comparative analysis with the global scale wave model (GSWM) and the thermosphere-ionosphere-mesosphere- electrodynamics general circulation model (TIME-GCM) indicates that both latent heat release in the tropical troposphere and non-linear planetary wave/migrating tide interaction are important sources of non-migrating tides in the mesosphere and lower thermosphere.

AB - Preliminary meridional wind data from the TIMED Doppler interferometer (TIDI) onboard the TIMED satellite are analyzed for non-migrating diurnal tides. Tidal definitions are given for the most pronounced westward, eastward and standing oscillations (w2, e3, s0). The analysis interval is March 2002 to June 2004 and covers the altitude range 85-105 km. Monthly tidal wind fields from 40°S to 40°N are presented. TIDI tides compare favorably with previously reported 95 km HRDI results. Non-migrating diurnal tidal wind speeds larger than 30 m/s are observed thus emphasizing the important role of non-migrating tides in middle atmosphere coupling. A comparative analysis with the global scale wave model (GSWM) and the thermosphere-ionosphere-mesosphere- electrodynamics general circulation model (TIME-GCM) indicates that both latent heat release in the tropical troposphere and non-linear planetary wave/migrating tide interaction are important sources of non-migrating tides in the mesosphere and lower thermosphere.

KW - GSWM

KW - MLT region

KW - Non-migrating tides

KW - TIDI

KW - TIME-GCM

KW - TIMED

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ER -

Non-migrating diurnal tides as measured by the TIMED Doppler interferometer: Preliminary results

Abstract

Keywords

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