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JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Equatorial Waves in High Resolution Dynamics Limb1
 

Summary: JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/,
Equatorial Waves in High Resolution Dynamics Limb1
Sounder (HIRDLS) Data2
M. J. Alexander
NWRA, Colorado Research Associates Division, Boulder, Colorado, USA3
D. Ortland
NWRA, Seattle, Washington, USA4
M.J. Alexander, NWRA, Colorado Research Associates Division, 3380 Mitchell Lane, Boulder,
CO 80301, USA. (alexand@cora.nwra.com)
D R A F T July 18, 2010, 10:20pm D R A F T
X - 2 ALEXANDER AND ORTLAND: EQUATORIAL WAVES IN HIRDLS
Abstract. We examine equatorial wave structure in temperature mea-5
surements from the High Resolution Dynamics Limb Sounder (HIRDLS) on6
the Aura satellite. Waves with periods longer than 1 day and zonal wavenum-7
bers up to 8 (depending on frequency) are derived from an asynoptic Fourier8
transform analysis. HIRDLS measurement sampling and resolution afford9
unprecedented views of the latitude-height structure of equatorial Rossby10
wave, mixed Rossby-gravity wave, and Kelvin wave modes at altitudes above11
cloud tops in the tropical upper troposphere and stratosphere. Wave modes12
with vertical wavelength as short as 4 km can be clearly seen in the data.13

  

Source: Alexander, M. Joan - Colorado Research Associates Division, Northwest Research Associates, Inc.

 

Collections: Geosciences