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Earth, Planets and Space

, Volume 51, Issue 7–8, pp 751–761 | Cite as

The gradient wind in the mesosphere and lower thermosphere

Open Access
Article

Abstract

HRDI zonally averaged daytime temperatures are used to compute the gradient wind in the 65–105 km range. Results are compared with independently measured HRDI zonal mean zonal winds. The gradient wind captures the essential features of the observed wind field in the summertime midlatitudes, including the stratospheric easterly (westward) jet and the reversal to westerly (eastward) winds in the lower thermosphere. The consistency between HRDI and gradient winds diminishes at tropical latitudes, due to substantial tidal contamination of daytime temperatures used to compute the gradient wind.

Keywords

Zonal Wind Vertical Wind Shear Geostrophic Wind Diurnal Tide Lower Thermosphere 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. Abreu, V. J., A. Bucholtz, P. B. Hays, D. A. Ortland, W. R. Skinner, and J.-H. Yee, Absorption and emission line shapes in the O2 atmospheric bands: Theoretical model and limb viewing simulations, Appl. Opt., 28, 2128–2137, 1989.CrossRefGoogle Scholar
  2. Andrews, D. G., J. R. Holton, and C. B. Leovy, Middle Atmosphere Dynamics, Academic Press, Orlando, FL, 1987.Google Scholar
  3. Burrage, M. D., N. Arvin, W. R. Skinner, and P. B. Hays, Observations of the O2 atmospheric band nightglow by the High Resolution Doppler Imager, J. Geophys. Res., 99, 15,017–15,023, 1994.CrossRefGoogle Scholar
  4. Burrage, M. D., M. E. Hagan, W. R. Skinner, D. L. Wu, and P. B. Hays, Long-term variability in the solar diurnal tide observed by HRDI and simulated by the GSWM, Geophys. Res. Lett., 22, 2641–2644, 1995.CrossRefGoogle Scholar
  5. Burrage, M. D., R. A. Vincent, H. G. Mayr, W. R. Skinner, N. F. Arnold, and P. B. Hays, Long term variability in the equatorial middle atmosphere zonal wind, J. Geophys. Res., 101, 12,847–12,854, 1996a.CrossRefGoogle Scholar
  6. Burrage, M. D., W. R. Skinner, D. A. Gell, P. B. Hays, A. R. Marshall, D. A. Ortland, A. H. Manson, S. J. Franke, D. C. Fritts, P. Hoffman, C. McLandress, R. Niciejewski, F. J. Schmidlin, G. G. Shepherd, W. Singer, T. Tsuda, and R. A. Vincent, Validation of mesospheric and lower thermospheric winds from the high resolution Doppler imager, J. Geophys. Res., 101, 10,365–10,392, 1996b.CrossRefGoogle Scholar
  7. Chapman, S. and R. S. Lindzen, Atmospheric Tides, Gordon and Breach, New York, 1970.Google Scholar
  8. Fleming, E. R. and S. Chandra, Equatorial zonal wind in the middle atmosphere derived from geopotential height and temperature data, J. Atmos. Sci., 46, 860–866, 1989.CrossRefGoogle Scholar
  9. Fleming, E. R., S. Chandra, J. J. Barnett, and M. Corney, Zonal mean temperature, pressure, zonal wind and geopotential height as functions of latitude, Adv. Space Res., 10, 11–59, 1990.CrossRefGoogle Scholar
  10. Fleming, E. R., S. Chandra, M. D. Burrage, W. R. Skinner, P. B. Hays, B. H. Solheim, and G. G. Shepherd, Climatological mean wind observations from the UARS high-resolution Doppler imager and wind imaging interferometer: Comparison with current reference models, J. Geophys. Res., 101, 10,455–10,473, 1996.CrossRefGoogle Scholar
  11. Forbes, J. M., Atmospheric tides 1. model description and results for the solar diurnal component, J. Geophys. Res., 87, 5222–5240, 1982.CrossRefGoogle Scholar
  12. Forbes, J. M., M. Kilpatrick, D. Fritts, A. H. Manson, and R. A. Vincent, Zonal mean and tidal dynamics from space: An empirical examination of aliasing and sampling issues, Ann. Geophys., 15, 1158–1164, 1997.CrossRefGoogle Scholar
  13. Garcia, R. R. and R. T. Clancy, Seasonal variation in equatorial mesospheric temperatures observed by SME, J. Atmos. Sci., 47, 1666–1673, 1990.CrossRefGoogle Scholar
  14. Garcia, R. R., T. J. Dunkerton, R. S. Lieberman, and R. A. Vincent, Climatology of the semiannual oscillation of the tropical middle atmosphere, J. Geophys. Res., 102, 26,019–26,032, 1997.CrossRefGoogle Scholar
  15. Hays, P. B., V. J. Abreu, M. E. Dobbs, D. A. Gell, H. J. Grassl, and W. R. Skinner, The high-resolution Doppler imager on the upper atmosphere research satellite, J. Geophys. Res., 96, 10,713–10,723, 1993.CrossRefGoogle Scholar
  16. Hays, P. B., D. Wu, M. D. Burrage, D. A. Gell, H. J. Grassl, R. S. Lieberman, A. R. Marshall, Y. T. Morton, D. A. Ortland, and W. R. Skinner, Observations of the diurnal tide from space, J. Atmos. Sci., 51, 3077–3093, 1994.CrossRefGoogle Scholar
  17. Hedin, A. E., E. L. Fleming, A. H. Manson, F. J. Schmidlin, S. K. Avery, R. R. Clark, S. J. Franke, G. J. Fraser, T. Tsuda, F. Vial, and R. A. Vincent, Empirical wind model for the upper, middle and lower atmosphere, J. Atmos. Sol.-Terr. Phys., 58, 1421–1447, 1996.CrossRefGoogle Scholar
  18. Hitchman, M. H. and C. B. Leovy, Diurnal tide in the equatorial middle atmosphere as seen in LIMS temperatures, J. Atmos. Sci., 42, 557–561, 1985.CrossRefGoogle Scholar
  19. Hitchman, M. H. and C. B. Leovy, Evolution of the zonal mean state in the equatorial middle atmosphere during October 1978–May 1979, J. Atmos. Sci., 43, 3159–3176, 1986.CrossRefGoogle Scholar
  20. Huang, T. Y. W. and A. K. Smith, The mesospheric diabatic circulation and the parameterized thermal effect of gravity wave breaking on the circulation, J. Atmos. Sci., 48, 1093–1111, 1991.CrossRefGoogle Scholar
  21. Khattatov, B. V., M. A. Geller, V. A. Yudin, P. B. Hays, and R. A. Vincent, Diurnal migrating tide as seen by HRDI/UARS. part 1: Monthly mean global meridional winds, J. Geophys. Res., 102, 4405–4422, 1997.CrossRefGoogle Scholar
  22. Leblanc, T. and A. Hauchecorne, Recent observations of mesopause temperature inversions, J. Geophys. Res., 102, 19,471–19,482, 1997.CrossRefGoogle Scholar
  23. Leovy, C. B., Simple models of thermally driven mesospheric circulations, J. Atmos. Sci., 21, 327–341, 1964.CrossRefGoogle Scholar
  24. Lieberman, R. S., Nonmigrating diurnal tides in the equatorial middle atmosphere, J. Atmos. Sci., 48, 1112–1123, 1991.CrossRefGoogle Scholar
  25. Lieberman, R. S., Long-term variationofzonal mean winds and (1,1) driving in the equatorial lower thermosphere, J. Atmos. Sol.-Terr. Phys., 59, 1483–1490, 1997.CrossRefGoogle Scholar
  26. Lieberman, R. S., Intraseasonal variability of HRDI winds in the equatorial mesosphere and lower thermosphere, J. Geophys. Res., 103, 11,221–11,228, 1998.CrossRefGoogle Scholar
  27. Lieberman, R. S. and P. B. Hays, An estimate of the momentum deposition in the lower thermosphere by the observed diurnal tide, J. Atmos. Sci., 51, 3094–3105, 1994.CrossRefGoogle Scholar
  28. Lieberman, R. S., M. D. Burrage, D. A. Gell, P. B. Hays, A. R. Marshall, D. A. Ortland, W. R. Skinner, and D. L. Wu, Zonal mean winds in the equatorial mesosphere and lower thermosphere observed by the High resolution Doppler Imager, Geophys. Res. Lett., 20, 2849–2852, 1993.CrossRefGoogle Scholar
  29. Manson, A. H., C. E. Meek, E. Fleming, S. Chandra, R. A. Vincent, A. Phillips, S. K. Avery, G. J. Fraser, M. J. Smith, J. L. Fellous, and M. Massebeuf, Comparisons between satellite-derived gradient winds and radar-derived winds from the CIRA-86, J. Atmos. Sci., 48, 411–428, 1991.CrossRefGoogle Scholar
  30. McLandress, C., G. G. Shepherd, and B. H. Solheim, Satellite observations of thermospheric tides: Results from the wind imaging interferometer on UARS, J. Geophys. Res., 101, 4093–4114, 1996.CrossRefGoogle Scholar
  31. Morton, Y. T., R. S. Lieberman, P. B. Hays, D. A. Ortland, A. R. Marshall, D. Wu, W. R. Skinner, M. D. Burrage, D. A. Gell, and J. H. Yee, Global mesospheric tidal winds observed bythe High Resolution Doppler Imager on board the Upper Atmosphere Research Satellite, Geophys. Res. Lett., 20, 1263–1266, 1993.CrossRefGoogle Scholar
  32. Ortland, D. A., P. B. Hays, W. R. Skinner, M. D. Burrage, A. R. Marshall, and D. A. Gell, A sequential estimation technique for recovering atmospheric data from orbiting satellites, in The Upper Mesosphere and Lower Thermosphere: A Review of Experiment and Theory, volume 87 of Geophysical Monograph series, edited by R. Johnson and T. Killeen, pp. 329–337, American Geophysical Union, Washington, D.C., 1995.CrossRefGoogle Scholar
  33. Ortland, D. A., P. B. Hays, W. R. Skinner, and J. H. Yee, Remote sensing of mesospheric temperature and O2(1Σ) band volume emission rates with the high resolution Doppler imager, J. Geophys. Res., 103, 1821–1835, 1998.CrossRefGoogle Scholar
  34. Palo, S. E. and S. K. Avery, Mean winds and the semiannual oscillation in the mesosphere and lower thermosphere at Christmas Island, J. Geophys. Res., 98, 20,385–20,400, 1993.CrossRefGoogle Scholar
  35. Randel, W. J., The evaluation of winds from geopotential height data in the stratosphere, J. Atmos. Sci., 44, 3097–3120, 1987.CrossRefGoogle Scholar
  36. Schoeberl, M. R., D. F. Strobel, and J. P. Apruzese, A numerical model of gravity wave breaking and stress in the mesosphere, J. Geophys. Res., 88, 5249–5259, 1983.CrossRefGoogle Scholar
  37. She, C. Y., J. R. Yu, D. A. Krueger, R. Roble, P. Keckhut, A. Hauchecorne, and M. L. Chanin, Vertical structure of the midlatitude temperature from stratosphere to mesosphere (30–105 km), Geophys. Res. Lett., 22, 377–380, 1995.CrossRefGoogle Scholar
  38. States, R. J. and C. S. Gardner, Influence of the diurnal tide and thermospheric heat sources on the formation of mesospheric temperature inversion layers, Geophys. Res. Lett., 25, 1998 (to appear).Google Scholar
  39. Wallace, J. M. and F. R. Hartranft, Diurnal wind variations, surface to 30 kilometers, Mon. Wea. Rev., 97, 446–455, 1969.CrossRefGoogle Scholar
  40. Wallace, J. M. and R. F. Tadd, Some further results concerning the vertical structure of atmospheric tidal motions within the lowest 30 kilometers, Mon. Wea. Rev., 102, 795–803, 1974.CrossRefGoogle Scholar
  41. Yudin, V. A., B. V. Khattatov, M. A. Geller, D. A. Ortland, C. McLandress, and G. G. Shepherd, Thermal tides and studies to tune the mechanistic tidal model using UARS observations, Ann. Geophys., 15, 1205–1220, 1997.CrossRefGoogle Scholar

Copyright information

© The Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS); The Seismological Society of Japan; The Volcanological Society of Japan; The Geodetic Society of Japan; The Japanese Society for Planetary Sciences. 1999

Authors and Affiliations

  1. 1.Colorado Research AssociatesBoulderUSA

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