Turbulence characteristics in the tropical mesosphere as obtained by MST radar at Gadanki (13.5° N, 79.2° E)

Annales Geophysicae

Volumn 19, Issue 8, 2001, Pages 1019-1025

  Sasi, M N ^a   Vijayan, L ^a  

^a INDIAN SPACE RESEARCH ORGANISATION   (India)

Author keywords

Meteorology and atmospheric dynamics (middle atmosphere dynamics; tropical meteorology; wave and tides)

Indexed keywords

EID: 5844219977     PISSN: 09927689     EISSN: None     Source Type: Journal    
DOI: 10.5194/angeo-19-1019-2001     Document Type: Article

References (31)

1. Allen, S. J., and Vincent, R. A., Gravity wave activity in the lower atmosphere: Seasonal and latitudinal variations, J. Geophys. Res., 100, 1327-1350, 1995.
2. Blix, T. A., Thrane, E. V., Fritts, D. C., von Zahn, U., Lubken, F.-J., Hillert, W., Blood, S. P., Mitchell, J. D., Kokin G. A., and Pakhamov, S. V., Small-scale structure observed in-situ during MAC/EPSILON, J. Atmos. Terr. Phys., 52, 835-854, 1990.
3. Czechowsky, P. and Ruster, R., VHF radar observations of turbulent structures in the polar mesopause region, Ann. Geophysicae, 15, 1028-1036, 1997.
4. CIRA 1986, COSPAR international reference atmosphere: 1986, Part II: Middle atmosphere models, edited by D. Rees, J. J. Barnett, and K. Labitzke, pp. 357-381, Pergamon Press, Elmsford, New York, 1990.
5. Clark, T. E., Hauf, T., and Kuettner, J. P., Convectively forced internal gravity waves: Results from two-dimensional numerical experiments, Quart. J. Roy. Meteorol. Soc. 112, 899-925, 1986.
6. Fritts, D. C., Shear excitation of atmospheric gravity waves, J. Atmos, Sci., 39, 1936-1952, 1982.
7. Fritts, D. C., Shear excitation of atmospheric gravity waves, part II: Non-linear radiation from a free shear layer, J. Atmos. Sci., 41, 524-537, 1984.
8. Fritts, D. C. and Luo, Z., Gravity wave excitation by geostrophic adjustment of the jet stream, Part I: Two-dimensional forcing, J. Atmos. Sci., 49, 681-697, 1992.
9. Fritts, D. C. and Nastrom, G. D., Sources of mesoscale variability of gravity waves II: Frontal, convective, and jet stream excitation, J. Atmos. Sci., 49, 111-127, 1992.
10. Fukao, S., Yamanaka, M. D., Ao, N., Hocking, W. K., Sato, T., Yamamoto, M., Nakamura, T., Tsuda, T., and Kato, S., Seasonal variability of vertical eddy diffusivity in the middle atmosphere. 1. Three-year observations by the middle and upper atmosphere radar, J. Geophys. Res., 99, 18973-18987, 1994.
11. Gage, K. S. and Balsley, B. B., MST radar studies of wind and turbulence in the middle atmosphere, J. Atmos. Terr. Phys., 46, 739-753, 1984.
12. Hirota, I., Climatology of gravity waves in the middle atmosphere, in Dynamics of the Middle Atmosphere, edited by J. R. Holton, and T. Matsuno, Terra Sientific Publishing Company, Tokyo, Japan, 65-67, 1984.
13. Hocking, W. K., Measurement of turbulent energy dissipation rates in the middle atmosphere by radar techniques: a review., Radio Sci., 20, 1403-1422, 1985.
14. Hocking, W. K., Target parameters estimation, MAP Hand Book, 30, 228-268, 1989.
15. Hocking, W. K., Turbulence in the region 80-120 km., Adv. Space Res., 10(12), 153-161, 1990.
16. Hodges, R. R., Generation of turbulence in the upper atmosphere by internal gravity waves, J. Geophys. Res., 72, 3455-3458, 1967.
17. Hodges, R. R., Eddy diffusion coefficients due to instabilities in internal gravity waves, J. Geophys. Res., 74, 4087-4090, 1969.
18. Kurosaki, S., Yamanaka, M. D., Hashiguchi, H., Sato, T., and Fukao, S., Vertical eddy difusivity in the lower and middle atmosphere: a climatology based on the MU radar observations during 1986-1992, J. Atmos. Terr. Phys., 58, 727-734, 1996.
19. Lindzen, R. S., Turbulence and stress owing to gravity waves and tidal breakdown, J. Geophys. Res., 86, 9707-9714, 1981.
20. Lubken , F.-J., von Zahn, U., Thrane, E. V., Blix, T., Kokin, G. A., and Pakhomov, S. V., In-situ measurements of turbulent energy dissipation rates and eddy diffussion coefficients during MAP/WINE, J. Atmos. Terr. Phys., 49, 763-775, 1987.
21. Lubken, F.-J., Hillert, W., Lehmacher, G., and von Zahn, U., Experiments revealing small impact of turbulence on the energy revealing small impact of turbulence on the energy budget of the mesosphere and lower thermosphere, J. Geophys. Res., 98, 20369-20384, 1993.
22. McIntyre, M. E., On dynamics and transport near the polar mesopause in summer, J. Geophys. Res., 94, 14617-14628, 1989.
23. McLandress, C., Alexander, M. J., and Wu, D. L., Microwave Limb Sounder observations of gravity waves in the stratosphere: A climatology and interpretation , J. Geophys. Res., 105, 11947-11967, 2000.
24. Nastrom, G. D. and Fritts, D. C., Sources of mesoscale variability of gravity waves, I: Topographic excitation, J. Atmos. Sci., 49, 101-110, 1992.
25. Nastrom, G. D., Fritts, D. C., and Gage, K. S., An investigation of terrain effects on the mesoscale spectrum of atmospheric motions, J. Atmos. Sci., 44, 3087-3096, 1987.
26. Rao, P. B., Jain, A. R., Kishore, P., Balamuralidhar, P., Damle, S. H., and Viswanathan, G., Indian MST radar 1, system description and sample vector wind measurements in ST mode, Radio Sci., 30, 1125-1138, 1995.
27. Röttger, J., The use of experimentally deduced Brunt-Vaisala frequency and turbulent velocity fluctuations to estimate the eddy diffusion coefficient. MAP Handbook, 20, 173-178, 1986.
28. Sasi, M. N. and Sengupta, K. , A reference atmosphere for Indian equatorial zone from surface to 80 km-1985. Scientific report SPL: SR:006:85, Space Physics Laboratory, Vikram Sarabhai Space Centre. Trivandrum, India, 1986.
29. Tsuda, T., Murayama, Y., Yamamoto, M., Kato, S., and Fukao, S., Seasonal variations of momentum flux in the mesosphere observed with the MU radar, Geophys. Res. Lett., 17, 725-728, 1990.
30. Tsuda, T. Nishida, M., Rocken, C., and Ware, R. H., A global climatology of gravity wave activity in the stratosphere revealed by the GPS occultation data (GPS/MET), J. Geophys. Res., 105, 7257-7273, 2000.
31. Weinstock, J., Vertical turbulent diffusion in a stably stratified fluid, J. Atmos. Sci., 35, 1022-1027, 1978.