Turbulence and gravity waves in the vicinity of a midtropospheric warm front: A case study using VHF echo-intensity measurements and radiosonde data

Radio Science

Volumn 32, Issue 3, 1997, Pages 1161-1178

  Muschinski, Andreas ^a,b  

^a LEIBNIZ UNIVERSITY HANNOVER   (Germany)

^b NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC OPTICS; GRAVITY WAVES; RADAR; RADIOSONDES; TURBULENCE; ATMOSPHERIC TURBULENCE; NATURAL FREQUENCIES; REFRACTIVE INDEX; SIGNAL NOISE MEASUREMENT; TROPOSPHERE;

ALTITUDE REGIONS; FREE TROPOSPHERE; RADIOSONDE DATAS; REFRACTIVE INDEX STRUCTURE PARAMETER; RICHARDSON NUMBER; STATIC STABILITY; VERTICAL DISPLACEMENTS; VERTICAL GRADIENTS;

REFRACTIVE INDEX; RADAR MEASUREMENT;

VERY HIGH FREQUENCY ECHO INTENSITY MEASUREMENTS;

EID: 0031131365     PISSN: 00486604     EISSN: None     Source Type: Journal    
DOI: 10.1029/97RS00054     Document Type: Article

References (32)

1. Atlas, D. (Ed.), Radar in Meteorology, 806 pp., Am. Meteorol. Soc., Boston, Mass., 1990.
2. Clark, T. L., T. Hauf, and J. P. Kuettner, Convectively forced internal gravity waves: Results from two-dimensional numerical experiments, Q. J. R. Meteorol. Soc., 112, 899-925, 1986.
3. Cohn, S. A., Radar measurements of turbulent eddy dissipation rate in the troposphere: A comparison of techniques, J. Atmos. Oceanic Technol., 12, 85-95, 1995.
4. Czechowsky, P., G. Schmidt, and R. Rüster, The mobile SOUSY Doppler radar: Technical design and first results, Radio Sci., 19, 441-450, 1984.
5. Deutscher Wetterdienst, Europäischer Wetterbericht, Amtsblatt des Deutschen Wetterdienstes, 18(291), Offenbach, Germany, 1993.
6. Doviak, R. J., and D. S. Zrnić, Reflection and scatter formula for anisotropically turbulent air, Radio Sci., 19, 325-336, 1984.
7. Doviak, R. J., and D. S. Zrnić, Doppler Radar and Weather Observations, 2nd ed., 562 pp., Academic, San Diego, Calif., 1993.
8. Fairall, C. W., A. B. White, and D. W. Thomson, A stochastic model of gravity-wave-induced clear-air turbulence, J. Atmos. Sci., 15, 1771-1790, 1991.
9. Fritts, D. C., and P. K. Rastogi, Convective and dynamical instabilities due to gravity wave motion in the lower and middle atmosphere: Theory and observations, Radio Sci., 20, 1247-1277, 1985.
10. Gage, K. S., Radar observations of the free atmosphere: Structure and dynamics, in Radar in Meteorology, edited by D. Atlas, pp. 534-565, Am. Meteorol. Soc., Boston, Mass., 1990.
11. Hauf, T., Aircraft observation of convection waves over Southern Germany - A case study, Mon. Weather Rev., 122, 3282-3290, 1993.
12. Hauf, T., and T. L. Clark, Three-dimensional numerical experiments on convectively forced internal gravity waves, Q. J. R. Meteorol. Soc., 115, 309-333, 1989.
13. Larsen, M. F., and J. Röttger, Observations of frontal zone and tropopause structures with a VHF Doppler radar and rawinsondes, Radio Sci., 20, 1223-1232, 1985.
14. Muschinski, A., C. Jacobi, A. H. Siemer, P. Czechowsky, and R. Rüster, Quasi-specular reflection observed with the SOUSY-VHF-Radar: Comparison with aircraft and rawinsonde measurements, in Preprints of the 9th Symposium on Meteorological Observations and Instrumentation, pp. 139-144, Am. Meteorol. Soc., Boston, Mass., 1995.
15. Nastrom, G. D., and F. D. Eaton, The coupling of gravity waves and turbulence at White Sands, New Mexico, from VHF radar observations, J. Appl. Meteorol., 32, 81-87, 1993.
16. Nastrom, G. D., W. L. Ecklund, K. S. Gage, and R. G. Strauch, The diurnal variation of backscattered power from VHF Doppler radar measurements in Colorado and Alaska, Radio Sci., 20, 1509-1518, 1985.
17. Ottersten, H., Radar backscattering from the turbulent clear atmosphere. Radio Sci., 4, 1251-1255, 1969a.
18. Ottersten, H., Mean vertical gradient of potential refractive index in turbulent mixing and radar detection of CAT, Radio Sci., 4, 1247-1249, 1969b.
19. Ottersten, H., Atmospheric structure and radar backscattering in clear air, Radio Sci., 4, 1179-1193, 1969c.
20. Prandtl, L., Über die ausgebildete Turbulenz, Z. Angew. Math. Mech., 5, 136-139, 1925.
21. Röttger, J., VHF radar observations of a frontal passage, J. Appl. Meteorol., 18, 85-91, 1979.
22. Sato, K., H. Hashiguchi, and S. Fukao, Gravity waves and turbulence associated with cumulus convection observed with the UHF/VHF clear-air Doppler radars, J. Geophys. Res., 100(D4), 7111-7119, 1995.
23. Schmidt, G., R. Rüster, and P. Czechowsky, Complementary code and digital filtering for detection of weak VHF radar signals from the mesosphere, IEEE Trans. Geosci. Electron., GE-17, 154-161, 1979.
24. Shutts, G., Observations and numerical model simulation of a partially trapped lee wave over the Welsh Mountains, Mon. Weather Rev., 120, 2056-2066, 1992.
25. Shutts, G., and A. Broad, A case study of lee waves over the Lake District in northern England, Q. J. R. Meteorol. Soc., 119, 377-408, 1993.
26. Tatarskii, V. I., Wave-Propagation in a Turbulent Medium, 285 pp., McGraw-Hill, New York, 1961.
27. Tsuda, T., P. T. May, T. Sato, S. Kato, and S. Fukao, Simultaneous observations of reflection echoes and refractive index gradient in the troposphere and lower stratosphere, Radio Sci., 23, 655-665, 1988.
28. Tsuda, T., T. Inoue, D. C. Fritts, T. E. VanZandt, S. Kato, T. Sato, and S. Fukao, MST radar observations of a saturated gravity wave spectrum, J. Atmos. Sci., 46, 2440-2447, 1989.
29. VanZandt, T. E., J. L. Green, K. S. Gage, and W. L. Clark, Vertical profiles of refractivity turbulence structure constant: Comparison of observations by the Sunset radar with a new theoretical model, Radio Sci., 13, 819-829, 1978.
30. Weinstock, J., The turbulence field generated by a linear gravity wave, J. Atmos. Sci., 44, 410-420, 1987.
31. Weinstock, J., Superadiabatic excess and gravity wave saturation, J. Atmos. Sci., 45, 3519-3520, 1988.
32. Weinstock, J., Saturated and unsaturated spectra of gravity waves and scale-dependent diffusion, J. Atmos. Sci., 47, 2211-2225, 1990.