Studies of polar mesosphere summer echoes over EISCAT using calibrated signal strengths and statistical parameters

Radio Science

Volumn 32, Issue 4, 1997, Pages 1425-1444

  Hocking, W K ^a   Rottger J ^b  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

^b EISCAT SCIENTIFIC ASSOCIATION   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC TURBULENCE; CALCULATIONS; CARRIER CONCENTRATION; ELECTROMAGNETIC WAVE BACKSCATTERING; ELECTROMAGNETIC WAVE SCATTERING; FREQUENCIES; RADAR; RADAR CROSS SECTION; STATISTICAL METHODS; BACKSCATTERING; CALIBRATION; ELECTRON DENSITY MEASUREMENT; ENERGY DISSIPATION; ROCKETS; TURBULENCE;

EUROPEAN INCOHERENT SCATTER; POLAR MESOSPHERE SUMMER ECHOES; VERY HIGH FREQUENCY;

IONOSPHERIC ELECTROMAGNETIC WAVE PROPAGATION; IONOSPHERE;

ABSOLUTE BACKSCATTER; AMPLITUDE DISTRIBUTIONS; BACKSCATTER STRENGTH; ELECTRON DENSITY FLUCTUATIONS; POLAR MESOSPHERE SUMMER ECHOES; STATISTICAL PARAMETERS; THEORETICAL MODELING; TURBULENT ENERGY DISSIPATION RATE;

EID: 0031192144     PISSN: 00486604     EISSN: None     Source Type: Journal    
DOI: 10.1029/97RS00716     Document Type: Article

References (55)

1. Alcala, C.M., J. Röttger, and M.C. Kelley, Spatial interferometry measurements of polar mesosphere summer echoes with the EISCAT VHF radar, Radio Sci., 30, 1205-1218, 1995.
2. Balsley, B.B., W.L. Ecklund, and D.C. Fritts, Mesospheric radar echoes at Poker Flat, Alaska: Evidence for seasonally dependent generation mechanisms, Radio. Sci., 18, 1053-1058, 1983.
3. Batchelor, G.K., The application of similarity theory of turbulence to atmospheric diffusion, Quart. J. R. Meteorol. Soc., 76, 133-146, 1950.
4. Bolgiano, R., Jr., The general theory of turbulence - Turbulence in the atmosphere, in Winds and Turbulence in the Stratosphere, Mesosphere, and Ionosphere, edited by K. Rawer, pp. 371-400, North-Holland, New York, 1968.
5. Cho, J.Y.N., and M.C. Kelley, Polar mesosphere summer radar echoes: Observations and current theories, Rev. Geophys., 31(3), 243-265, 1993.
6. Cho, J.Y.N., T.M. Hall, and M.C. Kelley, On the role of charged aerosols in polar mesosphere summer echoes, J. Geophys. Res., 97, 875-886, 1992a.
7. Cho, J.Y.N., M.C. Kelley, and C.J. Heinselman, Enhancement of Thomson scatter by charged aerosols in the polar mesosphere: Measurements with a 1.29-GHz radar, Geophys. Res. Lett., 19, 1097-1100, 1992b.
8. Cho, J.Y.N., W.E. Swartz, M.C. Kelley, and C.A. Miller, CUPRI observations of PMSE during salvo B of NLC-91: Evidence of both partial reflection and turbulent scatter, Geophys. Res. Lett., 20, 2291-2294, 1993.
9. Cho, J.Y.N., C.M. Alcala, M.C. Kelley, and W.E. Swartz, Further effects of charged aerosols on summer mesospheric radar scatter, J. Atmos. Terr. Phys., 58, 661-672, 1996.
10. Czechowsky, P., I.M. Reid, and R. Rüster, VHF radar measurements of the aspect sensitivity of the summer polar mesopause echoes over Andenes (69°N, 16°E), Norway, Geophys. Res. Lett., 15, 1259-1262, 1988.
11. Ecklund, W.L., and B.B. Balsley, Long-term observations of the arctic mesosphere with the MST radar at Poker Flat, Alaska, J. Geophys. Res., 86, 7775-7780, 1981.
12. Franke, S.J., J. Röttger, C. La Hoz, and C.H. Lin, Frequency domain interferometry of polar mesosphere summer echoes with the EISCAT VHF radar, Radio Sci., 27, 417-428, 1992.
13. Gossard E.E., and A.S. Frisch, Relationship of the variances of temperature and velocity to atmospheric static stability - Application to radar and acoustic sounding, J. Clim. and Appl. Meteorol, 26, 1021-1036, 1987.
14. Hall, C., Modification of the energy-wavenumber spectrum for heavy proton hydrates as tracers for isotropic turbulence at the summer mesopause, J. Geophys. Res., 95, 5549-5556, 1990.
15. Havnes, O., U. de Angelis, R. Bingham, C.K. Goertz, G.E. Morfill, and V. Tsytovich, On the role of dust in the summer mesopause, J. Atmos. Terr. Phys., 52, 637-643, 1990.
16. Havnes, O., F. Melandso, C. La Hoz, T.K. Aslaksen, and T. Hartquist, Charged dust in the Earth's mesopause: Effects on radar backscatter, Phys. Scr., 45, 535-544, 1992.
17. Hocking, W.K., On the extraction of atmospheric turbulence parameters from radar backscatter Doppler spectra, I, Theory, J. Atmos. Terr. Phys., 45, 89-102, 1983.
18. Hocking, W.K., Measurement of turbulent energy dissipation rates in the middle atmosphere by radar techniques: A review, Radio Sci., 20, 1403-1422, 1985.
19. Hocking, W.K., Reduction of the effects of non-stationarity in studies of amplitude statistics of radio wave backscatter, J. Atmos. Terr. Phys., 49, 1119-1131, 1987a.
20. Hocking, W.K., Radar studies of small scale structure in the upper middle atmosphere and lower ionosphere, Adv. Space Res., 7(10), 327-338, 1987b.
21. Hocking, W. K., Target parameter estimation, in Middle Atmosphere Program Handbook, vol. 30, pp. 228-268, SCOSTEP Seer., Dep. of Electr. Comput. Eng., Univ of Ill., Urbana, 1989.
22. Hocking, W.K., On the relationship between the strength of atmospheric radar backscatter and the intensity of atmospheric turbulence, Adv. Space Res., 12(10), 207-213, 1992.
23. Hocking, W.K., An assessment of the capabilities and limitations of radars in measurements of upper atmosphere turbulence, Adv. Space Res., 17(11), 37-47, 1996a.
24. Hocking, W.K., Some new perspectives on viscosity and thermal conduction waves as a cause of "specular" reflectors in radar studies of the atmosphere, Proceedings of the Seventh Workshop on Technical and Scientific Aspects of MST Radar, in STEP Handbook, edited by B. Edwards, pp. 82-85, Solar Terr. Energy Program, Natl. Oceanic and Atmos. Admin., Boulder, Colo., 1996b.
25. Hocking, W.K., and A.M. Hamza, A quantitative measure of the degree of anisotropy of turbulence in terms of atmospheric parameters, with particular relevance to radar studies, J. Atmos. Terr. Phys., in press, 1997.
26. Hocking, W.K., and J. Röttger, Pulse-length dependence of radar signal strengths for Fresnel backscatter, Radio Sci., 18, 1312-1324, 1983.
27. Hocking, W.K., and R.A. Vincent, A comparison between HF partial reflection profiles from the d-region and simultaneous Langmuir probe electron density measurements, J. Atmos. Terr. Phys., 44, 843-854, 1982a.
28. Hocking, W.K., and R.A. Vincent, Comparative observations of D-region HF partial reflections at 2 and 6 MHz, J. Geophys. Res., 87, 7615-7624, 1982b.
29. Hocking, W.K., R. Rüster, and P. Czechowsky, Absolute reflectivities and aspect sensitivities of VHF radio wave scatterers measured with the SOUSY radar, J. Atmos. Terr. Phys., 48, 131-144, 1986.
30. Hocking, W.K., S. Fukao, M. Yamamoto, T. Tsuda, and S. Kato, Viscosity waves and thermal-conduction waves as a cause of "specular" reflectors in radar studies of the atmosphere, Radio Sci. 26, 1281-1303, 1991.
31. Hoppe, U.-P., C. Hall, and J. Röttger, First observations of summer polar mesospheric backscatter with a 224-MHz radar, Geophys. Res. Lett., 15, 28-31, 1988.
32. Hoppe, U.-P., D.C. Fritts, I.M. Reid, P. Czechowsky, C.M. Hall, and T.L. Hansen, Multiple-frequency studies of the high-latitude summer mesopause: Implications for scattering processes, J. Atmos. Terr. Phys., 52, 907-926, 1990.
33. Hoppe, U.-P., E.V. Thrane, T.A. Blix, F.-J. Luebken, J.Y. Cho, and W.E. Swartz, Studies of polar mesosphere summer echoes by VHF radar and rocker probes, Adv. Space Res., 14(9), 139-148, 1994.
34. Inhester, B., J.C. Ulwick, J.Y.N. Cho, M.C. Kelley, and G. Schmidt, Consistency of rocket and radar electron density observations: Implication about the anisotropy of mesospheric turbulence, J. Atmos. Terr. Phys., 52, 855-873, 1990.
35. Kelley, M.C., and J.C. Ulwick, Large- and small-scale organization of electrons in the high-latitude mesosphere: Implications from the STATE experiment, J. Geophys. Res., 93, 7001-7008, 1988.
36. Kelley, M.C., D.T. Farley, and J. Röttger, The effect of cluster ions on anomalous VHF backscatter from the summer polar mesosphere, Geophys. Res. Lett., 14, 1031-1034, 1987.
37. Krauss, J.D., Radioastronomy, McGraw-Hill, New York, 1966.
38. Liszka, L., and H. Westin, Detection of 2 Hz infrasound produced by moving auroral electrojets, paper presented at the Specialist Meeting of the Electromagnetic Wave Propagation Panel of Advisory Group for Aerospace Research and Development (AGARD), Weisbaden, W. Germany, April 17-21, 1972.
39. Luebken, F.-J., G. Lehmacher, T. Blix, U.-P. Hoppe, E. Thrane, J. Cho, and W. Swartz, First in-situ observations of neutral and plasma density fluctuations within a PMSE layer, Geophys. Res. Lett., 20, 2311-2314, 1993.
40. Pedersen, A., J. Troim, and J.A. Kane, Rocket measurements showing removal of electrons above the mesopause in summer at high latitudes, Planet. Space Sci., 18, 945-947, 1970.
41. Rind, D., Heating of the lower thermosphere by the dissipation of acoustic waves, J. Atmos. Terr. Phys., 39, 445-456, 1977.
42. Röttger, J., Polar mesosphere summer echoes: Dynamics and aeronomy of the mesosphere, Adv. Space Res., 14(9), 123-137, 1994a.
43. Röttger, J. Middle atmosphere and lower thermosphere processes at high latitudes studied with the EISCAT radars, J. Atmos. Terr. Phys., 56, 1173-1195, 1994b.
44. Röttger, J., and C. La Hoz, Characteristics of polar mesosphere summer echoes (PMSE) observed with the EIS-CAT 224-MHz radar and possible explanations of their origins, J. Atmos. Terr. Phys., 52, 893-906, 1990.
45. Röttger, J., and C. J. Pan, Structures of polar mesosphere summer echoes observed with the EISCAT VHF radar in the interferometer mode, in Proceedings of the 6 th MST Radar Workshop, edited by B. Edwards, pp. 252-255, Solar Terr. Energy Program, Natl. Oceanic and Atmos. Admin., Boulder, Colo., 1995.
46. Röttger, J., C. LaHoz, M.C. Kelley, U.-P. Hoppe, and C. Hall, The structure and dynamics of polar mesosphere summer echoes observed with the EISCAT 224-MHz radar, Geophys. Res. Lett., 15, 1353-1356, 1988.
47. Röttger, J., M.T. Rietveld, C. La Hoz, T. Hall, M.C. Kelley, and W.E. Swartz, Polar mesosphere summer echoes observed with the EISCAT 933-MHz radar and the CUPRI 46.9-MHz radar, their similarity to 224-MHz radar echoes, and their relation to turbulence and electron density profiles, Radio Sci., 25, 671-687, 1990.
48. Sidi, C., and F. Dalaudier, Turbulence in the stratified atmosphere: Recent theoretical developments and experimental results, Adv. Space Res., 10(10), 25-36, 1990.
49. Thomas, L., and I. Astin, The form of meter-scale turbulence at mesopause heights in summer, J. Atmos. Terr. Phys., 56, 467-478, 1994.
50. Ulwick, J.C., K.D. Baker, M.C. Kelley, B.B. Balslev and W.L. Ecklund, Comparison of simultaneous MST radar and electron density probe measurements during STATE, J. Geophys. Res., 93, 6989-7000, 1988.
51. Ulwick, J.C., M.C. Kelley, C. Alcala, T.A. Blix, and E.V. Thrane, Evidence for two different structuring and scattering mechanisms and the associated role of aerosols in the polar summer mesosphere, Geophys. Res. Lett., 20, 2307-2310, 1993.
52. Watkins, B.J., C.R. Philbrick, and B.B. Balsley, Turbulence energy dissipation rates and inner scale sizes from rocket and radar data, J. Geophys. Res., 93, 7009-7014, 1988.
53. Weinstock, J., On the theory of turbulence in the buoyancy subrange of stably stratified flows, J. Atmos. Sci., 35, 634-649, 1978.
54. Wilson, C.R., Auroral infrasonic wave generation mechanism, paper presented at the Specialist Meeting of the Electromagnetic Wave Propagation panel of Advisory Group for Aerospace Research and Development conference proceedings (AGARD), Weisbaden, W. Germany, April 17-21, 1972.
55. Woodman, R.F., and Y.-H. Chu, Aspect sensitivity measurements of VHF backscatter made with the Chung-Li radar: Plausible mechanisms, Radio Sci., 24, 113-125, 1989.