Dr. Ch. Jacobi LIM Dr. D. Kuerschner Institute for Geophysics and Geology Collm Observatory Results from upper atmosphere wind measurements (52N, 15E) June 2000 ---------------------------------------------------------- Analyses using monthly median half-hourly winds T2z in UT Winds and amplitudes in m/s Frequency voz vom v2z T2z June 2000 Mean 14 -4 10 7.4 virtual height 96 km ---------------------------------------------------------- Results from daily analyses of wind parameters derived from mean wind values on 3 frequencies June 2000 Semidiurnal tidal phase in local mean time (LMT) = UT+1 Date voz vom v2z T2z h' 1./ 2. 6.00 28.4 -7.2 6.9 9.3 94.7 2./ 3. 6.00 9.9 4.6 15.7 7.5 91.4 3./ 4. 6.00 9.2 -5.7 20.4 7.8 94.0 4./ 5. 6.00 8.3 5.9 19.6 8.7 96.7 5./ 6. 6.00 2.9 -5.5 11.5 5.0 97.4 6./ 7. 6.00 -.6 -8.9 12.1 5.3 93.4 7./ 8. 6.00 2.8 -18.8 9.8 .8 94.3 8./ 9. 6.00 17.4 -2.2 9.6 8.5 97.7 9./10. 6.00 2.1 4.4 16.7 7.4 94.0 10./11. 6.00 6.8 -3.7 12.8 9.7 96.2 11./12. 6.00 22.5 -2.0 7.9 4.6 95.8 12./13. 6.00 13.3 -5.3 7.6 6.8 94.4 13./14. 6.00 20.1 3.0 4.4 8.0 95.7 14./15. 6.00 3.7 8.2 21.6 9.1 94.0 15./16. 6.00 21.9 -10.0 10.2 10.3 95.8 16./17. 6.00 8.1 -6.5 18.7 9.3 94.4 17./18. 6.00 13.6 -11.3 9.2 11.0 96.8 18./19. 6.00 25.1 -6.7 8.2 11.4 97.0 19./20. 6.00 9.1 -7.5 11.5 7.6 95.0 20./21. 6.00 14.3 -12.3 8.6 8.9 95.1 21./22. 6.00 13.2 -.2 9.3 6.9 95.5 22./23. 6.00 17.7 -14.0 3.5 11.1 97.4 23./24. 6.00 16.2 8.8 9.2 8.4 98.8 24./25. 6.00 12.5 -.1 17.3 8.5 94.9 25./26. 6.00 15.4 -4.1 15.3 8.6 94.4 26./27. 6.00 32.0 -3.5 7.8 7.6 97.8 27./28. 6.00 .5 -4.6 19.9 8.5 93.0 28./29. 6.00 25.1 -11.2 10.8 7.1 95.7 29./30. 6.00 6.7 -8.3 16.4 5.3 97.2 30. 6./ 1. 7.00 13.9 .1 19.4 8.4 98.3 ---------------------------------------------------------- Monthly median winds and heights - June 2000 Time vz vm N h' lower upper N (UT) quartiles .25 8 -6 30 97 95 99 30 .75 3 -4 30 97 94 99 30 1.25 -3 -2 30 96 94 98 30 1.75 2 -1 30 96 94 98 30 2.25 5 5 30 96 93 98 30 2.75 13 6 30 94 93 95 30 3.25 3 6 30 90 89 91 30 3.75 -13 4 30 90 87 91 30 4.25 -22 4 26 87 86 90 25 4.75 -39 -1 12 86 85 88 7 5.25 -37 -2 8 - - - 0 5.75 - - - - - - 0 6.25 - - - - - - 0 6.75 - - - - - - 0 7.25 - - - - - - 0 7.75 - - - - - - 0 8.25 - - - - - - 0 8.75 - - - - - - 0 9.25 - - - - - - 0 9.75 - - - - - - 0 10.25 - - - - - - 0 10.75 - - - - - - 0 11.25 - - - - - - 0 11.75 - - - - - - 0 12.25 - - - - - - 0 12.75 - - - - - - 0 13.25 - - - - - - 0 13.75 - - - - - - 0 14.25 - - - - - - 0 14.75 - - - - - - 0 15.25 - - - - - - 0 15.75 - - - - - - 0 16.25 - - - - - - 0 16.75 - - - - - - 0 17.25 - - - - - - 0 17.75 -30 4 11 90 - - 3 18.25 -5 2 25 89 86 93 15 18.75 19 -9 30 90 89 92 26 19.25 18 -13 30 91 89 93 30 19.75 23 -15 30 93 92 94 28 20.25 27 -15 30 95 94 97 30 20.75 23 -17 30 97 94 99 30 21.25 19 -17 30 97 95 102 29 21.75 21 -16 30 98 95 100 29 22.25 24 -7 30 99 97 100 29 22.75 23 -8 30 99 96 101 28 23.25 15 -3 30 98 97 99 29 23.75 14 -7 30 98 96 99 30 Chaotic velocity 177 kHz Vc/V = 1.30 270 kHz Vc/V = 1.22 225 kHz Vc/V = 1.65 ---------------------------------------------------------- Vertical profiles of monthly mean wind parameters derived from mesosphere/lower thermosphere LF D1 measurements over Central Europe (52N, 15E) June 2000 h voz vom v2z T2z km m/s m/s m/s UT 85.0 -31 -12 17 6.2 87.5 -17 -10 15 6.5 90.0 -5 -9 13 6.9 92.5 6 -7 12 7.1 95.0 15 -5 11 7.1 97.5 22 -3 10 6.9 100.0 27 -1 11 6.4 102.5 31 2 12 5.8 Monthly mean values of calculated diurnal tidal wind components at 95 km Amplitude: 10 m/s Zonal Phase: 16.3 UT ---------------------------------------------------------- Collm Observatory Ionospheric SID on 60, 75, 162 and 252 kHz Date Time 60 75 162 252 Impor- (Begin) tance (1-3) 1. 6. 0 6.10 UT x x x x 1 1. 6. 0 7.31 UT x x x 1 1. 6. 0 8.44 UT x x x x 1 2. 6. 0 6.31 UT x x x x 2 2. 6. 0 12.20 UT x x x x 1 3. 6. 0 6.34 UT x x x x 1 3. 6. 0 6.42 UT x x 1 3. 6. 0 6.55 UT x x x 1 3. 6. 0 8.02 UT x x x 1 3. 6. 0 8.31 UT x x x 1 3. 6. 0 8.45 UT x x x x 1 3. 6. 0 10.16 UT x x x 1 3. 6. 0 10.25 UT x x x x 1 3. 6. 0 14.18 UT x x x x 1 3. 6. 0 16.54 UT x x x x 1 4. 6. 0 6.27 UT x x x x 1 4. 6. 0 9.47 UT x x x x 1 5. 6. 0 11.27 UT x 1 5. 6. 0 13.54 UT x x x 1 6. 6. 0 8.08 UT x 1 6. 6. 0 8.48 UT x 1 6. 6. 0 12.02 UT x x x x 1 6. 6. 0 12.08 UT x x 1 6. 6. 0 13.12 UT x x x x 1 6. 6. 0 13.31 UT x x x x 2 6. 6. 0 13.58 UT x x x x 1 6. 6. 0 15.01 UT x x x x 2 7. 6. 0 4.41 UT x x x x 1 7. 6. 0 12.00 UT x x 1 7. 6. 0 12.30 UT x 1 7. 6. 0 15.38 UT x x x x 2 8. 6. 0 5.25 UT x x 1 8. 6. 0 9.41 UT x x 1 10. 6. 0 5.54 UT x 1 10. 6. 0 9.05 UT x x x 1 10. 6. 0 12.17 UT x x 1 10. 6. 0 13.20 UT x x 1 10. 6. 0 16.44 UT x x x 1 11. 6. 0 10.40 UT x x 2 11. 6. 0 12.51 UT x x 1 12. 6. 0 12.19 UT x x x x 1 12. 6. 0 14.58 UT x x 1 15. 6. 0 5.23 UT x x x x 1 15. 6. 0 11.30 UT x x x x 1 15. 6. 0 15.12 UT x x x 1 15. 6. 0 18.01 UT x 1 16. 6. 0 7.09 UT x x x x 1 16. 6. 0 13.23 UT x x x x 1 17. 6. 0 13.52 UT x x 1 19. 6. 0 14.29 UT x x 1 20. 6. 0 5.15 UT x 1 20. 6. 0 6.50 UT x x x x 1 21. 6. 0 7.59 UT x x x 1 21. 6. 0 9.24 UT x x x x 2 21. 6. 0 14.18 UT x x x 1 22. 6. 0 10.12 UT x x x 1 23. 6. 0 13.26 UT x x 1 23. 6. 0 14.21 UT x x x x 2 24. 6. 0 13.57 UT x x 1 25. 6. 0 6.09 UT x x x x 1 25. 6. 0 7.21 UT x x x x 1 25. 6. 0 13.55 UT x x x 1 26. 6. 0 6.34 UT x x x 1 27. 6. 0 12.46 UT x x x 1 28. 6. 0 12.17 UT x x x 1 29. 6. 0 7.47 UT x x x x 1 29. 6. 0 10.27 UT x x x x 1