Effect of ducting on radio occultation measurements: An assessment based on high-resolution radiosonde soundings

Radio Science

Volumn 42, Issue 2, 2007, Pages

  Ao, B O ^a  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ABEL INVERSION; ADVERSE EFFECT; APRIORI; BENDING ANGLE; DUCTING; ELEVATED DUCT; HIGH RESOLUTION; HIGH VERTICAL RESOLUTION; LAYER THICKNESS; LOWER ATMOSPHERE; LOWER TROPOSPHERE; MEDIAN VALUE; MIDLATITUDES; NEGATIVE BIAS; QUANTITATIVE ASSESSMENTS; RADIO OCCULTATION MEASUREMENTS; RADIO OCCULTATIONS; RADIOSONDE DATAS; REFRACTIVITY PROFILES; VERTICAL STRUCTURES;

RADIOSONDES; REFRACTION; TROPICS; WATER VAPOR; WEATHER SATELLITES;

DUCTS;

EID: 67649706021     PISSN: 00486604     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006RS003485     Document Type: Article

References (24)

1. Ahmad, B., and G. L. Tyler (1998), The two-dimensional resolution kernel associated with the retrieval of ionospheric and atmospheric refractivity profiles by Abelian inversion of radio occultation phase data, Radio Sci., 33(1), 129-142.
2. Ao, C. O., T. K. Meehan, G. A. Hajj, A. J. Mannucci, and G. Beyerle (2003), Lower troposphere refractivity bias in GPS occultation retrievals, J. Geophys. Res., 108(D18), 4577, doi:10.1029/2002JD003216.
3. Beyerle, G., M. E. Gorbunov, and C. O. Ao (2003), Simulation studies of GPS radio occultation measurements, Radio Sci., 38(5), 1084, doi:10.1029/2002RS002800.
4. Born, M., and E. Wolf (1999), Principles of Optics, 7th ed., Cambridge Univ. Press, New York.
5. Gorbunov, M. E. (2002), Canonical transform method for processing radio occultation data in the lower troposphere, Radio Sci., 37(5), 1076, doi:10.1029/2000RS002592.
6. Gorbunov, M. E., H.-H. Benzon, A. S. Jensen, M. S. Lohmann, and A. S. Nielsen (2004), Comparative analysis of radio occultation processing approaches based on Fourier integral operators, Radio Sci., 39, RS6004, doi:10.1029/ 2003RS002916.
7. Gossard, E. E., and R. G. Strauch (1983), Radar Observation of Clear Air and Clouds, Elsevier, New York.
8. Hajj, G. A., C. O. Ao, B. A. Iijima, D. Kuang, E. R. Kursinski, A. J. Mannucci, T. K. Meehan, L. J. Romans, M. de la Torre Juarez, and T. P. Yunck (2004), CHAMP and SAC-C atmospheric occultation results and intercomparisons, J. Geophys. Res., 109, D06109, doi:10.1029/2003JD003909.
9. Ishimaru, A. (1978), Wave Propagation and Scattering in Random Media, Elsevier, New York.
10. Jensen, A. S., M. S. Lohmann, H. Benzon, and A. S. Nielsen (2003), Full spectrum inversion of radio occultation signals, Radio Sci., 38(3), 1040, doi:10.1029/2002RS002763.
11. Kursinski, E. R., G. A. Hajj, J. T. Schofield, R. P. Linfield, and K. R. Hardy (1997), Observing Earth's atmosphere with radio occultation measurements using the Global Positioning System, J. Geophys. Res., 102(D19), 23, 429-23, 465.
12. Palmer, P. I., J. J. Barnett, J. R. Eyre, and S. B. Healy (2000), A nonlinear optimal estimation inverse method for radio occultation measurements of temperature, humidity, and surface pressure, J. Geophys. Res., 105(D13), 17, 513-17, 526.
13. Patterson, W. L. (1982), Climatology of marine atmospheric refractive effects: A compendium of the Integrated Refractive Effects Prediction System (IREPS) historical summaries, Tech. Rep. 573 (ADA155241), Nav. Ocean Syst. Cent., San Diego, Calif.
14. Purves, C. P. (1974), Geophysical aspects of atmospheric refraction, NRL Rep. 7725 (AD0780433), Nav. Res. Lab., Washington, D. C.
15. Smith, E. K., and S. Weintraub (1953), The constants in the equation for atmospheric refractive index at radio frequencies, Proc. IRE, 41, 1035-1037.
16. Sokolovskiy, S. V. (2001), Tracking tropospheric radio occultation signals from low Earth orbit, Radio Sci., 36(3), 483-498.
17. Sokolovskiy, S. (2003), Effect of superrefraction on inversions of radio occultation signals in the lower troposphere, Radio Sci., 38(3), 1058, doi:10.1029/2002RS002728.
18. Solheim, F. S., J. Vivekanandan, R. H. Ware, and C. Rocken (1999), Propagation delays induced in GPS signals by dry air, water vapor, hydrometeors, and other particulates, J. Geophys. Res., 104(D8), 9663-9670.
19. von Engeln, A., and J. Teixeira (2004), A ducting climatology derived from the European Centre for Medium-Range Weather Forecasts global analysis fields, J. Geophys. Res., 109, D18104, doi:10.1029/2003JD004380 (Pubitemid 39621629)
20. von Engeln, A., G. Nedoluha, and J. Teixeira (2003), An analysis of the frequency and distribution of ducting events in simulated radio occultation measurements based on ECMWF fields, J. Geophys. Res., 108(D21), 4669, doi:10.1029/ 2002JD003170.
21. von Engeln, A., J. Teixeira, J. Wickert, and S. A. Buehler (2005), Using CHAMP radio occultation data to determine the top altitude of the planetary boundary layer, Geophys. Res. Lett., 32, L06815, doi:10.1029/2004GL022168.
22. Wang, L., and M. A. Geller (2003), Morphology of gravitywave energy as observed from 4 years (1998-2001) of high vertical resolution U. S. radiosonde data, J. Geophys. Res., 108(D16), 4489, doi:10.1029/2002JD002786.
23. Xie, F., S. Syndergaard, E. R. Kursinski, and B. M. Herman (2006), An approach for retrieving marine boundary layer refractivity from GPS occultation data in the presence of superrefraction, J. Atmos. Oceanic Technol., 23, 1629-1644.
24. Zou, X., B. Wang, H. Liu, R. A. Anthes, T. Matsumura, and Y.-J. Zhu (2000), Use of GPS/MET refraction angles in threedimensional variational analysis, Q. J. R. Meteorol. Soc., 126(570), 3013-3040.