Impact of the assimilation of CHAMP refractivity profiles on environment Canada global forecasts

Monthly Weather Review

Volumn 136, Issue 1, 2008, Pages 257-275

  Aparicio, Josep M ^a   Deblonde, Godelieve ^a  

^a ENVIRONMENT CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC TEMPERATURE; GLOBAL POSITIONING SYSTEM; RADIOMETERS; RADIOSONDES; TROPOSPHERE; UPPER ATMOSPHERE;

CHALLENGING MINISATELLITE PAYLOAD (CHAMP); THREE-DIMENSIONAL VARIATIONAL DATA ASSIMILATION;

WEATHER FORECASTING;

BRIGHTNESS TEMPERATURE; DATA ASSIMILATION; GPS; RADIOMETER; RADIOSONDE; SATELLITE MISSION; STRATOSPHERE; WEATHER FORECASTING;

CANADA; NORTH AMERICA;

EID: 39749171869     PISSN: 00270644     EISSN: None     Source Type: Journal    
DOI: 10.1175/2007MWR1951.1     Document Type: Article

References (36)

1. 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, 4577, doi:10.1029/2002JD003216.
2. Beyerle, G., T. Schmidt, G. Michalak, S. Heise, J. Wickert, and C. Reigber, 2005: GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique. Geophys. Res. Lett., 32, L13806, doi:10.1029/2005GL023109.
3. Côté, J., S. Gravel, A. Méthot, A. Patoine, M. Roch, and A. Staniforth, 1998: The operational CMC-MRB global environmental multiscale (GEM) model. Part I: Design considerations and formulation. Mon. Wea. Rev., 126, 1373-1395.
4. Eyre, J. R., 1994: Assimilation of radio occultation measurements into a numerical prediction system. ECMWF Tech. Memo. 199, 34 pp.
5. Fjeldbo, G., and V. R. Eshleman, 1968: The atmosphere of Mars analyzed by integral inversion of the Mariner IV occultation data. Planet. Space Sci., 16, 1035-1059.
6. Fjeldbo, G., A. J. Kliore, and V. R. Eshleman, 1971: The neutral atmosphere of Venus as studied with the Mariner V radio occultation experiments. Astron. J., 76, 123-140.
7. Gauthier, P., C. Charette, L. Fillion, P. Koclas, and S. Laroche, 1999: Implementation of a 3D variational data assimilation system at the Canadian Meteorological Centre. Part I: The global analysis. Atmos.-Ocean, 37, 103-156.
8. Hajj, G. A., and Coauthors, 2004: CHAMP and SAC-C atmospheric occultation results and intercomparisons. J. Geophys. Res., 109, D06109, doi:10.1029/2003JD003909.
9. Healy, S. B., and J. N. Thépaut, 2006: Assimilation experiments with CHAMP GPS radio occultation experiments. Quart. J. Roy. Meteor. Soc., 132, 605-623.
10. Healy, S. B., A. M. Jupp, and C. Marquardt, 2005: Forecast impact experiment with GPS radio occultation measurements. Geophys. Res. Lett., 32, L03804, doi:10.1029/2004GL020806.
11. Hoeg, P., A. Hauchecorne, G. Kirchengast, S. Syndergaard, B. Belloul, R. Leitinger, and W. Rothleitner, 1996: Derivation of atmospheric properties using a radio occultation technique. Danish Meteorological Institute Science Rep. 95-4, 208 pp.
12. Holton, J. R., 2004: Introduction to Dynamic Meteorology. 4th ed. Academic Press, 535 pp.
13. Kliore, A. J., D. L. Cain, G. Fjeldbo, B. L. Seidel, M. J. Sykes, and S. I. Rasool, 1972: The atmosphere of Mars from Mariner 9 radio occultation measurements (A 5. 5). Icarus, 17, 484-516.
14. Kuo, Y. H., S. Sokolovskiy, R. Anthes, and F. Vandenberghe, 2000: Assimilation of GPS radio occultation data for numerical weather prediction. Applications of Constellation Observing System for Meteorology, Ionosphere and Climate, L. C. Lee, C. Rocken, and R. Kursinski, Eds., Springer-Verlag, 157-186.
15. Kursinski, R., G. Hajj, S. Leroy, and B. Herman, 2000: The GPS radio occultation technique. Applications of Constellation Observing System for Meteorology, Ionosphere and Climate, L. C. Lee, C. Rocken, and R. Kursinski, Eds., Springer-Verlag, 53-114.
16. Laroche S., P. Gauthier M. Tanguay, S. Pellerin, and J. Morneau, 2005: Evaluation of the operational 4D-Var at the Meteorological Service of Canada. Preprints, 21st Conf. on Weather Analysis and Forecasting/ 17th Conf. on Numerical Weather Prediction, Washington, DC, Amer. Meteor. Soc., 14B.3.
17. Liu, H., X. Zou, H. Shao, R. A. Anthes, J. C. Chang, J.-H. Tseng, and B. Wang, 2001: Impact of 837 GPS/MET bending angle profiles on assimilation and forecasts for the period June 20-30, 1995. J. Geophys. Res., 106, 31 771-31 786.
18. Loiselet, M., N. Stricker, Y. Menard, and J. P. Luntama, 2000: GRAS - METOP's GPS-based atmospheric sounder. ESA Bulletin, Vol. 102, May, European Space Agency, 38-44.
19. Matricardi, M., 2003: RTIASI-4, a new version of the ECMWF fast radiative transfer model for the infrared atmospheric sounding interferometer. ECMWF Research Department Tech. Memo. 425, 25 pp.
20. Melbourne, W. G., and Coauthors, 1994: The application of spacebome GPS to atmospheric limb sounding and global change monitoring. Jet Propulsion Laboratory Tech. Rep. 94-18, 147 pp.
21. NIMA, 2004: Department of Defense World Geodetic System 1984: Its definition and relationships with local geodetic systems. National Geospatial Intelligence Agency Tech. Rep. TR8350.2, 175 pp.
22. Parkinson, B. W., and J. J. Spilker, Eds., 1996: Global Positioning System: Theory and Applications. 2 vols. American Institute of Aeronautics and Astronautics, 1413 pp.
23. Prabhakara, C., J. M. Yoo, and G. Dalu, 2000: Global warming: Evidence from satellite observations. Geophys. Res. Lett., 27, 3517-3520.
24. Rao, C. R. N., J. Chen, F. W. Staylor, P. Able, Y. J. Kaufman, E. Vermota, W. R. Rossow, and C. Brest, 1993: Degradation of the visible and near-infrared channels of the Advanced Very High Resolution Radiometer on the NOAA-9 spacecraft: Assessment and recommendations for corrections. NOAA Tech. Rep. NESDIS 70, 21 pp.
25. Rocken, C., and Coauthors, 1997: Analysis and validation of GPS/MET data in the neutral atmosphere. J. Geophys. Res., 102, 29 849-29 866.
26. Rocken, C., Y. H. Kuo, and W. Schreiner, 2000: COSMIC system description. Applications of Constellation Observing System for Meteorology, Ionosphere and Climate, L. C. Lee, C. Rocken, and R. Kursinski, Eds., Springer-Verlag, 21-52.
27. Rueger, J. M., 2002: Refractive index formulae for electronic distance measurement with radio and millimetre waves. School of Surveying and Spatial Information Systems, University of New South Wales, Unisurv Rep. S-68, 13 pp.
28. Turner, D. D., B. M. Lesht, S. A. Clough, J. C. Liljegren, H. E. Revercomb, and D. C. Tobin, 2003: Dry bias variability in Vaisala RS80-H radiosondes: The ARM experience. J. Atmos. Oceanic Technol., 20, 117-132.
29. Wang, J., H. L. Cole, D. J. Carlson, E. R. Miller, K. Beierle, A. Paukkunen, and T. K. Laine, 2002: Corrections of humidity measurement errors from the Vaisala RS80 radiosonde - Application to TOGA COARE data. J. Atmos. Oceanic Technol., 19, 981-1002.
30. Ware, R., and Coauthors, 1996: GPS sounding of the atmosphere from low Earth orbit: Preliminary results. Bull. Amer. Meteor. Soc., 77, 19-40.
31. Wickert, J., and Coauthors, 2001a: Atmosphere sounding by GPS radio occultation: First results from CHAMP. Geophys. Res. Lett., 28, 3263-3266.
32. Wickert, J., T. Meehan, L. Grunwaldt, and R. Galas, 2001b: GPS radio occultation with CHAMP: Initial results. Proc. Beacon Satellite Symp., Boston, MA, URSI, 59-62.
33. Wickert, J., G. Beyerle, R. König, S. Heise, L. Grunwaldt, G. Michalak, Ch. Reigber, and T. Schmidt, 2005: GPS radio occultation with CHAMP and GRACE: A first look at a new and promising satellite configuration for global atmospheric sounding. Ann. Geophys., 23, 653-658.
34. Yuan, L. L., R. A. Anthes, R. H. Ware, C. Rocken, W. D. Bonner, M. G. Bevis, and S. Businger, 1993: Sensing climate change using the global positioning system. J. Geophys. Res., 98, 14 925-14 938.
35. Zou, X., Y. H. Kuo, and Y. R. Guo, 1995: Assimilation of atmospheric radio refractivity using a nonhydrostatic mesoscale model. Mon. Wea. Rev., 123, 2229-2249.
36. Zou, X., and Coauthors, 1999: A ray-tracing operator and its adjoint for the use of GPS/MET refraction angle measurements. J. Geophys. Res., 104 (D18), 22 301-22 318.