Have a personal or library account? Click to login
Status and Prospects for Combined GPS LOD and VLBI UT1 Measurements Cover

Status and Prospects for Combined GPS LOD and VLBI UT1 Measurements

By: K. Senior,  J. Kouba and  J. Ray  
Open Access
|Nov 2010

References

  1. Altamimi Z., Collilieux X., Legrand J., Garayt B., and Boucher C. (2007). ITRF2005: A new release of the International Terrestrial Reference Frame based on time series of station positions and Earth Orientation Parameters, J. Geophys. Res., doi: 10.1029/2007JB004949, 112, B09401.10.1029/2007JB004949
  2. Böhm J., Hobiger T., Ichikawa R., Kondo T., Koyama Y., Pany A., Schuh H., and Teke K. (2010). Asymmetric tropospheric delays from numerical weather models for UT1 determination from VLBI Intensive sessions on the baseline Wettzell-Tsukuba, J. Geod., doi: 10.1007/s00190-010-0370-x, in press.10.1007/s00190-010-0370-x
  3. Eanes R. J. and Watkins M. M. (1994). Earth orientation and site coordinates from the Center for Space Research solution, in IERS Technical Note, 17, Observatoire de Paris, pp. L7-L11.
  4. Eubanks T. M. (1993). Variations in the orientation of the Earth, in Contributions of Space Geodesy in Geodynamics: Crustal Dynamics, Smith D. E. and Turcotte D. L. (eds.), AGU Geodynamics Series, 24, pp. 1-54.10.1029/GD024p0001
  5. Griffiths J. and Ray J. R. (2009). On the precision and accuracy of IGS orbits, J. Geod., doi: 10.1007/s00190-008-0237-6, 83, 277-287.10.1007/s00190-008-0237-6
  6. Gross R. S. (2006). Combinations of Earth orientation measurements: SPACE2005, COMB2005, and POLE2005, JPL Pub. 06-3, Jet Propulsion Lab., Pasadena, Calif., available at ftp://euler.jpl.nasa.gov/keof/combinations/2005/. ftp://euler.jpl.nasa.gov/keof/combinations/2005/
  7. Gross R. S. (2007). Combinations of Earth orientation measurements: SPACE2006, COMB2006, and POLE2006, JPL Pub. 07-5, Jet Propulsion Lab., Pasadena, Calif., available at ftp://euler.jpl.nasa.gov/keof/combinations/2006/. ftp://euler.jpl.nasa.gov/keof/combinations/2006/
  8. Gross R. S., Eubanks T. M., Steppe J. A., Freedman A. P., Dickey J. O., and Runge T. F. (1998). A Kalman-filter-based approach to combining independent Earth-orientation series, J. Geod., doi: 10.1007/s001900050162, 72(4), 215-235.10.1007/s001900050162
  9. Gross R. S., Fukumori I., and Menemenlis D. (2005). Atmospheric and oceanic excitation of decadal-scale Earth orientation variations, J. Geophys. Res., doi: 10.1029/2004JB003565, 110, B09405.10.1029/2004JB003565
  10. Hide R. and Dickey J. O. (1991). Earth's variable rotation, Science, 253, 629-637.10.1126/science.253.5020.62917772366
  11. Kantha L. H., Stewart J. S., and Desai S. D. (1998). Long-period lunar fortnightly and monthly ocean tides, J. Geophys. Res., 103, 12639-12647.10.1029/98JC00888
  12. Kouba J. (2002). Sub-daily Earth rotation parameters and the International GPS Service orbit/clock solution products, Stud. Geophys. Geod., 46, 9-25.10.1023/A:1019894614643
  13. Kouba J. (2003). Testing of the IERS2003 sub-daily Earth rotation parameter model, Stud. Geophys. Geod., 47, 725-739.10.1023/A:1026338601516
  14. Kouba J. and Vondrák J. (2005). Comparison of length of day with oceanic and atmospheric angular momentum series, J. Geod., doi: 10.1007/s00190-005-0467-9, 79(4-5), 256-268.10.1007/s00190-005-0467-9
  15. Luzum B. J., Ray J. R., Carter M. S., and Josties J. (2001), Recent improvements to IERS Bulletin A combination and prediction, GPS Solutions, 4(3), 34-40.10.1007/PL00012853
  16. Malkin Z. (2009). On comparison of the Earth orientation parameters obtained from different VLBI networks and observing programs, J. Geod., doi: 10.1007/s00190-008-0265-2, 83, 547-556.10.1007/s00190-008-0265-2
  17. McCarthy D. D. and Petit G., eds. (2004). IERS Conventions (2003), IERS Technical Note, 32, Verlag des Bundesamts für Kartographie und Geodäsie, Frankfurt am Main, ISBN 3-89888-884-3.
  18. Mireault Y., Kouba J., and Ray J. (1999), IGS Earth rotation parameters, GPS Solutions, 3(1), 59-72.10.1007/PL00012781
  19. Morabito D.D, Eubanks T. M., and Steppe J. A. (1988). Kalman filtering of Earth orientation changes, in The Earth's Rotation and Reference Frames for Geodesy and Geodynamics, Babcock A. K. and Wilkins G. A. (eds.), Kluwer Acad., Norwell, Mass., pp. 257-267.
  20. Ray J. R. (1996). Measurements of length of day using the Global Positioning System, J. Geophys. Res., 101(B9), 20141-20149.10.1029/96JB01889
  21. Ray J. R. (2009). An optimal, consistent approach for combination for UT1 and LOD, in Geodetic Reference Frames, H. Drewes (ed.), IAG Symposia series, vol. 134, Springer-Verlag, doi: 10.1007/978-3-642-00860-3_37, pp. 239-243.10.1007/978-3-642-00860-3_37
  22. Ray J. R., Carter W. E., and Robertson D. S. (1995). Assessment of the accuracy of daily UT1 determinations by very long baseline interferometry, J. Geophys. Res., 100(B5), 8193-8200.10.1029/95JB00151
  23. Ray J., Kouba J., and Altamimi Z. (2005). Is there utility in rigorous combinations of VLBI and GPS EOPs?, J. Geod., doi: 10.1007/s00190-005-0007-7, 79(9), 505-511.10.1007/s00190-005-0007-7
  24. Robertson D. S., Carter W. E., Campbell J., and Schuh H. (1985). Daily Earth rotation determinations from IRIS very long baseline interferometry, Nature, 316, 424-427.10.1038/316424a0
  25. Salstein D. A. and Rosen R. D. (1997). Global momentum and energy signals from reanalysis systems, in 7th Conf. on Climate Variations, American Meteorological Society, Boston, MA, pp. 344-348.
  26. Senior K., Kouba J., and Ray J. (2008a). A Kalman filter to combine VLBI UT1 and GPS LOD estimates, Geophysical Research Abstracts, 10, EGU2008-A-07532.
  27. Senior K., Kouba J., and Ray J. (2008b). A Kalman filter for improved multi-technique estimates of UT1 variations, Eos Trans. AGU, 89(53), Fall Meeting Suppl., Abstract G32A-07.
  28. Thaller D., Kruegel M., Rothacher M., Tesmer V., Schmid R., and Angermann D. (2007). Combined Earth orientation parameters based on homogeneous and continuous VLBI and GPS data, J. Geod., doi: 10.1007/s00190-006-0115-z, 81(6-8), 529-541.10.1007/s00190-006-0115-z
  29. Vondrák J. (1969). A contribution to the problem of smoothing observational data, Bull. Astron. Inst. Czech., 20, 349-355.
  30. Vondrák J. (1977). Problem of smoothing observational data II, Bull. Astron. Inst. Czech., 28, 84-89.
  31. Vondrák J. and Cepek A. (2000). Combined smoothing method and its use in combining Earth orientation parameters measured by space techniques, Astron. Astrophys. Suppl. Ser., 147, 347-359.10.1051/aas:2000306
  32. Vondrák J. and Ron C. (2005). Combining GPS and VLBI measurements of celestial motion of the Earth's spin axis and Universal time, Acta Geodynamica et Geomaterialia, 2(3), 87-94.
  33. Yoder C. F., Williams J. G., and Parke M. E. (1981). Tidal variations of Earth rotation, J. Geophys. Res., 86(B2), 881-89110.1029/JB086iB02p00881
DOI: https://doi.org/10.2478/v10018-010-0006-7 | Journal eISSN: 2083-6104 | Journal ISSN: 1509-3859
Language: English
Page range: 57 - 73
Published on: Nov 1, 2010
Published by: Polish Academy of Sciences, Space Research Centre
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2010 K. Senior, J. Kouba, J. Ray, published by Polish Academy of Sciences, Space Research Centre
This work is licensed under the Creative Commons License.

Volume 45 (2010): Issue 2 (June 2010)