Abstract
This paper gives results of applying Stokes’ function with different integration radii (cap sizes) for new FFT geoid solutions of Australia and Scandinavia. While Australian results show that a limited cap size or a modified Stokes kernel is necessary for optimal results, this is not true for Scandinavia, where large cap sizes are necessary. This must ultimately reflect problems in either the fit of the spherical harmonic model, or systematic errors in the terrestrial gravity data. The overall quality of the computed geoids are compared to GPS levelling, ranging from 30 cm in the Australian-wide GPS network, to 2–5 cm in national Scandinavian networks, reflecting mainly differences in quality of the available levelling data.
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References
Forsberg, R., J. Kaminskis and D. Solheim: Geoid of the Nordic and Baltic region from gravimetry and satellite altimetry. Proc. Symp. on Gravity, Geoid and Marine Geodesy, Tokyo, 1997 (in print).
Forsberg, R.: A new high-resolution geoid of the Nordic area. In: Determination of the geoid. IAG symposium 106, Milano, Proc. published by Springer Verlag, 1990.
Forsberg, R., M. G. Sideris: Geoid computations by the multi-band spherical FFT approach. Manuscripta Geodaetica, 18, pp. 82–90, 1993.
Kearsley, A. H. W.: Tests on the recovery of precise geoid height differences from gravimetry. Journal of Geophysical Res., vol. 93, B6, pp. 6559–6570, 1988.
Lemoine, F.G., D. Smith, R. Smith, L. Kunz, E. Pavlis, N. Pavlis, S. Klosko, D. Chinn, M. Torrence, R. Williamson, C. Cox, K. Rachlin, Y. Wang, S. Kenyon, R. Salman. R. Trimmer, R. Rapp and S. Nerem: The development of the NASA GSFC and DMA joint geopotential model. Proc. Symp. on Gravity, Geoid and Marine Geodesy, Tokyo, 1997 (in print).
Poutanen, M, K. Gjerde, L. Jivall, F. Madsen: Final results of the SWET-92 GPS campaign. Proc. 12th General meeting of the Nordic Geodetic Commission, Ullensvang, Norway, 1994, pp.294–303.
Wong, L., R. Gore: Accuracy of geoid heights from modified Stokes kernels. Geophys. J. R. astr. Soc., vol. 18, pp. 81–91, 1969.
Zhang, K.: An evaluation of geoid determination techniques and their application to Australian GPS heighting. Ph.d. thesis, School of Surveying and Land Information, Curtin University of Technology, Perth, WA, 1997.
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© 1998 Springer-Verlag Berlin Heidelberg
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Forsberg, R., Featherstone, W. (1998). Geoids and Cap Sizes. In: Forsberg, R., Feissel, M., Dietrich, R. (eds) Geodesy on the Move. International Association of Geodesy Symposia, vol 119. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-72245-5_27
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DOI: https://doi.org/10.1007/978-3-642-72245-5_27
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