An Earth Gravitational Model to Degree 2160:

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UNCLASSIFIED
An Earth Gravitational Model to Degree
2160 EGM2008
Nikolaos K. Pavlis, Simon A. Holmes, Steve C.
Kenyon, and John K. Factor EGU General Assembly
2008 Vienna, Austria, April 13-18,
2008 Nikolaos.K.Pavlis_at_nga.mil
APPROVED FOR PUBLIC RELEASE 07-224
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Progress since the IUGG 2007 Meeting in Perugia
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5??5? ?g Data Availability (v010808)
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5??5? ?g Data Sources (v010808)
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5??5? ?g Data Standard Deviations (v010808)
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Statistics of 5??5? ?g Data of v010808
(mGal)
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The Development of EGM2008
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Spectra Related to the EGM2008 Model
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5??5? Residual ?g
(Nmax180)
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5??5? ??g ITG-GRACE03S - EGM2008 (Nmax120)
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GPS/Leveling Comparisons Over CONUS
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GPS/Leveling Comparisons Globally
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RMS Differences with Astron. Deflections of
Vertical
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6??6? ?SSH DNSC08B - EIGEN-GL04C (Nmax360)
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6??6? ?SSH DNSC08B - EGM2008
(Nmax2190)
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1?1 ?DOT ECCO - EIGEN-GL04C
(Nmax360)
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1?1 ?DOT ECCO - EGM2008
(Nmax2190)
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Comparisons with TOPEX/Poseidon Altimetry
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Residual Sea Surface Slope EGM96
(Nmax360)
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Residual Sea Surface Slope EGM08
(Nmax2190)
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GRACE K-Band Range-Rate RMS Residual per 24-h Arc
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5??5? ? Commission Error EGM2008
(Nmax2159)
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EGM2008 Commission Error Estimates
(Nmax2159)
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Summary and Model Availability
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Acknowledgements
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Backup Slides
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Inter-Comparison of Altimetry-Derived 5??5? ?g
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GPS/Leveling Comparisons Over Australia (Mainland)
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GPS/Leveling Comparisons Over Australia (SWSZ)
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6??6? ?SSH DNSC08B - GGM02C_EGM96 (Nmax360)
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1?1 ?DOT ECCO - GGM02C_EGM96 (Nmax360)
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5??5? ? Commission Error EGM2008
(Nmax2159)
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5??5? ? Commission Error EGM2008
(Nmax2159)
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UNCLASSIFIED
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