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P. Ditmar results 14 · Newest (Page 1/1, per page 25)
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Statistically optimal estimation of Greenland Ice Sheet mass variations from GRACE monthly solutions using an improved mascon approachNARA Subscribed
Journal of Geodesy · 2018 · Vol. 92 · Issue 3 · Springer
J. Ran; P. Ditmar; R. Klees; H. H. Farahani
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Earth’s gravity field modelling based on satellite accelerations derived from onboard GPS phase measurementsNARA Subscribed
Journal of Geodesy · 2017 · Vol. 91 · Issue 9 · Springer
X. Guo; P. Ditmar; Q. Zhao; R. Klees; H. H. Farahani
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Observed changes in the Earth’s dynamic oblateness from GRACE data and geophysical modelsNARA Subscribed
Journal of Geodesy · 2016 · Vol. 90 · Issue 1 · Springer
Y. Sun; P. Ditmar; R. Riva
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Assessment of the added value of data from the GOCE satellite mission to time-varying gravity field modellingNARA Subscribed
Journal of Geodesy · 2014 · Vol. 88 · Issue 2 · Springer
H. Hashemi Farahani; P. Ditmar; R. Klees
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The static gravity field model DGM-1S from GRACE and GOCE data: computation, validation and an analysis of GOCE mission’s added valueNARA Subscribed
Journal of Geodesy · 2013 · Vol. 87 · Issue 9 · Springer
H. Hashemi Farahani; P. Ditmar; R. Klees; X. Liu; Q. Zhao; J. Guo
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Estimation of mass change trends in the Earth’s system on the basis of GRACE satellite data, with application to GreenlandNARA Subscribed
Journal of Geodesy · 2013 · Vol. 87 · Issue 1 · Springer
C. Siemes; P. Ditmar; R. E. M. Riva; D. C. Slobbe; X. L. Liu; H. Hashemi Farahani
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A Comparison of Global and Regional GRACE Models for Land HydrologyNARA Subscribed
Surveys in Geophysics · 2008 · Vol. 29 · Issue 4-5 · Springer
R. Klees; X. Liu; T. Wittwer; B. C. Gunter; E. A. Revtova; R. Tenzer; P. Ditmar; H. C. Winsemius; H. H. G. Savenije
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Frequency-dependent data weighting in global gravity field modeling from satellite data contaminated by non-stationary noiseNARA Subscribed
Journal of Geodesy · 2007 · Vol. 81 · Issue 1 · Springer
P. Ditmar; R. Klees; X. Liu
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‘DEOS_CHAMP-01C_70’: a model of the Earth’s gravity field computed from accelerations of the CHAMP satelliteNARA Subscribed
Journal of Geodesy · 2006 · Vol. 79 · Issue 10-11 · Springer
P. Ditmar; V. Kuznetsov; A. A. van Eck van der Sluijs; E. Schrama; R. Klees
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A technique for modeling the Earth?s gravity field on the basis of satellite accelerationsNARA Subscribed
Journal of Geodesy · 2004 · Vol. 78 · Issue 1-2 · Springer
P. Ditmar; A. A. van Eck van der Sluijs
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Computation of spherical harmonic coefficients from gravity gradiometry data to be acquired by the GOCE satellite: regularization issuesNARA Subscribed
Journal of Geodesy · 2003 · Vol. 77 · Issue 7-8 · Springer
P. Ditmar; J. Kusche; R. Klees
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How to handle colored observation noise in large least-squares problemsNARA Subscribed
Journal of Geodesy · 2003 · Vol. 76 · Issue 11-12 · Springer
R. Klees; P. Ditmar; P. Broersen
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Fast and accurate computation of spherical harmonic coefficients from satellite gravity gradiometry dataNARA Subscribed
Journal of Geodesy · 2003 · Vol. 76 · Issue 11-12 · Springer
P. Ditmar; R. Klees; F. Kostenko
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Detection of Local Inhomogeneities by Means of Cross-borehole Seismic TomographyNARA Subscribed
Pure and Applied Geophysics · 1997 · Vol. 150 · Issue 2 · Springer
P. G. Ditmar
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