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A Study of Terrain Reductions, Density Anomalies and Geophysical Inversion Methods in Gravity Field Modelling
Abstract : The general principles of the use of known density anomalies for gravity field modelling are reviewed with special emphasis on local applications and utilization of high degree and orderExpand
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Bedmap2: improved ice bed, surface and thickness datasets for Antarctica
We present Bedmap2, a new suite of gridded products describing surface elevation, ice-thickness and the seafloor and subglacial bed elevation of the Antarctic south of 60° S. We derived theseExpand
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A Reconciled Estimate of Ice-Sheet Mass Balance
Warming and Melting Mass loss from the ice sheets of Greenland and Antarctica account for a large fraction of global sea-level rise. Part of this loss is because of the effects of warmer airExpand
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New aerogeophysical study of the Eurasia Basin and Lomonosov Ridge: Implications for basin development
In 1998 and 1999, new aerogeophysical surveys of the Arctic Ocean9s Eurasia Basin produced the first collocated gravity and magnetic measurements over the western half of the basin. These dataExpand
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The use of height data in gravity field approximation by collocation
The accuracy of a gravity field model depends on the amount of available data and on the variation of the gravity field. When topographic height data are available, for example, in the form of aExpand
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The AUSGeoid98 geoid model of Australia: data treatment, computations and comparisons with GPS-levelling data
Abstract. The AUSGeoid98 gravimetric geoid model of Australia has been computed using data from the EGM96 global geopotential model, the 1996 release of the Australian gravity database, a nationwideExpand
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The use of FFT techniques in physical geodesy
SUMMARY The fast Fourier transform (FFT) technique is a very powerful tool for the efficient evaluation of gravity field convolution integrals. It can handle heterogeneous and noisy data, and thusExpand
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Mass balance of the Greenland ice sheet (2003–2008) from ICESat data – the impact of interpolation, sampling and firn density
Abstract. ICESat has provided surface elevation measurements of the ice sheets since the launch in January 2003, resulting in a unique dataset for monitoring the changes of the cryosphere. Here, weExpand
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Gravity field terrain effect computations by FFT
The widespread availability of detailed gridded topographic and bathymetric data for many areas of the earth has resulted in a need for efficient terrain effect computation techniques, especially forExpand
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A new covariance model for inertial gravimetry and gradiometry
A self-consistent covariance model for the earth's anomalous gravity field is presented within the framework of the planar approximation. The model features simple, closed formulas forExpand
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