Titlebook: Observing our Changing Earth; Proceedings of the 2 Michael G Sideris Conference proceedings 2009 Springer-Verlag Berlin Heidelberg 2009 Ear

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Investigations into a Dynamic Geocentric Datumed model with the outliers being detected and removed online is investigated to obtain the “purified” velocity series for ITRF modeling. For a local scale application, interpolation methods play an important role in improving the accuracy of the datum. Six interpolation methods are investigated usin

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Impact of the Network Effect on the Origin and Scale: Case Study of Satellite Laser Rangingmation of the Helmert parameters. These additional constraints as well as stochastic constraints are numerically tested here in a first attempt to limit the impact of the network effect. We show that the X component of the translation and the scale are the two parameters that are the most sensitive

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Improved Resolution of a GRACE Gravity Field Model by Regional Refinementsl harmonic expansion up to a moderate degree has to be derived. It is then refined by regionally adapted high resolution refinements being parameterized by splines as space localizing base functions. In this context a special attention is paid to the signal to noise ratio in different geographical a

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The Role of the Atmosphere for Satellite Gravity Field Missions. by earthquakes, mantle convection, etc.) the water cycle represents the major source of mass variations, of which the atmosphere plays the most prominent role (by pressure field variations, by forcing ocean circulation, by precipitation and evaporation). In order to take into account such temporal

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Satellite Laser Ranging Biases and Terrestrial Reference Frame Scale Factor

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Searching for the Optimal Relationships Between SIRGAS2000, South American Datum of 1969 and Córrego