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More Accurate and Faster Available CHAMP and GRACE Gravity Fields for the User Community Read chapter Read first chapter

2010 | OriginalPaper | Chapter

Time-Space Multiscale Analysis and Its Application to GRACE and Hydrology Data

Authors : Willi Freeden, Helga Nutz, Kerstin Wolf

Published in: System Earth via Geodetic-Geophysical Space Techniques

Publisher: Springer Berlin Heidelberg

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Abstract

We present two concepts of a multiresolution analysis<See>Siehe Multiscale analysis</See> of temporal and spatial variations of the Earth’s gravitational potential. First we apply a separated wavelet analysis using Euclidean wavelets in the time and spherical wavelets in the space domain and, second, we realize a tensor product wavelet analysis using Legendre and spherical wavelets for the time and space domain, respectively. Based on the results of the multiresolution analysis we compute the correlation coefficients between satellite and hydrology data which help us to develop a filter for extracting an improved hydrology model from the satellite data of GRACE (Gravity Recovery and Climate Experiment). Such an extraction is finally realized based on the results of the tensor product analysis.

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previous chapter Surface Mass VariabilitySurface mass variability from GRACE and Hydrological Models Hydrological model : Characteristic PeriodsPeriods characteristic and the Reconstruction of Significant SignalsReconstruction of significant signals
next chapter Mass Variation Signals in GRACE Products and in Crustal Deformations crustal deformation from GPS: A Comparison
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Metadata
Title
Time-Space Multiscale AnalysisTime-Space Multiscale Analysis Multiscale analysis and Its Application to GRACE and Hydrology Data
Authors
Willi Freeden
Helga Nutz
Kerstin Wolf
Copyright Year
2010
Publisher
Springer Berlin Heidelberg
Book
System Earth via Geodetic-Geophysical Space Techniques

Print ISBN: 978-3-642-10227-1

Electronic ISBN: 978-3-642-10228-8

Copyright Year: 2010

DOI
https://doi.org/10.1007/978-3-642-10228-8_33

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