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Project overview:
New generation, geo-scientific, near-Earth orbiting satellites open new opportunities to contribute significantly to the understanding of global Earth dynamics. The high precision gravity field data from the CHAMP, GRACE and GOCE missions are expected to provide valuable inputs on lithospheric structure, isostatic adjustments and mantle rigidity to model geodynamic processes. The dedicated gravity field mission GOCE would provide, for the first time, components of gravity gradient tensor at much higher accuracy and greater spatial resolution which may resolve signals generated from complex geologic features. This will provide an opportunity to investigate the inter-relationships of various gradient tensor components to model the geologic targets. However, effective utilization of gravity gradient tensor data requires development of new processing and interpretation methods, as the tensor components do not relate in an intuitive way to the causative bodies. Also, the joint modelling of the geoid and gravity anomalies together with their gradients may provide better constraints on the geometry and density of the geological target. It is envisaged in the project that efficient processing and interpretational techniques would be developed for the gravity gradient tensor data.
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Principal Investigators:
R. Mahatsente, H.-J. Götze, S. Schmidt, R. Hackney (Geoscience Australia), I. Grevemeyer (IfM-GEOMAR, Kiel).
Partners:
V. Tiwari, K. Arora, B. Singh (National Geophysical Research Institute, Hyderabad, India).
Funding:
BMBF (DLR) and CSIR-FzJ Cooperative Science Programme (India)
Duration:
2006-2010
Contact:
R.Mahatsente, Email: rezene[at]geophysik.uni-kiel.de
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Topography and Bouguer anomalies from Eigen-GL04C for the Himalayan region
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