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dc.contributor.authorRexer, M.
dc.contributor.authorHirt, Christian
dc.contributor.authorClaessens, Sten
dc.contributor.authorBraitenberg, C.
dc.contributor.authorBraitenberg, C.
dc.identifier.citationRexer, M. and Hirt, C. and Claessens, S. and Braitenberg, C. 2015. Use of Topography in the context of the GOCE satellite mission: some examples, 5th International GOCE User Workshop, Nov 25-28 2014. Paris: European Space Agency.

The uppermost masses of the lithosphere - notably the land topography, bathymetry and ice - make a significant contribution to the gravity signal captured by ESA's GOCE gravity mission [1,2]. This circumstance is used 1) to evaluate ESA GOCE gravity field models of all generations, 2) to evaluate various topographic data sets and 3) to compute a global Bouguer gravity anomaly map. All of the above is facilitated through forward modelling of the ellipsoidal topographic potential (ETP) applying the Harmonic Combination Method [3]. Curtin University's new rock-equivalent topography (RET) model, taken from the Earth2014 suite of topographic data [4], serves as topographic input model for the gravity forward modelling. ESA GOCE models show steady improvement over time and prove to be sensitive for topographic gravity signals at scales of ~100 km and finer. Using the release-5 GOCE models as a reference, Curtin University's RET models are found to improve over time too. Finally, we demonstrate that the spectral representation of the ETP allows straightforward computation of global Bouguer anomaly maps.

dc.publisherEuropean Space Agency
dc.titleUse of Topography in the context of the GOCE satellite mission: some examples
dc.typeConference Paper
dcterms.source.titleProceedings of 5th International GOCE User Workshop
dcterms.source.seriesProceedings of 5th International GOCE User Workshop
dcterms.source.conference5th International GOCE User Workshop
dcterms.source.conference-start-dateNov 25 2014
dcterms.source.conferencelocationParis, France
dcterms.source.placeParis, France
curtin.departmentDepartment of Spatial Sciences
curtin.accessStatusFulltext not available

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