Released Dataset The satellite-only gravity field model GOCO06s Cite as: Copy citation to clipboard Kvas, Andreas; Mayer-Gürr, Torsten; Krauss, Sandro; Brockmann, Jan Martin; Schubert, Till; Schuh, Wolf-Dieter; Pail, Roland; Gruber, Thomas; Jäggi, Adrian; Meyer, Ulrich (2019): The satellite-only gravity field model GOCO06s. GFZ Data Services. https://doi.org/10.5880/ICGEM.2019.002 Status I N R E V I E W : Kvas, Andreas; Mayer-Gürr, Torsten; Krauss, Sandro; Brockmann, Jan Martin; Schubert, Till; Schuh, Wolf-Dieter; Pail, Roland; Gruber, Thomas; Jäggi, Adrian; Meyer, Ulrich (2019): The satellite-only gravity field model GOCO06s. GFZ Data Services. https://doi.org/10.5880/ICGEM.2019.002
Abstract GOCO06s is a satellite-only, global gravity field model up to degree and order 300, with secular and annual variations up to degree and order 120. It was produced by the GOCO Team (Technical University of Munich, University of Bonn, Graz University of Technology, Austrian Academy of Sciences, University of Bern) and is based on 1,160,000,000 observations from 19 satellites. The contributing satellite mission are: GOCE (TIM6 gradiometer observations), GRACE (ITSG-Grace2018s), kinematic orbits from Swarm A+B+C, TerraSAR-X, TanDEM-X, CHAMP, GRACE and GOCE, and SLR observations to LAGEOS, LAGEOS 2, Starlette, Stella, AJISAI, LARES, LARETS, Etalon 1/2 and BLITS. The combination of the individual data sources is performed on the basis of the full systems of normal equations, where the relative weighting between each constituent is determined by variance component estimation. In order to account for the polar gap of GOCE, the solution is Kaula-regularized after degree and order 150.
The model is available via the ICGEM Service (Ince et al., 2019).
PARAMETERS:
- modelname GOCO06s
- product_type gravity_field
- earth_gravity_constant 3.9860044150e+14
- radius 6.3781363000e+06
- max_degree 300
- norm fully_normalized
- tide_system zero_tide
- errors formal
Authors Kvas, Andreas ;Graz University of TechnologyMayer-Gürr, Torsten ;Graz University of TechnologyKrauss, Sandro ;Graz University of Technology, Graz, Austria;Austrian Academy of SciencesBrockmann, Jan Martin ;University of Bonn, Bonn, GermanySchubert, Till;University of Bonn, Bonn, Germany Schuh, Wolf-Dieter ;University of Bonn, Bonn, GermanyPail, Roland ;Technical University of Munich, Munich, GermanyGruber, Thomas ;Technical University of Munich, Munich, GermanyJäggi, Adrian;University of Bern, Bern, Switzerland Meyer, Ulrich;University of Bern, Bern, Switzerland Contact Contributors Ince, Elmas Sinem; Reißland, Sven; Technical University of Munich, Institute of Astronomical and Physical Geodesy; University of Bonn, Institute of Geodesy and Geoinformation; Graz University of Technology, Institute of Geodesy; Austrian Academy of Sciences, Space Research Institute; University of Bern, Astronomical Institute
Keywords ICGEM, global gravitational model, GOCO, GOCE, GRACE More Metadata datacite:
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It was produced by the GOCO Team (Technical University of Munich, University of Bonn, Graz University of Technology, Austrian Academy of Sciences, University of Bern) and is based on 1,160,000,000 observations from 19 satellites. The contributing satellite mission are: GOCE (TIM6 gradiometer observations), GRACE (ITSG-Grace2018s), kinematic orbits from Swarm A+B+C, TerraSAR-X, TanDEM-X, CHAMP, GRACE and GOCE, and SLR observations to LAGEOS, LAGEOS 2, Starlette, Stella, AJISAI, LARES, LARETS, Etalon 1/2 and BLITS. The combination of the individual data sources is performed on the basis of the full systems of normal equations, where the relative weighting between each constituent is determined by variance component estimation. In order to account for the polar gap of GOCE, the solution is Kaula-regularized after degree and order 150.
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