Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia
Global models of the Earth's gravitational field can be divided among three primary classes: satellite-only, combined and tailored models. Some of the current deficiencies in some of these models will be outlined using examples over Australia. The new dedicated satellite gravity field mission...
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| Format: | Journal Article |
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Hong Kong Institution of Engineering Surveyors
2002
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| Online Access: | http://hdl.handle.net/20.500.11937/16115 |
| _version_ | 1848749080963973120 |
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| author | Featherstone, Will |
| author_facet | Featherstone, Will |
| author_sort | Featherstone, Will |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Global models of the Earth's gravitational field can be divided among three primary classes: satellite-only, combined and tailored models. Some of the current deficiencies in some of these models will be outlined using examples over Australia. The new dedicated satellite gravity field missions (e.g., GRACE, CHAMP and GOCE) will make significant improvements to the long-wavelength, satellite-derived components of the Earth's gravitational field. They will also provide a homogeneous and near-complete global coverage of gravity field information. This paper briefly summarises the GRACE, CHAMP and GOCE mission concepts and expected error spectra based on previously published syntheses. Strategies will then be proposed for the use of these new data in regional gravimetric geoid computations based on data combination through either truncated spherical harmonic series or a deterministically modified Stokes formula. |
| first_indexed | 2025-11-14T07:15:15Z |
| format | Journal Article |
| id | curtin-20.500.11937-16115 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T07:15:15Z |
| publishDate | 2002 |
| publisher | Hong Kong Institution of Engineering Surveyors |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-161152017-01-30T11:53:53Z Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia Featherstone, Will GOCE CHAMP GRACE Australia geopotential models geoid Global models of the Earth's gravitational field can be divided among three primary classes: satellite-only, combined and tailored models. Some of the current deficiencies in some of these models will be outlined using examples over Australia. The new dedicated satellite gravity field missions (e.g., GRACE, CHAMP and GOCE) will make significant improvements to the long-wavelength, satellite-derived components of the Earth's gravitational field. They will also provide a homogeneous and near-complete global coverage of gravity field information. This paper briefly summarises the GRACE, CHAMP and GOCE mission concepts and expected error spectra based on previously published syntheses. Strategies will then be proposed for the use of these new data in regional gravimetric geoid computations based on data combination through either truncated spherical harmonic series or a deterministically modified Stokes formula. 2002 Journal Article http://hdl.handle.net/20.500.11937/16115 Hong Kong Institution of Engineering Surveyors restricted |
| spellingShingle | GOCE CHAMP GRACE Australia geopotential models geoid Featherstone, Will Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia |
| title | Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia |
| title_full | Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia |
| title_fullStr | Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia |
| title_full_unstemmed | Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia |
| title_short | Expected Contributions of Dedicated Satellite Gravity Field Missions to Regional Geoid Determination with some Examples from Australia |
| title_sort | expected contributions of dedicated satellite gravity field missions to regional geoid determination with some examples from australia |
| topic | GOCE CHAMP GRACE Australia geopotential models geoid |
| url | http://hdl.handle.net/20.500.11937/16115 |