Session 13. GPS for gravity field and geoid determination--Airborne geoid determination
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- Forsberg R.
- KMS, Geodynamics Department
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- Olesen A.
- KMS, Geodynamics Department
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- Bastos L.
- Astronomical Observatory, University of Porto
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- Gidskehaug A.
- Institute of Solid Earth Physics, University of Bergen
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- Meyer U.
- Alfred Wegener Institute
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- Timmen L.
- Geo Forschungs Zentrum
書誌事項
- タイトル別名
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- Airborne geoid determination
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抄録
Airborne geoid mapping techniques may provide the opportunity to improve the geoid over vast areas of the Earth, such as polar areas, tropical jungles and mountainous areas, and provide an accurate “seam-less” geoid model across most coastal regions. Determination of the geoid by airborne methods relies on the development of airborne gravimetry, which in turn is dependent on developments in kinematic GPS. Routine accuracy of airborne gravimetry are now at the 2 mGal level, which may translate into 5-10 cm geoid accuracy on regional scales. The error behaviour of airborne gravimetry is well-suited for geoid determination, with high-frequency survey and downward continuation noise being offset by the low-pass gravity to geoid filtering operation. In the paper the basic principles of airborne geoid determination are outlined, and examples of results of recent airborne gravity and geoid surveys in the North Sea and Greenland are given.
収録刊行物
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- Earth, Planets and Space
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Earth, Planets and Space 52 (10), 863-866, 2000
地球電磁気・地球惑星圏学会 、公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会
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詳細情報 詳細情報について
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- CRID
- 1390001206511460736
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- NII論文ID
- 10006712163
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- NII書誌ID
- AA11211921
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- ISSN
- 18805981
- 13438832
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- NDL書誌ID
- 5573179
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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