書誌事項
- タイトル別名
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- Remodeling of an Ocean Bottom Gravimeter and Littoral Seafloor Gravimetry —Toward the Seamless Gravimetry on Land and Seafloor—
- カイテイ ジュウリョクケイ ノ カイゾウ ト エンガンイキ ニ オケル カイテイ ジュウリョク ソクテイ リク カイイキ シームレス セイミツ ジュウリョク チョウサ ニ ムケテ
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An ocean bottom gravimeter was developed in 1996 for gravimetry on the deep seafloor. Although the control and logging units were originally installed in a pressure housing separated from the sensor unit, a few sea trials suggested unifying the system. Then the space for the sensor unit was enlarged with an additional cylinder, and all the units were installed in the single pressure housing. Seafloor gravimetry was carried out with the remodeled gravimeter on the shallow bottom off Shimokita Peninsula, Aomori Prefecture, in order to investigate the distribution of the intrusive rock that has not been exposed to surface. Detailed and seamless gravimetry was performed in the coastal area combined with the observation on land. As a result, the horizontal extension of the intrusive rock that has not been exposed to surface was confirmed based on gravity mapping with a precision of 0.05 mgal, and the effectiveness of the seamless gravity investigation became clear.
収録刊行物
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- 測地学会誌
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測地学会誌 55 (3), 325-339, 2009
日本測地学会
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詳細情報 詳細情報について
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- CRID
- 1390282679044560000
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- NII論文ID
- 10026428326
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- NII書誌ID
- AN00134900
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- ISSN
- 2185517X
- 00380830
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- NDL書誌ID
- 10561503
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可