書誌事項
- タイトル別名
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- Measurements for vertical gradient of gravity on mountain slope of active Tokachi-dake volcano, Hokkaido
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Measurements for vertical gradient of gravity were carried out on mountain slope of active Tokachidake volcano. Round-trip gravity measurements at a lower and an upper surfaces of a tripod with about 0.97 m height difference using four SCINTREX CG5 gravimeters were conducted. Estimated gravity gradient were 0.285 to 0.290 mGal/m. These values were smaller than the Free-air gradient of 0 .3086 mGal/m, which is usually referred. Effect from local terrain was suggested because of precipitous topography. Estimations of gravity gradient near active crater by direct measurements and numerical simulation are desirable to evaluate ground deformation effects in gravity change due to volcanic activity.
収録刊行物
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- 北海道大学地球物理学研究報告
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北海道大学地球物理学研究報告 79 9-13, 2016-03-19
北海道大学大学院理学研究院
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詳細情報 詳細情報について
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- CRID
- 1390572174748224384
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- NII論文ID
- 120005725157
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- NII書誌ID
- AN0008976X
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- HANDLE
- 2115/60915
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- ISSN
- 04393503
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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
- IRDB
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可