-
- TOMODA Yoshibumi
- The Japan Academy
この論文をさがす
抄録
A history of studies on the gravity measurements at sea in Japan is reviewed with an emphasis on the contribution of the author. The first successful measurements at sea were made in 1923 by Vening Meinesz in the Netherlands using the pendulum apparatus installed in a submarine. However, the gravity measurements using a submarine are not convenient because the access to a submarine is limited. Professor Chuji Tsuboi made a number of unsuccessful attempts at developing a gravity meter that can be operated on a normal surface ship by reducing the noise by minimizing the motion of the gravity meter through a mechanical design.<BR> I have chosen a new approach toward the measurements of gravity on a surface ship by simplifying the mechanical part using a string gravity meter that was installed directly on a vertical gyroscope in combination with the numerical and/or electronic reduction of noises. With this gravity meter TSSG (Tokyo Surface Ship Gravity Meter), we firstly succeeded in measuring gravity at sea onboard a surface ship in July 1961 and the measurements have been extended to the northwestern Pacific and beyond. The results reveal the fine structures of gravity field in and around trenches that provide important clues as to a number of geodynamic issues including the nature of the trench-trench interaction and the interaction of trenches with seamounts.<BR><BR>(Contributed by Yoshibumi TOMODA, M.J.A.)
収録刊行物
-
- Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences
-
Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences 86 (8), 769-787, 2010
日本学士院
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1390001204147924480
-
- NII論文ID
- 130000442351
-
- NII書誌ID
- AA00785485
-
- ISSN
- 13492896
- 03862208
-
- NDL書誌ID
- 10863616
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可