Departmental Bulletin Paper CG-5重力計の登山を伴う野外調査時における重力値安定性の基礎調査
Basic examination regarding stability of gravity value observed by CG-5 for the climbing field survey

高木, 朗充  ,  宮城, 洋介  ,  小澤, 拓  ,  本多, 亮  ,  高橋, 浩晃

81pp.1 - 10 , 2018-03-19 , 北海道大学大学院理学研究院
ISSN:0439-3503
NCID:AN0008976X
Description
The shake by mountain climibing influences the graviity measurement with CG-5 graviemeter. To investigate this influence, we conducted two investigations: the dynamic and the static disturbances. The dynamic disturbance means swing caused by walking, and the static disturbance means a tilt of the gravimeter with long time in carrying. In the investigation of the dynamic disturbance, measured gravity leaped negatively just after the climbing, but they did not correlate to times of climbing. In the investigation of the static disturbance, we found the correlation between leap values of gravity and duration times of tilt in the case of tilt angle greater than 5.0 degree.
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