[S-GD01] Gravity and Geoid

Tue. May 28, 2019 1:45 PM - 3:15 PM 303 (3F)

convener:Tokuro Kodama(Geospatial Information Authority of Japan), Daisuke Oka(Geological Survey of Hokkaido, Environmental and Geological Research Department, Local Independent Administrative Agency, Hokkaido Research Organization), Chairperson:Toshiyuki Tanaka, Takahito Kazama

Recent precise gravity measurements lead to advances in many kinds of applications, e.g., geophysical exploration of internal structure of the Earth and Moon, studies of earthquake, volcano, subsidence, landslide and tsunami, monitoring ice mass balance, and so on.
In this session, we call wide range of papers related to topics of gravity and geoid, including theory of gravity field, absolute/relative gravity measurements, data analysis of satellite gravity missions, and development of gravity sensors.

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1:45 PM - 2:00 PM

[SGD01-01] Seasonal variation of gravity values at the Ishioka Geodetic Observing Station

*Akira Tomiyama¹, Tokuro Kodama¹, Shuichi Oomori¹, Yoshifumi Hiraoka¹, Toshihiro Yahagi¹ (1.GSI of Japan)

2:00 PM - 2:15 PM

[SGD01-02] Installation of the First Gravity Station in the Mount Fuji Research Institute, and the Phase-Free gravity measurement

*Ryo Honda¹, Yuichi Imanishi², Kazunari Nawa³, Toshiyuki Tanaka⁴, Tokuro Kodama⁵, Akira Tomiyama⁵ (1.MFRI, Yamanashi Prefectural Government, 2.ERI, University of Tokyo, 3.GSJ, AIST, 4.TRIES, ADEP, 5.GSI)

2:15 PM - 2:30 PM

[SGD01-03] Absolute gravity and GNSS measurements on bedrock outcrops in Dronning Maud Land, East Antarctica

*Takahito Kazama¹, Yuichi Aoyama², Yoichi Fukuda¹, Koichiro Doi² (1.Graduate School of Science, Kyoto University, 2.National Institute of Polar Research)

2:30 PM - 2:45 PM

[SGD01-04] Capability of ICA Method for separating GIA and Ice Mass Signals in Antarctica

*SHI TIANYAN¹, Yoichi Fukuda¹ (1.Graduate School of Science, Kyoto University)

2:45 PM - 3:00 PM

[SGD01-05] Preliminary result of continuous observation with an iGrav superconducting gravimeter at the Teshikaga observatory, eastern Hokkaido, Japan

*Kazunari Nawa¹, Hiroaki Takahashi², Mako Ohzono², Kazumi Okada², Teruhiro Yamaguchi², Daisuke Oka³, Noritoshi Okazaki³, Ryo Honda⁴, Hiroshi Ikeda⁵ (1.National Institute of Advanced Industrial Science and Technology, 2.Hokkaido University, 3.Geological Survey of Hokkaido, 4.Mount Fuji Research Institute, 5.University of Tsukuba)

3:00 PM - 3:15 PM

[SGD01-06] On the anomalous temporal gravity change between VERA and F-net stations at Ishigakijima, Japan

*Kazunari Nawa¹, Yuichi Imanishi², Yoshiaki Tamura³, Hiroshi Ikeda⁴, Takeshi Kimura⁵ (1.National Institute of Advanced Industrial Science and Technology, 2.Earthquake Research Institute, The University of Tokyo, 3.National Astronomical Observatory of Japan, 4.University of Tsukuba, 5.National Research Institute for Earth Science and Disaster Resilience)

Session information