[S-GD02] Geodesy

convener:Koji Matsuo(Geospatial Information Authority of Japan), Yusuke Yokota(Institute of Industrial Science, The University of Tokyo), Daisuke Oka(Geological Survey of Hokkaido, Environmental and Geological Research Department, Local Independent Administrative Agency, Hokkaido Research Organization)

In this session, we call for wide range of papers concerned with geodesy and its application to geoscience. Topics of interest will include but not limited to recent advances in measurement techniques, data analysis, numerical modeling or theoretical studies of the Earth's geometry, gravity/geoid, and rotation. In addition, this session also welcomes topics of interdisciplinary studies on geoscience using ground-based geodetic techniques (spirit leveling, absolute/relative gravimeter, strain meter and so on) or space geodetic techniques (GNSS, GRACE, satellite altimetry and so on).

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[SGD02-01] Very Long-term Post-seismic Gravity Change due to the 2004 Sumatra-Andaman Earthquake Detected by GRACE + GRACE-FO satellites

*Yusaku Tanaka¹ (1.Earthquake Research Institute, University of Tokyo)

[SGD02-02] Gravity observation using a superconducting gravimeter at Ishigakijima, Japan

*Yuichi Imanishi¹, Kazunari Nawa², Yoshiaki Tamura³, Hiroshi Ikeda⁴ (1.Earthquake Research Institute, The University of Tokyo, 2.AIST, 3.NAOJ, 4.KEK)

[SGD02-03] Theory on tidal groudwater oscillation on a circular island - application to analysis of gravity variation on volcanic islands

*Shuhei Okubo^1,2, Keigo Yamamoto³, Masato Iguchi³ (1.Southwest Jiaotong University, Chengdu, China, 2.The University of Tokyo, 3.Disaster Prevention Research Institute, Kyoto University)

[SGD02-04] Absolute gravity measurements at Jang Bogo station and Mario Zucchelli station in Antarctica

*Yoichi Fukuda¹, Jun'ichi Okuno², Koichiro Doi², Choon-ki Lee³ (1.Department of Geophysics, Graduate School of Science, Kyoto University, 2.National Institute of Polar Research, 3.Korea Polar Research Institute)

[SGD02-05] Investigation of data processing method for airborne gravity survey

*Kento Iio¹, Erika Kichiraku¹, shuichi Omori¹, Shinobu Kurihara¹, Kumikazu Ochi¹, Toshihiro Yahagi¹, Hiroshi Kawawa¹, Koji Matsuo¹, Tokuro Kodama¹, Akira Tomiyama¹, Masami Handa¹ (1.GSI of Japan)

[SGD02-06] Determination of instrumental tilts of portable relative gravimeters using image analyses

Yusei Okada¹, *Takahito Kazama¹ (1.Graduate School of Science, Kyoto University)