[H-CG23] Earth surface processes related to deposition, erosion and sediment transport

convener:Koji Seike(Geological Survey of Japan, AIST), Masayuki Ikeda(University of Tokyo), Hideko Takayanagi(Institute of Geology and Paleontology, Graduate School of Science, Tohoku University), Hajime Naruse(Department of Geology and Mineralogy, Graduate School of Science, Kyoto University)

To understand landscape evolution and dynamics of erosion, transport and sedimentation of earth-surface materials, the latest results of multiple research fields including engineering and earth sciences will be presented. As well as any researches of sedimentology and sedimentary petrology, interaction between fluid, sediments and geomorphology is focused. Interdisciplinary discussions of science, disaster prevention and resource exploration will be expected.

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[HCG23-05] Spatio-temporal changes in sedimentation rate and its impact on overpressure evolution in offshore Suriname

*Nifuku Ko¹, Yuki Kobayashi¹, Yasuhiko Araki¹, Takafumi Ashida¹, Takashi Taniwaki¹ (1.INPEX Corporation)

[HCG23-06] Spatial–temporal evolution of blowout on the southeastern fringe of Otindag sandy land in recent decade

*Rina Hu¹, eerdun Hasi¹, jie Yin¹ (1.Beijing Normal university)

[HCG23-07] Can Superoxide Nanobubbles Inhibit the Release of Phosphorus from Reservoir with Stagnant Water?

*Qingqing Sun¹, Siliang Li¹, Jingfu Wang², Pingping Yu³ (1.Institute of Surface-Earth System Science, Tianjin University, 2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, 3.Zunyi City Drainage Limited Liability Company)

[HCG23-08] Short to long term morphological changes and migration of sand waves in a semi-enclosed sea: a case study in Okinose area of Osaka Bay

Kojima Hibiki¹, *Atsushi Tani¹, Tetsuo Matsuno^2,3, Mamoru Sano², Nobukazu Seama^3,2, Noritaka Endo⁴, Ken'ichi Ohkushi¹, Xu Zhang⁵, Yusuke Uchiyama⁵ (1.Graduate School of Human Development and Environment, Kobe University, 2.Kobe Ocean Bottom Exploration Center (KOBEC), Kobe University, 3.Graduate School of Science, Kobe University, 4.School of Geoscience and Civil Engineering College of Science and Engineering, Kanazawa University, 5.Graduate School of Engineering, Kobe University)

[HCG23-09] Heavy mineral assemblage of river sands along the Kaligandaki River, central Nepal and its application for Bengal Fan sediments

*Kohki Yoshida¹, Nakajima Toru³, Lalit Kumar Rai², Asako Masuda⁴ (1.Department of Geology, Faculty of Science, Shinshu University, 2.Graduate School of Medicine, Science and Technology, Shinshu University, 3.Graduate School of Science, Kyoto University, 4.Graduate School of Science and Technology, Shinshu University)

[HCG23-10] Spatial variability of grain size parameters and depositional process in the coastal marshland of Orissa, India

*Koushik Saha^1,2, Subhajit Sinha¹ (1.Department of Geology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata-700019, India, 2.Department of Geology, University of North Bengal,Raja Rammohunpur, West Bengal 734014, India)