The 11th Symposium on Polar Science (1 – 3 December 2020)

Oral sessionPoster session

Interdisciplinary Session
[IN] New insights of ship-based interdisciplinary study in Soutnern Ocean


This session aims to highlight a range of geology, petrology, geophysics, paleo-oceanography, geochemistry, marine biology, environmental science, and ocean dynamics on multi spatial-temporal scales.

Conveners : Masakazu Fujii (NIPR), Minoru Ikehara (Kochi University), Asuka Yamaguchi (University of Tokyo), Kenichiro Tani (National Museum of Nature and Science), Hidetaka Nomaki (JAMSTEC), and Koji Seike (AIST)

*Talks #INo3 and #INo4 are switched. #INo4 is presenting first.

Real-time Oral presentations (13:00 – 15:15, 15:30 – 18:00)

Date: Thu. 3 December

Chair: Hidetaka Nomaki (JAMSTEC)
INo1 13:00 - 13:15 Hydrographic section along 57°E in the South Indian Ocean *Katsuro Katsumata (JAMSTEC), Yuichiro Kumamoto (JAMSTEC), Hiroshi Uchida (JAMSTEC), Shinya Kouketsu (JAMSTEC), Masahito Shigemitsu (JAMSTEC), Kosei Sasaoka (JAMSTEC), Minoru Hamana (JAMSTEC)
INo2 13:15 - 13:30 High-resolution ocean temperatures and Polar Front latitudinal migration assessment based on radiolarian and diatoms assemblages in the Kerguelen Plateau region, Southern Ocean, over the last 360 kyrs *Matthieu Civel-Mazens (Kochi University & AIST), X. Crosta (Université de Bordeaux), G. Cortese (GNS Science), E. Michel (LSCE), A. Mazaud (LSCE), O. Ther (Université de Bordeaux), M. Ikehara (Kochi University), T. Itaki (AIST)
INo4 13:30 - 13:45 Floating microplastics in the Eastern South Pacific and the Southern Ocean *Ryota Nakajima (JAMSTEC), Hidetaka Nomaki (JAMSTEC), Maki Aita Noguchi (JAMSTEC), Takuya Ohnishi (The University of Tokyo), Hayao Yokochi (Kindai-University), Kazutaka Takahashi (The University of Tokyo), Minoru Ikehara (Kochi University), Atsushi Tsuda (The University of Tokyo)
INo3 13:45 - 14:00 Deep-sea macrobenthos biodiversity survey at the Southern Ocean in KH-19-6 Leg 4 *Naoto Jimi (NIPR), *Akito Ogawa (The University of Tokyo), Shimpei F. Hiruta (National Museum of Nature and Science), Chong Chen (Japan Agency for Marine-Earth Science and Technology), Itaru Kobayashi (The University of Tokyo), Hironori Komatsu (National Museum of Nature and Science), Masanori Okanishi (The University of Tokyo), Gregorius Altius Pratama (The University of Tokyo), Satoshi Imura (NIPR), Hidetaka Nomaki (Japan Agency for Marine-Earth Science and Technology), Kenichiro Tani (National Museum of Nature and Science), Minoru Ikehara (Kochi University)
Chair: Asuka Yamaguchi (The University of Tokyo)
INo5 14:00 - 14:15 Vector magnetic anomalies around the East Scotia Ridge *Yoshifumi Nogi (NIPR)
INo6 14:15 - 14:30 Geochemical characteristics of the mantle in the Scotia arc region constrained by osmium isotopes and platinum-group elements *Chihiro Ohshima (The University of Tokyo), Norikatsu Akizawa (The University of Tokyo), Akira Ishikawa (Tokyo Institute of Technology), Sung Hi Choi (Chungnam National University), Kenichiro Tani (National Musium of Nature and Science), Asuka Yamaguchi (The University of Tokyo), Teruaki Ishii (Shizuoka University)
INo7 14:30 - 14:45 Characteristics of sediments cored from the South Shetland Trench *Asuka Yamaguchi (The University of Tokyo), Ippei Yamamoto (The University of Tokyo), Yuichi Okuma (The University of Tokyo), Kodai Kato (Kochi University), Yuji Kato (Kochi University), Kaoru Kubota (Kobe University), Kenichiro Tani (National Museum of Nature and Science), Hiroaki Koge (National Institute of Advanced Industrial Science and Technology), Jinyu Zhou (The University of Tokyo), Hanaya Okuda (The University of Tokyo), Takashi Hakomori (The Univesity of Tokyo), Minoru Ikehara (Kochi University)
INo8 14:45 - 15:00 New geophysical observation of circum-Antarctic mid-ocean ridges *Masakazu Fujii (NIPR & SOKENDAI), Kyoko Okino (The University of Tokyo), Yoshifumi Nogi (NIPR & SOKENDAI)
INo9 15:00 - 15:15 Geology of the Conrad Rise: Summary of six cruises by R/V Hakuho-Maru *Hiroshi Sato (Senshu University), Masakazu Fujii (NIPR), Taichi Sato (AIST), Yoshifumi Nogi (NIPR), Shiki Machida (Chiba Institute of Technology), Ryoko Senda (Kyushu University), Christine Meyzen (Universita degli Studi di Padova), Michael Bizimis (University of South Carolina), Hideo Ishizuka (Kochi University), Yukiko Kozaka (Nagoya University), Yuki Tokuda (Tottori University of Environmental Studies), Takuma Haga (National Museum of Nature and Science), Yukito Kurihara (Mie University), Shungo Kawagata (Yokohama National University), Hiroki Matsui (Akita University)
15:15 - 15:30 Break
Chair: Minoru Ikehara (Kochi University)
INo10 15:30 - 15:45 Estimating the Contribution of Local and Advective parcels to Mixed Layer Dynamics in the Indian Sector of the Southern Ocean through a Box Model approach *Matheus F. Azevedo (TUMSAT), Yujiro Kitade (TUMSAT), Shigeru Aoki (Hokkaido University)
INo11 15:45 - 16:00 Cosmonaut Sea Meso-scale Oceanic Structure Survey (CoSMOSS) *Shigeru Aoki (Hokkaido University), Daisuke Hirano (Hokkaido University), Takeshi Tamura (NIPR), Kohei Mizobata (TUMSAT), Kazuya Kusahara (JAMSTEC)
INo12 16:00 - 16:15 Oceanic structure of the Vincennes Bay *Keishi Shimada (TUMSAT), Kitade Yujiro (TUMSAT), Kohei Mizobata (TUMSAT), Takeshi Tamura (NIPR)
INo13 16:15 - 16:30 The Heart of the East AnTarctic CRyosphere-Ocean Synergy System (HEAT-CROSS) *Kohei Mizobata (TUMSAT), Takeshi Tamura (NIPR), Daisuke Hirano (Hokkaido University), Ryosuke Makabe (NIPR)
INo14 16:30 - 16:45 Possibility of oceanographic observations off Shackleton ice shelf *Yoshihrio Nakayama (Hokkaido University), Masakazu Fujii (NIPR), Kay I. Ohshima (Hokkaido University), Shigeru Aoki (Hokkaido University)
Chair: Masakazu Fujii (NIPR)
16:45 - 17:00 3-min Poster Presentation (4 short talks of OGp1 – OGp4)
17:00 - 17:15 Break
17:15 - 18:00 General discussion

Poster presentations (16 November - 18 December)

INp1 Carbon cycling associated with formation and transport of Cape Darnley Bottom Water *Naoyuki Tamura (TUMSAT), Michiyo Yamamoto-Kawai (TUMSAT)
INp2 The formation process of calsitic skeleton of deep-sea isidid octocorals inferred from crystal orientation *Yukiko Kozaka (Nagoya University), Katsuyoshi Michibayashi (Nagoya University), Takenori Kato (Nagoya University), Yui Kouketsu (Nagoya University), Yuki Tokuda (Tottori University of Environmental Studies), Hiroshi Sato (Senshu University), Minoru Ikehara (Kochi University)
INp3 Does GIA link Antarctic magmatism influenced by climate change to MORs activities? *Tatsuo Kanamaru (Nihon University), Kenichiro Tani (National Museum of Nature and Science), Masahiro Ishikawa (Yokohama National University), Kuniyuki Furukawa (Aichi University), Masakazu Fujii (NIPR), Osamu Ishizuka (Geological Survey of Japan/AIST), Jun'ichi Okuno (NIPR), Iona Mclntosh (Japan Agency for Marine-Earth Science and Technology), Motohiro Tsuboi (Kwansei Gakuin University)
INp4 New constraints on the crutsal structure of the South Orkney microcontinental block from detrital zircon U-Pb geochronology *Kenichiro Tani (National Museum of Nature and Science), Philip T. Leat (British Antarctic Survey)