JpGU2019

JpGU 2019, the annual meeting of Japan Geoscience Union (JpGU), was held at Makuhari Messe in Chiba from May 26th through 30th, 2019.

 “Giant reservoirs of heat-water-material: Global environmental changes driven by the Southern Ocean and the Antarctic Ice Sheet” (Giant Reservoirs – Antarctic) hosted the session M-IS14 “Global climate changes driven by the Southern Ocean and the Antarctic ice sheet” on May 27th and conducted oral and poster sessions. 17 oral sessions (including 2 invited speakers) and 30 poster sessions

During JgGU 2019, “Giant Reservoirs – Antarctic“ also hosted an exhibition booth to introduce the overview, research results and plans of our project.Both the sessions and exhibition booth were a great success with more than 100 participants in the oral sessions, many presentations by young researchers and graduate students in the poster sessions and the mini-seminar by young researchers at the exhibition booth. The short seminar at the mini stage of the poster area was also well received. 

[M-IS014] Global climate change driven by the Southern Ocean and the Antarctic Ice Sheet

scope:
The Southern Ocean and Antarctic ice sheet, which are the giant reservoirs of heat, water, and materials, have a potential to play central roles in long-term global climate change. This system is composed of the following sub-systems; ice shelf which is a place of the interaction of ice sheet and ocean, flowing iceberg, seasonal sea ice zone, Antarctic bottom water which drives the thermohaline circulation, active biological production and Antarctic Circumpolar Current. These sub-systems are interacted with each other and have significant impact on changes in the global environmental system. This session aim to summarize recent observational and simulation studies from various fields relating to the past and present changes in the Antarctic Ice sheet and Southern Ocean, which are essential elements for unraveling the changes in the global climate system. Further, future science plans for understanding of the environmental changes of the Antarctic Cryosphere is also discussed.

Presentation No.Oral Presentation
MIS14-01Mass loss of the Antarctic ice sheet under the influence of ice-ocean interaction
Shin Sugiyama
MIS14-02Accurate chronology and climatic reconstruction around MIS 11 (interglacial period ~400,000 years ago) from Dome Fuji ice core, Antarctica
Kenji Kawamura, Ikumi Oyabu, Shuji Aoki, Takakiyo Nakazawa, Ayako Abe-Ouchi, Fuyuki SAITO
MIS14-03Study on physics and layers of ice cores containing information of climate change over the past 720 k-years, and study on the “oldest ice”
Shuji Fujita, Motohiro Hirabayashi, Iizuka Yoshinori, Hiroshi Ohno
MIS14-04Reconstructions of the Antarctic Polar Front through the glacial/interglacials
Hiroki Matsui, Yuji Kato, Itsuki Suto, Minoru Ikehara
MIS14-05Integrated observations for marine earth science in the Indian sector of the Southern Ocean: Preliminary results of R/V Hakuho-maru KH-19-1 cruise
Minoru Ikehara, Kay I. Ohshima, Takuya Itaki, Hiroshi Sato, Masakazu Fujii, Michiyo Yamamoto-Kawai, Hiroki Matsui, Takahito Ikenoue, Scientific Party of R/V Hakuho-maru KH-19-1 cruise
MIS14-06High resolution ocean temperatures reconstructions over the last glacial-interglacial in the Kerguelen region, Southern Ocean.
Matthieu Civel, Xavier Crosta, Giuseppe Cortese, Elisabeth Michel, Alain Mazaud, Samuel Jaccard, Lena Thöle, Minoru Ikehara, Takuya Itaki
MIS14-07Present-day crustal motion and gravity change in East Antarctica: implications for the mantle viscosity and Holocene Antarctic Ice Sheet change inferred from GIA modeling
Jun’ichi Okuno, Koichiro Doi, Yuichi Aoyama, Takeshige Ishiwa, Akihisa Hattori, Yoichi Fukuda
MIS14-08Reconstruction of the East Antarctic ice sheet variability during the last 3 myrs in the central & eastern Droning Maud Land, East Antarctica
Yusuke Suganuma, Moto Kawamata, Kota Katsuki, Tatsuo Kanamaru, Heitaro Kaneda, Takushi Koyama, Tanabe Yukiko, Daisuke Shibata, Takeshige Ishiwa, Takuya Itaki, Jun’ichi Okuno, Osamu Seki, Itsuki Suto, Masakazu Fujii, Hideki Miura
MIS14-09Vertical ice flow motions obtained from year-round GNSS observations on Shirase Glacier, Antarctica
Yuichi Aoyama, Koichiro Doi, Daisuke Hirano, Takeshi Tamura, Shigeru Aoki, Kazuo Shibuya
MIS14-10Operation plan and design of the Antarctic exploration AUV “MONACA”
Hirokazu Yamagata, Toshihiro Maki, Hiroshi Yoshida, Yoshifumi Nogi
MIS14-11Geophysical insights into tectonic, volcanic, sedimentation, and glacial processes in Indian and Southern Oceans: Preliminary geophysical results of R/V Hakuho-maru KH-19-1 cruise
Masakazu Fujii, Hiroshi Sato, Minoru Ikehara, Yoshifumi Nogi, Taichi Sato, Yasuyuki Nakamura, Eri Helen Amsler, Sam Sherriff-Tadano
MIS14-12Simulations of glacial ocean carbon cycle with a parameterization of stratification dependence of vertical diffusivity
Hidetaka Kobayashi, Akira Oka
MIS14-13Impacts of precession on the periodicity of climate and AMOC variabilities
Sam Sherriff-Tadano
MIS14-14Warming and climate feedbacks in the southern high latitude driven by obliquity, precession-eccentricity, and atmospheric CO2
Kanon Kino, Ayako Abe-Ouchi, Ryouta O’ishi, Fuyuki SAITO, Masakazu Yoshimori
MIS14-15Origin of Circumpolar Deep Water intruding onto the Amundsen and Bellingshausen Sea continental shelves
Yoshihiro Nakayama, Menemenlis Dimitris, Hong Zhang, Michael Schodlok, Eric Rignot
MIS14-16Ocean and material circulation in the southern part of the Australian Antarctic Basin in 2018/2019 summer – preliminary results from Kaiyomaru KY18-04 cruise
Katsuro Katsumata, Daisuke Hirano, Daiki Nomura, Kaihe Yamazaki, Yoichiro Koh, Masaaki Kiuchi, Shigeru Aoki, Hiroto Murase
MIS14-17Mooring observation aiming direct current measurement and quantitative evaluation of Meridional Circulation of Southern Ocean
Kitade Yujiro, Kohei Mizobata, Kazuho Watanabe, Linquiao Chen, Gaopin Guo, Shigeru Aoki, Shyuki Ushio, Keishi Shimada, Kay I. Ohshima
Presentation No.Poster Presentation
MIS14-P01Preliminary study on the effect of low-salinity ice melting water on biomass and composition of ice algae
Keigo Takahashi, Ryosuke Makabe, Shintaro Takao, Tsuneo Odate, Masato Moteki
MIS14-P02Effects of lugol’s fixtation on preservation of samples for carbon and nitrogen stable isotope and molecular analyses
Masayoshi Sano, Ryosuke Makabe, Ayu Yamamoto, Norio Kurosawa, Masato Moteki,
Tsuneo Odate
MIS14-P03The application of environmental DNA for the monitoring of Antarctic marine ecosystem
Aiko Tachibana, Ryosuke Makabe, Masato Moteki
MIS14-P04Coincidental occurrence process of frazil ice and high biomass off Amery Ice Shelf
Yoshihiko Machimura, Kay I. Ohshima, Kazuki Nakata, Masato Ito, Yasushi Fukamachi,
Ryosuke Makabe, Shintaro Takao, Sohey Nihashi
MIS14-P05Feeding habit of the Antarctic amphipod Themisto gaudichaudiiof Vincennes Bay (East Antarctica) during austral summer
Junji Matsushita, Ryosuke Makabe, Masato Moteki
MIS14-P06Time-series observation of subsurface chlorophyll a maximum in the seasonal ice zone of the Southern Ocean
Ayuko Kagesawa, Masayoshi Sano, Shintaro Takao, Ryosuke Makabe, Kohei Mizobata,
Norio Kurosawa, Masato Moteki, Tuneo Odate
MIS14-P07Seasonality in sulfur isotopic compositions of atmospheric sulfate and its implications for atmospheric sulfur cycles in East Antarctica
Sakiko Ishino, Shohei Hattori, Joel Savarino, Michel Legrand, Susanne Preunkert, Bruno
Jourdain, Francis Albarede, Emmanuelle Albalat, Naohiro Yoshida
MIS14-P08Penultimate glacial-interglacial transition viewed from the Dome Fuji ice core, Antarctica
Ikumi Oyabu, Kenji Kawamura, Kyotaro Kitamura
MIS14-P09Reconstruction of Antarctic ice sheet dynamics in the Last Interglacial
Mutsumi Iizuka, Osamu Seki, Takuya Itaki, Tomohisa Irino, Minoru Ikehara, Saiko Sugisaki,
Masanobu Yamamoto, Keiji Horikawa, Yuusuke Suganuma
MIS14-P10Pliocene CO2 concentration estimated from Southern Ocean SST
Osamu Seki, Tomohiro Shimono
MIS14-P11Lithogenic fluxes across a transect in the SW Indian Ocean since the last glacial inception
Eri Helen Amsler, Walter Geibert, Gerhard Kuhn, Minoru Ikehara, Samuel Jaccard
MIS14-P12Changes in composition of fossil diatoms from Ross Sea under gradual warming climate from MIS M2
Saki Ishino, Itsuki Suto, Rob M. McKay, Laura De Santis, Denise K. Kluhanek, Expedition
374 Scientists
MIS14-P13Geological insights into formation of Conrad Rise, Southern Ocean: Preliminary geological results of R/V Hakuho-maru KH-19-1 cruise
Hiroshi Sato, Masakazu Fujii, Hiroki Matsui, Minoru Ikehara
MIS14-P14Fossil chrysophyte cysts as a new paleoenvironmental proxy
Yuji Kato, Itsuki Suto
MIS14-P15Spatiotemporal variability of surface mass balance along the JARE traverse route for 1991−2019
Shun Tsutaki, Hideaki Motoyama, Ayako Abe-Ouchi, Shuji Fujita, Kenji Kawamura
MIS14-P16The weathering of granitic rocks in the Sør-Rondane Mountains, East Antarctica
Tatsuo Kanamaru, Yusuke Suganuma, hisashi Oiwane, Hideki Miura, Makoto Miura, Jun’ichi
Okuno, Hideaki Hayakawa
MIS14-P17Summary of the 2nd Year Activities of the Project on the Interaction of the solid Earth and the Antarctic Ice Sheet:
Yoichi Fukuda, Jun Nishijima, Takahito Kazama, Kazuki Nakamura, Koichiro Doi, Yusuke
Suganuma, Jun’ichi Okuno, Akito Araya, Heitaro Kaneda, Yuichi Aoyama, Hideki Miura
MIS14-P18Late Pleistocene to Holocene sea-level change in East Antarctica revealed by glacial isostatic adjustment modeling
Takeshige Ishiwa, Jun’ichi Okuno, Yusuke Suganuma, Hideki Miura
MIS14-P19An modeling study of Antarctic ice sheet of the Last Glacial Maximum and the last deglaciation
Takashi Obase, Ayako Abe-Ouchi, Ralf Greve, Fuyuki SAITO
MIS14-P20Development of a coupled ice-sheet/earth rebound model for Antarctic ice-sheet simulation
Fuyuki SAITO, Ayako Abe-Ouchi, Jun’ichi Okuno, Takashi Obase
MIS14-P21Polar amplifications in the past warm periods obtained from MIROC 4m AOGCM
Taro Higuchi, Ayako Abe-Ouchi, Wing-Le Chan, Sam Sherriff-Tadano
MIS14-P22Using a coupled AOGCM to study the Antarctic climate of the mid-Pliocene warm period
Wing-Le Chan, Ayako Abe-Ouchi
MIS14-P23CMIP5 model analysis of future changes in ocean net primary production by focusing on different response among the individual oceans and models
Akira Oka, Yuki Nakamura
MIS14-P24Factor analysis of the millennial time-scale climate variability in glacial periods
Miki Akari, Ayako Abe-Ouchi, Sam Sherriff-Tadano
MIS14-P25First continuous profiler observation of wintertime Antarctic coastal polynya
Shigeru Aoki, Kazuya Ono, Daisuke Hirano, Masato Itoh, Tomohide Noguchi, Satoshi Ozawa
MIS14-P26Surface topography survey for bared rock and accumulated snow in Antarctica by Unmanned Aero Vehicle
Yuichi Aoyama, Akihisa Hattori, Hajime Oishi, Koichiro Doi, Yoshifumi Nogi
MIS14-P27The analysis of long-term Mooring observation records in the northernmost area of seasonal sea ice zone in the Southern Ocean
Kazuho Watanabe, Kohei Mizobata, Yujiro Kitade
MIS14-P28Preliminary observation report on chlorofluorocarbons (CFCs) and sulfur hexafluoride (SF6) off the Cape Darnley in the summer of 2019
Yoshihiko Ohashi, Michiyo Yamamoto-Kawai, Kenichi Sasaki, Sayaka Kumakawa, Naoyuki
Tamura, Kay I. Ohshima
MIS14-P20Mechanism of sea-ice production variation in Amundsen Sea Polynya
Sohey Nihashi, Kouta Mine, Kazuki Nakata
MIS14-P30Estimation of thin ice thickness and discrimination of ice type from AMSR2 passive microwave data
Kazuki Nakata, Tamaru Naoya, Sohey Nihashi, Kay I. Ohshima