Search Results

極域氷床深層コアの化学成分分析用試料の汚染除去前処理方法の検討

by 三宅 隆之, 平林 幹啓, 植村 立, 東 久美子, 本山 秀明, Takayuki Miyake, Motohiro Hirabayashi, Ryu Uemurai, Kumiko Goto-Azuma, Hideaki Motoyama
Published 2009

Changes in flux, size and composition of dust at Dome Fuji, Antarctica across Termination I

by Kumiko Goto-Azuma, Motohiro Hirabayashi, Kaori Fukuda, Jun Ogata, Yoshimi Ogawa-Tsukagawa, Kyotaro Kitamura, Ayaka Yonekura, Shuji Fujita, Kenji Kawamura, Fumio Nakazawa
Published 2022

Variations in mineralogy of dust in an ice core obtained from Northwestern Greenland during the past 100 years

by Naoko Nagatsuka, Kumiko Goto-Azuma, Akane Tsushima, Hideaki Motoyama, Sumito Matoba, Koji Fujita, Tetsuhide Yamasaki, Yukihiko Onuma, Masahiro Minowa, Teruo Aoki, Motohiro Hirabayashi
Published 2018

General tendencies of stable isotopes and major chemical constituents of the Dome Fuji deep ice core (scientific paper)

by Okitsusgu Watanabe, Kokichi Kamiyama, Hideaki Motoyama, Yoshiyuki Fujii, Makoto Igarashi, Teruo Furukawa, Kumiko Goto-Azuma, Takashi Saito, Satoru Kanamori, Nobuko Kanamori, Naohiro Yoshida, Ryu Uemura
Published 2003

Analyses of Ice Core Data from Various Sites in Svalbard Glaciers from 1987 to 1999

by Hideaki Motoyama, Okitsugu Watanabe, Yoshiyuki Fujii, Kokichi Kamiyama, Makoto Igarashi, Sumito Matoba, Takao Kameda, Kumiko Goto-Azuma, Kaoru Izumi, Hideki Narita, Yoshinori Iizuka, Elisabeth Isaksson
Published 2008

国立極地研究所アイスコア研究センターにおける雪氷分析法の開発

by 東 久美子, レミ ダルマイヤー, 藤田 秀二, 平林 幹啓, 川村 賢二, 本山 秀明, Kumiko Goto-Azuma, Remi Dallmayr, Shuji Fujita, Motohiro Hirabayashi, Kenji Kawamura, Hideaki Motoyama
Published 2016

極域雪氷試料におけるダスト濃度分析法の改良と試料保存過程によるダスト濃度への影響

by 三宅 隆之, 山田 廣宣, 東 久美子, 倉元 隆之, 平林 幹啓, 本山 秀明, Takayuki Miyake, Hironobu Yamada, Kumiko Goto-Azuma, Takayuki Kuramoto, Motohiro Hirabayashi, Hideaki Motoyama
Published 2014

Metamorphism of layered firn at Dome Fuji, Antarctica: Evolution of relations between Near-infrared reflectivity and the other textural/chemical properties

by Shuji Fujita, Kumiko Goto-Azuma, Motohiro Hirabayashi, Akira Hori, Yoshinori Iizuka, Yuko Motizuki, Hideaki Motoyama, Kazuya Takahashi, Hiroyuki Enomoto, Kotaro Fukui, Yu Hoshina, Fumio Nakazawa, Shin Sugiyama, Sylviane Surdylk
Published 2019

Variations in mineralogy of dust in ice cores obtained from northwestern and northeastern Greenland over the past 100 years

by Naoko Nagatsuka, Kumiko Goto-Azuma, Akane Tsushima, Koji Fujita, Sumito Matoba, Yukihiko Onuma, Yuki Komuro, Motohiro Hirabayashi, Jun Ogata, Yoshimi Ogawa-Tsukagawa, Kyotaro Kitamura, Teruo Aoki, Trevor Popp, Dorthe Dahl-Jensen
Published 2022

Continuous flow analysis of iron oxide in a Greenland ice core using a modified single-particle soot photometer

by Kumiko Goto-Azuma, Nobuhiro Moteki, Yoshimi Ogawa-Tsukagawa, Kaori Fukuda, Sho Ohata, Atsushi Yoshida, Tatsuhiro Mori, Yutaka Kondo, Makoto Koike, Motohiro Hirabayashi, Remi Dallmayr, Jun Ogata, Kyotaro Kitamura, Sumito Matoba, Teruo Aoki
Published 2020

Seasonal Variation of Wet Deposition of Black Carbon at Ny-Ålesund, Svalbard

by Tatsuhiro Mori, Sho Ohata, Kumiko Goto-Azuma, Yutaka Kondo, Kaori Fukuda, Yoshimi Ogawa-Tsukagawa, Nobuhiro Moteki, Atsushi Yoshida, Makoto Koike, Puna Ram Sinha, Naga Oshima, Hitoshi Matsui, Yutaka Tobo, Masanori Yabuki, Wenche Aas
Published 2020

Reduced marine biogenic sulphate flux in East Antarctica during glacial periods - Based on ion chemistry records from Dome Fuji ice core -

by Kumiko Goto-Azuma, Motohiro Hirabayashi, Hideaki Motoyama, Takayuki Miyake, Takayuki Kuramoto, Ryu Uemura, Makoto Igarashi, Yoshinori Iizuka, Toshimitsu Sakurai, Shinichiro Horikawa, Keisuke Suzuki, Toshitaka Suzuki, Koji Fujita, Yutaka Kondo, Shohei Hattori, Yoshiyuki Fujii
Published 2019

Asynchrony between Antarctic temperature and CO2 associated with obliquity over the past 720,000 years

by Ryu Uemura, Hideaki Motoyama, Valérie Masson-Delmotte, Jean Jouzel, Kenji Kawamura, Kumiko Goto-Azuma, Shuji Fujita, Takayuki Kuramoto, Motohiro Hirabayashi, Takayuki Miyake, Hiroshi Ohno, Koji Fujita, Ayako Abe-Ouchi, Yoshinori Iizuka, Shinichiro Horikawa, Makoto Igarashi, Keisuke Suzuki, Toshitaka Suzuki, Yoshiyuki Fujii
Published in Nature Communications (2018)

Concentrations and size distribution of black carbon in Northwest Greenland during the past 350 years reconstructed from an ice core

by Kumiko Goto-Azuma, Yoshimi Ogawa-Tsukagawa, Yutaka Kondo, Remi Dallmayr, Motohiro Hirabayashi, Jun Ogata, Kyotaro Kitamura, Kenji Kawamura, Hideaki Motoyama, Sumito Matoba, Teruo Aoki, Nobuhiro Moteki, Sho Ohata, Tatsuhiro Mori, Makoto Koike, Yuki Komuro, Akane Tsushima, Naoko Nagatsuka, Wataru Shigeyama, Koji Fujita
Published 2018

A bipolar comparison of deep ice cores from Antarctica (Dome Fuji) and Greenland (GRIP) (scientific paper)

by Hitoshi Shoji, Atsushi Miyamoto, Kimiko Shimohara, Okitsugu Watanabe, Yoshiyuki Fujii, Kokichi Kamiyama, Hideaki Motoyama, Kumiko Goto-Azuma, Makoto Igarashi, Morimasa Takata, Mika Kohno, Shuji Fujita, Takakiyo Nakazawa, Shuji Aoki, Kenji Kawamura, Hideki Narita, Kunio Kawada, Nobuhiko Azuma, Takashi Saito, Henrik B. Clausen, Sigfus J. Johnsen
Published 2003

Black Carbon in Snowpack over the Different Regions in the Arctic

by Tatsuhiro Mori, Kumiko Goto-Azuma, Yutaka Kondo, Yoshimi Ogawa-Tsukagawa, Kazuhiko Miura, Motohiro Hirabayashi, Makoto Koike, Nobuhiro Moteki, Sho Ohata, Naga Oshima, Puna Ram Sinha, Konosuke Sugiura, Teruo Aoki, Martin Schneebeli, Konrad Steffen, Atsushi Sato, Akane Tsushima, Vladimir Makarov, Satoshi Omiya, Atsuko Sugimoto, Shinya Takano
Published 2018

Japanese participation in the new international deep ice core project in Greenland (EGRIP) under the ArCS project

by 東 久美子, 川村 賢二, 藤田 秀二, 奥野 淳一, 本山 秀明, 阿部 彩子, グレーベ ラルフ, 齋藤 冬樹, 本間 智之, 東 信彦, 榎本 浩之, Dorthe Dahl-Jensen, Kumiko Goto-Azuma, Kenji Kawamura, Shuji Fujita, Jun’ichi Okuno, Ayako Abe-Ouchi, Ralf Greve, Fuyuki Saito, Tomoyuki Homma, Nobuhiko Azuma, Hideaki Motoyama, Hiroyuki Enomoto
Published 2016

High-resolution Greenland Ice Core data show abrupt climate change happens in few years

by Steffensen Jørgen, Peder, Andersen Katrine, K., Matthias, Bigler, Clausen Henrik, B., Dorthe, Dahl-Jensen, Hubertus, Fischer, Kumiko, Goto-Azuma, Margareta, Hansson, Johnsen Sigfús, J., Jouzel, Jean, Masson-Delmotte, Valérie, Trevor, Popp, Rasmussen Sune, O., Regine, Röthlisberger, Urs, Ruth, Bernhard, Stauffer, Marie-Louise, Siggaard-Andersen, Sveinbjörnsdóttir Árný, E., Anders, Svensson, C. White James, W.
Published in Science (2008)

High-resolution Greenland Ice Core data show abrupt climate change happens in few years

by Steffensen Jørgen, Peder, Andersen Katrine, K., Matthias, Bigler, Clausen Henrik, B., Dorthe, Dahl-Jensen, Hubertus, Fischer, Kumiko, Goto-Azuma, Margareta, Hansson, Johnsen Sigfús, J., Jouzel, Jean, Masson-Delmotte, Valérie, Trevor, Popp, Rasmussen Sune, O., Regine, Röthlisberger, Urs, Ruth, Bernhard, Stauffer, Marie-Louise, Siggaard-Andersen, Sveinbjörnsdóttir Árný, E., Anders, Svensson, C. White James, W.
Published in Science (2008)

High-resolution Greenland Ice Core data show abrupt climate change happens in few years

by Steffensen Jørgen, Peder, Andersen Katrine, K., Matthias, Bigler, Clausen Henrik, B., Dorthe, Dahl-Jensen, Hubertus, Fischer, Kumiko, Goto-Azuma, Margareta, Hansson, Johnsen Sigfús, J., Jouzel, Jean, Masson-Delmotte, Valérie, Trevor, Popp, Rasmussen Sune, O., Regine, Röthlisberger, Urs, Ruth, Bernhard, Stauffer, Marie-Louise, Siggaard-Andersen, Sveinbjörnsdóttir Árný, E., Anders, Svensson, C. White James, W.
Published in Science (2008)