Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Ryu , Uemura"'
Autor:
Masataka Sakai, Masako Hori, Ryu Uemura, Bassam Ghaleb, Daniele L. Pinti, Mahiro Yumiba, Masafumi Murayama, Akihiro Kano
Publikováno v:
Geoscience Letters, Vol 11, Iss 1, Pp 1-7 (2024)
Abstract Stalagmites are useful archives in reconstructing paleoclimates: most paleoclimate studies used stalagmites that are distributed in specific locations and ages. We examined a stalagmite (GYM-1) collected from Nara Prefecture, central Japan,
Externí odkaz:
https://doaj.org/article/372281b3e86841c99b161394c035e76b
Autor:
Ryuji Asami, Rikuto Hondo, Ryu Uemura, Masaki Fujita, Shinji Yamasaki, Chuan-Chou Shen, Chung-Che Wu, Xiuyang Jiang, Hideko Takayanagi, Ryuichi Shinjo, Akihiro Kano, Yasufumi Iryu
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract We applied a new geoarchaeological method with two carbonate archives, which are fossil snails from Sakitari Cave and stalagmites from Gyokusen Cave, on Okinawa Island, Japan, to reconstruct surface air temperature changes over the northwest
Externí odkaz:
https://doaj.org/article/91b96df53b9b4e87a3bd74a85fdb54cb
Autor:
Ryuji Asami, Taketo Matsumori, Ryuichi Shinjo, Ryu Uemura, Yuki Miyaoka, Masaru Mizuyama, Yuji Ise, Takashi Sakamaki
Publikováno v:
Progress in Earth and Planetary Science, Vol 8, Iss 1, Pp 1-16 (2021)
Abstract The geochemistry of calcifying marine organisms is an excellent proxy for reconstructing paleoceanographic history, but studies of hypercalcified demosponges (sclerosponges) are considerably fewer than those of corals, foraminifers, and biva
Externí odkaz:
https://doaj.org/article/02ed95feacd6471e8b71dc04773205a3
Autor:
Ryuji Asami, Akira Kinjo, Daiki Ohshiro, Tohru Naruse, Masaru Mizuyama, Ryu Uemura, Ryuichi Shinjo, Yuji Ise, Yoshihisa Fujita, Takashi Sakamaki
Publikováno v:
Progress in Earth and Planetary Science, Vol 7, Iss 1, Pp 1-18 (2020)
Abstract The geochemistry of the calcium carbonates of marine organisms is an excellent proxy for reconstruction of the paleoceanographic history. However, previous studies of hypercalcified demosponges (sclerosponges) are considerably fewer than tho
Externí odkaz:
https://doaj.org/article/23bb15d343e948f989411630722e6d2b
Autor:
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
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-11 (2018)
The Antarctic temperature record displays a puzzling asynchrony with changes in CO2 through glacial cycles. Here, the authors show that a 720,000-year Antarctic temperature record is affected by variations in obliquity-induced local insolation that a
Externí odkaz:
https://doaj.org/article/bb26492a5aa24974822c725959bada70
Autor:
Yoshinori Iizuka, Hiroshi Ohno, Ryu Uemura, Toshitaka Suzuki, Ikumi Oyabu, Yu Hoshina, Kotaro Fukui, Motohiro Hirabayashi, Hideaki Motoyama
Publikováno v:
Tellus: Series B, Chemical and Physical Meteorology, Vol 68, Iss 0, Pp 1-12 (2016)
To better understand how sea salt reacts in surface snow of Antarctica, we collected and identified non-volatile particles in surface snow along a traverse in East Antarctica. Samples were obtained during summer 2012/2013 from coastal to inland regio
Externí odkaz:
https://doaj.org/article/0fae2350962440f8a5cd4dc86974409b
Autor:
Jiajia Wang, Hongxi Pang, Shuangye Wu, Spruce W. Schoenemann, Ryu Uemura, Alexey Ekaykin, Martin Werner, Alexandre Cauquoin, Sentia Goursaud Oger, Summer Rupper, Shugui Hou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::156b917bb723e7e828e0b0027d3da715
https://doi.org/10.5194/essd-2022-384-supplement
https://doi.org/10.5194/essd-2022-384-supplement
Autor:
Jiajia Wang, Hongxi Pang, Shuangye Wu, Spruce W. Schoenemann, Ryu Uemura, Alexey Ekaykin, Martin Werner, Alexandre Cauquoin, Sentia Goursaud Oger, Summer Rupper, Shugui Hou
Stable water isotopic observations in surface snow over Antarctica provide a foundation for validating isotopic models and interpreting Antarctic ice core records. Here, we present a new compilation of Antarctic surface snow isotopic dataset with str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0aa4db94ca39476f184d8b950ecc031f
https://doi.org/10.5194/essd-2022-384
https://doi.org/10.5194/essd-2022-384
Autor:
Shuji Fujita, Kotaro Fukui, Fumio Nakazawa, Hiroyuki Enomoto, Shin Sugiyama, Yoshiyuki Fujii, Koji Fujita, Teruo Furukawa, Keiichiro Hara, Yu Hoshina, Makoto Igarashi, Yoshinori Iizuka, Satoshi Imura, Hideaki Motoyama, Sylviane Surdyk, Ryu Uemura
Publikováno v:
Antarctic Record, Vol 58, Iss 3, Pp 352-392 (2014)
In the seventh five-year plan of the Japanese Antarctic Research Expedition, a group of Japanese scientists (led by the National Institute of Polar Research) together with a group of Swedish scientists, conducted field surveys to better understand th
Externí odkaz:
https://doaj.org/article/c39f594ee0a64e72b153879baaaaeaeb
Autor:
Ryuji Asami, Rikuto Hondo, Ryu Uemura, Masaki Fujita, Shinji Yamasaki, Chuan-Chou Shen, Chung-Che Wu, Xiuyang Jiang, Hideko Takayanagi, Ryuichi Shinjo, Akihiro Kano, Yasufumi Iryu
We applied a new geoarchaeological method with two carbonate archives, which are fossil snails from Sakitari Cave and stalagmites from Gyokusen Cave, on Okinawa Island, Japan, to reconstruct surface air temperature changes over the northwestern Pacif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25b19fe57045007830e7510e98bff586
https://doi.org/10.5194/egusphere-egu22-4159
https://doi.org/10.5194/egusphere-egu22-4159