Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Nobuhiko Azuma"'
Autor:
Hideaki Motoyama, Akiyoshi Takahashi, Yoichi Tanaka, Kunio Shinbori, Morihiro Miyahara, Takayasu Yoshimoto, Yoshiyuki Fujii, Atsushi Furusaki, Nobuhiko Azuma, Yukio Ozawa, Akio Kobayashi, Yasushi Yoshise
Publikováno v:
Annals of Glaciology, Vol 62, Pp 212-222 (2021)
The Japanese second deep ice coring project was carried out at Dome Fuji, Antarctica. Following the drilling of the pilot hole in 2001, deep ice core drilling led by the Japanese Antarctic Research Expedition (JARE) was conducted over four austral su
Externí odkaz:
https://doaj.org/article/fc386974b78a4e6584345de835195420
Autor:
Hideaki Motoyama, Akiyoshi Takahashi, Yoichi Tanaka, Kunio Shinbori, Morihiro Miyahara, Takayasu Yoshimoto, Yoshiyuki Fujii, Toshitaka Suzuki, Teruo Furukawa, Kumiko Goto-Azuma, Keisuke Suzuki, Atsuhiro Muto, Makoto Igarashi, Tetsuhide Yamasaki, Shuji Fujta, Takeshi Saito, Genta Watanabe, Atsushi Furusaki, Yuanscheng Li, Chung Ji Woong, Kotaro Fukui, Fumio Nakazawa, Takao Kameda, Koji Fujita, Ichio Obinata, Takashi Saito, Kokichi Kamiyama, Jun Kinoshita, Nobuhiko Azuma, Yoshiki Nakayama, Okitsugu Watanabe, Morimasa Takata, Yukio Ozawa, Akio Kobayashi, Yasushi Yoshise
Publikováno v:
Antarctic Record, Vol 64, Pp 284-329 (2020)
The second deep ice coring project was carried out at Dome Fuji, Antarctica. Following the pilot hole drilling in 2001, deep ice core drilling was conducted for four years from the 2003/2004 austral summer season, reaching a depth of 3035.22 m in Jan
Externí odkaz:
https://doaj.org/article/6744d6a6ebce4b9ba1f2000405562940
Autor:
TOMOTAKA SARUYA, KOKI NAKAJIMA, MORIMASA TAKATA, TOMOYUKI HOMMA, NOBUHIKO AZUMA, KUMIKO GOTO-AZUMA
Publikováno v:
Journal of Glaciology, Vol 65, Pp 531-541 (2019)
We investigated the effects of microparticles and grain size on the microstructural evolutions and mechanical properties of polycrystalline ice. Uniaxial compression tests were conducted using fine-grained pure ice and silica-dispersed ice under vari
Externí odkaz:
https://doaj.org/article/f6d7f071bc9e420992bb3bd83f591d04
Experimental results on improved JARE deep ice core drill-Experiments in Rikubetsu, Hokkaido in 2002
Autor:
Takao Kameda, Yoshiyuki Fujii, Akiyoshi Takahashi, Yoichi Tanaka, Hideki Narita, Kunio Shinbori, Nobuhiko Azuma, Teruo Furukawa, Takayasu Yoshimoto, Morihiro Miyahara, Makato Igarashi, Mika Kohno, Sumito Matoba, Yoko Toyama, Kazuhide Satow, Shuhei Takahashi, Okitsugu Watanabe
Publikováno v:
Antarctic Record, Vol 46, Iss 2, Pp 377-398 (2002)
Deep ice coring to bedrock (3028m in depth) at Dome Fuji Station is planned during three successive summer seasons starting from 2003/2004. An improved JARE deep ice core drill (12.2m in length and 3.8m in maximum core length) was developed in Decemb
Externí odkaz:
https://doaj.org/article/0e5f423445cf4266ae95b8c70f080f82
Autor:
Yoshiyuki Fujii, Nobuhiko Azuma, Yoichi Tanaka, Akiyoshi Takahashi, Kunio Shinbori, Yoshiki Nakayama, Hideaki Motoyama, Kazuo Katagiri, Shuji Fujita, Morihiro Miyahara, Takao Kameda, Takashi Saito, Takeshi Saito, Hitoshi Shoji, Takayuki Shiraiwa, Hideki Narita, Kokichi Kamiayma, Teruo Furukawa, Hideo Maeno, Hiroyuki Enomoto, Renji Naruse, Kotaro Yokoyama, Takeo Hondo, Yutaka Aageta, Kunio Kawada, Okitsugu Watanabe
Publikováno v:
Antarctic Record, Vol 43, Iss 1, Pp 162-210 (1999)
Deep ice coring was carried out at Dome Fuji Station, Antarctica in 1995 and 1996 following a pilot borehole drilled and cased with FRP pipes in 1993,and reached 2503.52m in December 1996. Total numbers of ice coring runs below the pilot borehole and
Externí odkaz:
https://doaj.org/article/018d3fde5a144a0c859a52d67cf3a1e7
Publikováno v:
Antarctic Record, Vol 41, Iss 1, Pp 459-466 (1997)
In the area west of Mizuho Plateau, outflow of the ice sheet is hindered by a chain of mountains (Sor Rondane, Belgica and Yamato Mountains etc.) lying along the coast of the continent and ice shelves are developing at the margin of the ice sheet. Th
Externí odkaz:
https://doaj.org/article/0781a1cb68994ef1897aa3ba9665561b
Autor:
Akiyoshi Takahashi, Yoshiyuki Fujii, Hideki Narita, Yoichi Tanaka, Hideaki Motoyama, Kunio Shinbori, Morihiro Miyahara, Nobuhiko Azuma, Yoshiki Nakayama, Okitsugu Watanabe
Publikováno v:
Antarctic Record, Vol 40, Iss 1, Pp 25-42 (1996)
A deep ice coring system for Dome Fuji project has been developed under a project coordinated by the National Institute of Polar Research. Three reports have been issued already, mainly about the development of the drill system. We report here on the
Externí odkaz:
https://doaj.org/article/4d6c5466a9be4b4f8e7971f84633bb75
Autor:
Hideki Narita, Yoshiyuki Fujii, Akiyoshi Takahashi, Yoichi Tanaka, Hideaki Motoyama, Kunio Shinbori, Morihiro Miyahara, Nobuhiko Azuma, Yoshiki Nakayama, Okitsugu Watanabe
Publikováno v:
Antarctic Record, Vol 39, Iss 2, Pp 99-146 (1995)
A deep ice coring system, which is to be used at Dome Fuji Station located at the summit of the Queen Maud Land ice sheet in 1995 and 1996,has been under development since 1988. The mechanical system was designed to reduce power consumption and weigh
Externí odkaz:
https://doaj.org/article/a1c9e89bb9a84d5f9d1d4dc55f5d64bc
Publikováno v:
Antarctic Record, Vol 35, Iss 1, Pp 12-29 (1991)
Recent observations show that the ice sheet in the Shirase Glacier drainage basin, East Antarctica, is thinning. If the observed thinning is assumed to be a transitional process in which the ice sheet is adjusting to the present climate, an equilibri
Externí odkaz:
https://doaj.org/article/b450009961274bd7aa2cad14a6319213
Autor:
Yoshiyuki Fujii, Hideaki Motoyama, Hideki Narita, Kunio Shinbori, Nobuhiko Azuma, Yoiti Tanaka, Moriatsu Miyahara, Akiyoshi Takahashi, Okitsugu Watanabe
Publikováno v:
Antarctic Record, Vol 34, Iss 3, Pp 303-345 (1990)
A deep ice coring system, which is to be used a top the Queen Maud Land ice sheet in 1994-1995 with a plan named "Dome Project", has been developed since 1988. A mechanical system was adopted because of its less power consumption and smaller size com
Externí odkaz:
https://doaj.org/article/b4aeb27253054e43a28c8903c6d77af3