Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Gen Hashida"'
Autor:
Kay I. Ohshima, Yasushi Fukamachi, Masato Ito, Kazuki Nakata, Daisuke Simizu, Kazuya Ono, Daiki Nomura, Gen Hashida, Takeshi Tamura
Publikováno v:
Science Advances. 8
Antarctic Bottom Water (AABW) occupies the abyssal layer of the world ocean and contributes to the global overturning circulation. It originates from dense shelf water, which forms from brine rejection during sea ice production. An important region o
Publikováno v:
Antarctic Record, Vol 56, Iss 3, Pp 447-455 (2012)
The powerful ice-breaking capability of the Japanese icebreaker Shirase raises the possibility of marine observations in the fast-ice and/or permanent ice zone; however, it has been difficult to use conventional equipment in such areas due to the ris
Externí odkaz:
https://doaj.org/article/f36744d996844d8f8cec8686fe579723
Publikováno v:
Antarctic Record, Vol 56, Iss 1, Pp 68-83 (2012)
A marine science cruise was undertaken during December 2010 and January 2011 on board the Research and Training Vessel Umitaka-Maru, operated by Tokyo University of Marine Science and Technology (TUMSAT), to accomplish projects of the six-year plan P
Externí odkaz:
https://doaj.org/article/ccc123674ee34a3fa4c23220c298cf7c
Autor:
Gen Hashida, Shin-ichiro Nakaoka, Hisashi Ono, Takakiyo Nakazawa, Hisayuki Yoshikawa, Shuji Aoki, Shinji Morimoto, Takashi Yamanouchi, Tsuneo Odate, Mitsuo Fukuchi
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 438-448 (2010)
In order to elucidate the secular trends of oceanic CO_2 uptake in the Indian sector of the Southern Ocean, pCO_2, the partial pressure of CO_2 in the ocean surface layer, has been measured since 1987 on board the icebreaker Shirase. Meridional distr
Externí odkaz:
https://doaj.org/article/579c3e5e33ba4949883bceefb2672fc5
Autor:
Kazuo Osada, Keiichiro Hara, Masanori Yabuki, Chiharu Nishita-Hara, Hiroshi Kobayashi, Kazuhiko Miura, Sayako Ueda, Masahiko Hayashi, Gen Hashida, Masataka Shiobara, Makoto Wada, Takashi Yamanouchi
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 449-464 (2010)
To investigate spatial and temporal variation of number-size distribution of atmospheric aerosol particles in the Antarctic Ocean, atmospheric observations were conducted on research vessels: Hakuho-maru, Tangaroa, and Umitaka-maru. Concentrations of
Externí odkaz:
https://doaj.org/article/180e93a97ddc4bb1be6415417e1fce5b
Autor:
Satoshi Sugawara, Sakae Toyoda, Shigeyuki Ishidoya, Shinji Morimoto, Gen Hashida, Shuji Aoki, Takakiyo Nakazawa, Takashi Yamanouchi, Hideyuki Honda
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 410-425 (2010)
Balloon-borne cryogenic samplers were launched from Japanese Antarctic Station, Syowa, on December 26, 2003 and January 5, 2004. Stratospheric air samples were successfully collected at 11 different altitudes from 10 to 30 km. After air samples were
Externí odkaz:
https://doaj.org/article/6f1bca6e05f845cfaac845d9ab35e085
Autor:
Keiichiro Hara, Kazuo Osada, Masahiko Hayashi, Masanori Yabuki, Gen Hashida, Takashi Yamanouchi
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 668-696 (2010)
Observations of aerosol constituents and acidic gases were carried out at Syowa Station (1997-1998 and 2003-2006; JARE-38~ 39, and JARE-44~ 47) and Dome Fuji Station (1997, JARE-38). Seasonal variations and size distribution of sea-salt particles
Externí odkaz:
https://doaj.org/article/a3e498027612463ea1523adb7fb65f0b
Autor:
Shinji Morimoto, Shigeyuki Ishidoya, Kentarou Ishijima, Hisashi Yashiro, Taku Umezawa, Gen Hashida, Satoshi Sugawara, Shuji Aoki, Takakiyo Nakazawa, Takashi Yamanouchi
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 374-409 (2010)
To elucidate temporal variations of greenhouse gases and their related gases in the Arctic and Antarctic regions and to investigate their sources and sinks, systematic measurements of atmospheric CO_2, CH_4CO, N_2O, O_2 and tropospheric O_3 concentra
Externí odkaz:
https://doaj.org/article/b64d9e61db164e15adc9bdbe7dc7f144
Autor:
Keiichiro Hara, Kazuo Osada, Masanori Yabuki, Gen Hashida, Takashi Yamanouchi, Masahiko Hayashi, Masataka Shiobara, Chiharu Nishita-Hara, Makoto Wada
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 593-622 (2010)
During our aerosol measurement program at Syowa Station, Antarctica in 2004-2007, some low visibility (haze) phenomena were observed under conditions with weak wind and without drifting snow and fog in winter-spring. In the "Antarctic haze" phenomeno
Externí odkaz:
https://doaj.org/article/2d649a3dc69345b28c67a2a5f4f2bcda
Autor:
Masahiko Hayashi, Kazuo Osada, Keiichiro Hara, Masanori Yabuki, Hiroshi Kobayashi, Satoshi Ihara, Makoto Wada, Takashi Yamanouchi, Gen Hashida, Masataka Shiobara
Publikováno v:
Antarctic Record, Vol 54, Iss special issue, Pp 474-486 (2010)
Concentrations of condensation nuclei (>0.01 μm in diameter) and of aerosol particles larger than 0.3 μm in diameter were monitored at Syowa Station from February, 1996. Number concentrations of condensation nucleus were high in summer and low in w
Externí odkaz:
https://doaj.org/article/472af8bd23a54ffeaca930734fe302d7