Papers - Umeda Koji
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Variations in the (3)He/(4)He ratios of hot springs on Shikoku Island, southwest Japan
K Umeda, S Kanazawa, C Kakuta, K Asamori, T Oikawa
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 7 2006.4
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Unusual cooling of the Middle Miocene Ichifusayama Granodiorite, Kyushu, Japan
T Oikawa, K Umeda, S Kanazawa, T Matsuzaki
JOURNAL OF MINERALOGICAL AND PETROLOGICAL SCIENCES 101 ( 1 ) 23 - 28 2006.2
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Deep structure of the miocene igneous complex in the KII Peninsula, Southwest Japan, inferred from wide-band magnetotelluric soundings
Koji Umeda
Advances in Geosciences: Volume 1: Solid Earth (SE) 207 - 213 2006.1
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Aqueous fluids derived from a subducting slab: Observed high He-3 emanation and conductive anomaly in a non-volcanic region, Kii Peninsula southwest Japan
K Umeda, Y Ogawa, K Asamori, T Oikawa
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH 149 ( 1-2 ) 47 - 61 2006.1
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K-Ar age of high magnesium andesite dikes at the Toki River in Gifu Prefecture, central Japan.
及川輝樹, 眞島英壽, 棚瀬充史, 二ノ宮淳, 梅田浩司
地質学雑誌 112 ( 10 ) 2006
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Heat Flux Distribution in Japan Taking Account of Advection Processes
SAKAGAWA Yukihiro, UMEDA Koji, ASAMORI Koichi
JGRSJ 28 ( 2 ) 211 - 221 2006
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Current status of the geoscientific research for long-term stability of the geological environment in the JNC's R & D programme
Umeda Koji, Osawa Hideaki, Nohara Tsuyoshi, Sasao Eiji, Fujiwara Osamu, Asamori Koichi, Nakatsuka Noboru
Journal of Nuclear Fuel Cycle and Environment 11 ( 2 ) 97 - 112 2005
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Geothermal Structure of the Southern Part of the Kii Peninsula Estimated from the Gravity Anomaly and the Deep Resistivity Structure
上原大二郎, 角田地文, 工藤健, 梅田浩司, 小川康雄, 棚瀬充史, 武田祐啓, 千葉昭彦, 鍵山恒臣
地震 57 ( 3 ) 2005
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Heat flux distribution in Japan with advection taken into account and non-isothermal flow simulation of Unzen volcano
Sakagawa Yukihiro, Umeda Koji, Asamori Koichi
Journal of Nuclear Fuel Cycle and Environment 11 ( 2 ) 157 - 166 2005
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Geophysical techniques for detecting magmas and high-temperature fluids;:their application to the Onikobe-Narugo volcanic region and the southern Kii Peninsula
Asamori Koichi, Umeda Koji
Journal of Nuclear Fuel Cycle and Environment 11 ( 2 ) 147 - 156 2005
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Modeling long-term volcanic hazards through Bayesian inference: An example from the Tohoku volcanic arc, Japan
AJ Martin, K Umeda, CB Connor, JN Weller, DP Zhao, M Takahashi
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 109 ( B10 ) 2004.10
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Database on the Temperature Profiles of Boreholes in Japan
Yukihiro SAKAGAWA, Koji UMEDA, Mototaka SUZUKI, Tatsuya KAJIWARA, Youhei UCHIDA
Zisin (Journal of the Seismological Society of Japan. 2nd ser.) 57 ( 1 ) 63 - 67 2004
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Deep Structure of the Miocene Igneous Complex in the Kii Peninsula, Southwest Japan, Inferred from Wide-band Magnetotelluric Soundings
UMEDA Koji, UEHARA Daijiro, OGAWA Yasuo, KUDO Takeshi, KAKUTA Chifumi
Bulletin of the Volcanological Society of Japan 48 ( 6 ) 461 - 470 2003.12
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Late Cenozoic volcanic activity in the Chugoku area, southwest Japan arc during back-arc basin opening and reinitiation of subduction
Jun-Ichi Kimura, Tomoyuki Kunikiyo, Isaku Osaka, Takashi Nagao, Seiki Yamauchi, Susumu Kakubuchi, Shomei Okada, Norie Fujibayashi, Ryuhei Okada, Hisashi Murakami, Takashi Kusano, Koji Umeda, Shintaro Hayashi, Tsuneari Ishimaru, Atusi Ninomiya, Atsushi Tanase
Island Arc 12 ( 1 ) 22 - 45 2003.3
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Probabilistic methods for estimating the long-term spatial characteristics of monogenic volcanoes in Japan
Martin et
Act. Geophysica. Polonica. 51 2003
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岩手県松川地熱地域北方に分布する火山岩のK-Ar年代
大場 司, 林 信太郎, 梅田 浩司
火山 48 2003
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Petrographic Characterization of the Tephras in the Lowermost to Lower Members of Daisen Tephra Formations.
Akira Furusawa, Koji Umeda
The Quaternary Research (Daiyonki-Kenkyu) 41 ( 5 ) 413 - 420 2002
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Detailed Comparison of Petrographic Characterization of DNP, DSP, and DKP Tephras in the Lower-Middle Members of Daisen Tephra Formations, Southwestern Japan.
古沢明, 梅田浩司
第四紀研究 41 ( 2 ) 2002
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K-Ar Ages for Lava Samples of Adatara Volcano: Reexamination of Formation History of the Volcano.
藤縄明彦, 林信太郎, 梅田浩司
火山 46 ( 3 ) 2001
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Cooling history of the Takahama Granitic Rocks, Shikoku, Ryoke Belt, Southwest Japan, with special reference to the thermal effect of the Neogene intrusive rocks.
梅田浩司, 小松亮, 棚瀬充史, 湯佐泰久
岩石鉱物科学 30 ( 1 ) 17 - 27 2001