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Hiromi Kaji and Toru Takeshita
We conducted microstructural and microchemical analyses of deformation bands in a forearc fold belt consisting of the Eocene Urahoro Group located in northern Japan. In the study area, there was one flexure (or monocline) developed where deformation band...
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Seiichiro Ioka and Hirofumi Muraoka
The energy available via microbial sulfate reduction was estimated for a Quaternary aquifer in northern Japan that is a candidate site for low temperature aquifer thermal energy storage. In evaluating whether microbial sulfate reduction proceeded or ceas...
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Sergey Smirnov, Grigory Dolgikh, Igor Yaroshchuk, Alexander Lazaryuk, Alexandra Kosheleva, Alex Shvyrev, Alexander Pivovarov and Aleksandr Samchenko
To study the features of resonant oscillations in the water column of the Peter the Great Gulf of the Sea of Japan, in situ measurements were carried out on its shelf, combined with numerical simulation of these processes. The observational data were obt...
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Takashi Ninomiya, Shoichi Shimoyama, Sho Taniguchi, Toshihiro Takahashi, Tohru Danhara and Hideki Iwano
The Tsushima Lapilli Tuff, the thickest tuff in the Taishu Group on Tsushima Island, underwent a thermal event after deposition, and has not previously yielded a reliable age because various ages have been reported. This study clarifies the eruption age ...
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Yota Suzuki, Seiichiro Ioka and Hirofumi Muraoka
To promote geothermal development in Aomori Prefecture, Japan, this study compiled a database of the geothermal resources of the prefecture, which included chemical data for 786 hot springs, temperature data for 26 natural springs, and subsurface tempera...
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Tomotsugu Yazaki, Takashi Hirano and Tomohito Sano
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Seiichiro Ioka and Hirofumi Muraoka
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Nophea Sasaki, Toshiaki Owari and Francis E. Putz
Damage to the Fukushima Nuclear Power Plant by the recent earthquake and tsunami that hit northern Japan should stimulate consideration of alternative sources of energy. In particular, if managed appropriately, the 25.1 million ha of Japanese forests cou...
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Karol Nowakowski, Michal Ptaszynski, Fumito Masui and Yoshio Momouchi
Ainu is a critically endangered language spoken by the native inhabitants of northern Japan. This paper describes our research aimed at the development of technology for automatic processing of text in Ainu. In particular, we improved the existing tools ...
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Sadra Karimzadeh and Masashi Matsuoka
We performed interferometric synthetic aperture radar (InSAR) analyses to observe ground displacements and assess damage after the M 6.6 Hokkaido Eastern Iburi earthquake in northern Japan on 6 September 2018. A multitemporal SAR coherence map is extract...
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Fumiaki Takakai, Seiya Hirano, Yuka Harakawa, Keiko Hatakeyama, Kentaro Yasuda, Takashi Sato, Kazuhiko Kimura and Yoshihiro Kaneta
A field experiment was conducted to evaluate the fate of nitrogen (N) derived from fertilizer (fertilizer-derived N) applied to a paddy field after rice harvesting to promote rice straw decomposition during the fallow season, and to determine its effect ...
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Fumiaki Takakai, Takemi Kikuchi, Tomomi Sato, Masato Takeda, Kensuke Sato, Shinpei Nakagawa, Kazuhiro Kon, Takashi Sato and Yoshihiro Kaneta
In northern Japan, declines in soil nitrogen fertility have occurred in paddy?upland rotation systems with soybean cultivation. A six-year lysimeter experiment was conducted to evaluate the nitrogen budget in paddy?upland rotation (three-year for upland ...
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Jose A. Naranjo
Pág. 3 - 12
The Lastarria (ca. 5,700 m, 25°10'S) and Bayo (5,380 m, 25°25'S) volcanoes in northern Chile have been historically inactive, although fumaroles are currently present in the former. Interesting 50-300 m long sulphur flows are recognized in both volcanoes...
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Nyo Me Htun, Toshiaki Owari, Satoshi Tsuyuki and Takuya Hiroshima
High-value timber species with economic and ecological importance are usually distributed at very low densities, such that accurate knowledge of the location of these trees within a forest is critical for forest management practices. Recent technological...
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Tetsuya Endo, Osamu Kimura, Masaru Terasaki, Yoshihisa Kato, Yukiko Fujii and Koichi Haraguchi
The changes in the stable isotope ratios of carbon (d13C), nitrogen (d15N), oxygen (d18O), and mercury (Hg) concentrations in muscle and liver tissues during and after lactation were studied in killer whales stranded along the coast of Hokkaido, in the n...
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Bruno Adriano, Satomi Hayashi and Shunichi Koshimura
A powerful tsunami triggered by the Mw 9.0 Tohoku earthquake struck the northern Pacific coast of Japan in 2011, destroying several coastal communities in Iwate Prefecture, Miyagi Prefecture, and Fukushima Prefecture. Here, we investigate a new spatio-te...
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Mari Yasuda, Toshiaki Muramoto and Rui Nouchi
In this research, a visiting class on disaster preparedness education for higher-grade elementary school students (10?11 years old) was conducted in Wakayama prefecture, which is exposed to Nankai Trough earthquakes, and in different parts of the three p...
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Jinichi Koue, Hikari Shimadera, Tomohito Matsuo and Akira Kondo
Water temperature near the surface of a lake increases with increasing air temperature, which results in stratification. The strength of stratification substantially influences the transport of water parcels from the surface to the bottom of a lake. In r...
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Eduardo TOME
Pág. 7 - 23
This paper presents the first draft of a future World Atlas on Intellectual Capital (IC). We believe IC is a global phenomenon and that analysing the distribution of IC in the world can help understanding much of the social and economic problems of today...
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Sayed Masihullah Ahmadi, Yoshimichi Yamamoto and Vu Thanh Ca
In the case of huge tsunamis, such as the 2004 Great Indian Ocean Tsunami and 2011 Great East Japan Tsunami, the damage caused by ground scour is serious. Therefore, it is important to improve prediction models for the topographical change of huge tsunam...
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