|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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 ...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Thu Lan Nguyen, Ichiro Yamada, Takashi Yano, Koichi Makino and Masaharu Ohya
Many decibel-based noise indicators are used in noise policy to evaluate aircraft sound in the environment. Among those, day?evening?night-weighted sound pressure level (Lden" role="presentation" style="position: relative;">??denLden
L
den
), day?night-w...
ver más
|
|
|
|
|
|
|
|
|
|
|
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 ...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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 ...
ver más
|
|
|
|
|
|