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Journal Articles

Development of comprehensive techniques for coastal site characterisation, 1; Strategic overview

Ota, Kunio; Amano, Kenji; Niizato, Tadafumi; Alexander, W. R.*; Yamanaka, Yoshiaki*

Proceedings of 13th International Conference on Environmental Remediation and Radioactive Waste Management (ICEM 2010) (CD-ROM), p.123 - 132, 2010/10

The assurance of the long-term stability of the geological environment is ${it sine qua non}$ for deep geological disposal. In Japan, since uplift/subsidence and climatic and sea-level changes would result in a significant change to hydraulic and hydrochemical conditions at coastal sites, it is of importance to establish comprehensive techniques for characterising the overall evolution of coastal sites over geological time. To this end, palaeohydrogeological study is ongoing in the coastal area around Horonobe in northern Hokkaido. A "Geosynthesis Data Flow Diagram" defining a methodology for characterising the palaeohydrogeological evolution of the site has been formulated and, based on the geosynthesis methodology, a basic strategy has been established for stepwise investigations from initial survey of existing information to the final borehole programme at any coastal site. This technique has now been tested and optimised with the progress of the investigations.

JAEA Reports

Establishment of advanced integration technology for site characterization of deep geological repository; Development of information synthesis and interpretation system; Annual report 2007 (Contract research)

Osawa, Hideaki; Ota, Kunio; Hama, Katsuhiro; Sawada, Atsushi; Takeuchi, Shinji; Amano, Kenji; Saegusa, Hiromitsu; Matsuoka, Toshiyuki; Miyamoto, Tetsuo; Toyoda, Gakuji; et al.

JAEA-Research 2008-085, 742 Pages, 2008/11

JAEA-Research-2008-085-1.pdf:26.22MB
JAEA-Research-2008-085-2.pdf:16.64MB
JAEA-Research-2008-085-3.pdf:28.27MB

This report shows the results the project for the establishment of comprehensive site characterization technology, entrusted from Natural Resources and Energy Agency, Ministry of Economy, Trade and Industry Natural Resources and Energy Agency in 2007.

Journal Articles

Development of know-how and systematic techniques for characterisation of coastal geological environment at Horonobe

Yamanaka, Yoshiaki; Matsuoka, Toshiyuki; Asamori, Koichi; Ota, Kunio

Shadan Hojin Butsuri Tansa Gakkai Dai-119-Kai (Heisei-20-Nendo Shuki) Gakujutsu Koenkai Koen Rombunshu, p.73 - 75, 2008/10

Characterisation of the coastal geological environment has now been running since July 2007 at Horonobe, northern Hokkaido, with the main aims of establishing a comprehensive coastal site characterisation technology and enhancing its reliability. Work carried out to date involves a survey and interpretation of the existing information, identification of key investigation issues and planning of ground exploration. Development of technical know-how and decision process for the work, in particular the geophysical surveys, has been initiated to provide "knowledge" to support a site characterisation project.

Oral presentation

Development of Information Synthesis and Interpretation System (ISIS), 7; Development of know-how and decision process for characterisation of coastal geological environment

Kunimaru, Takanori; Yamanaka, Yoshiaki; Ota, Kunio; Niizato, Tadafumi; Asamori, Koichi; Hiraga, Naoto; Matsuoka, Toshiyuki

no journal, , 

no abstracts in English

Oral presentation

Development of Information Synthesis and Interpretation System (ISIS), 6; Formulation of synthesis data flow diagram for characterisation of coastal geological environment

Saegusa, Hiromitsu; Ota, Kunio; Niizato, Tadafumi; Amano, Kenji; Yamanaka, Yoshiaki; Maekawa, Keisuke; Kunimaru, Takanori; Hama, Katsuhiro

no journal, , 

no abstracts in English

Oral presentation

Characterisation of coastal geological environment, 2; Understanding of geological and hydrochemical properties of Horonobe coastal environment through survey of existing information and ground geophysics

Matsuoka, Toshiyuki; Yamanaka, Yoshiaki; Asamori, Koichi; Amano, Kenji; Niizato, Tadafumi; Ota, Kunio; Shigeta, Naotaka; Marui, Atsunao*; Uchida, Toshihiro*

no journal, , 

no abstracts in English

Oral presentation

Characterisation of coastal geological environment at Horonobe

Yamanaka, Yoshiaki; Hiraga, Naoto; Asamori, Koichi

no journal, , 

no abstracts in English

Oral presentation

R&D of the marine electromagnetic prospecting for geological structure investigation in the coastal area, 4; Applicability test in Horonobe coast

Yoshimura, Kimitaka*; Okazaki, Koji*; Osato, Kazumi*; Nakashima, Satoshi*; Osawa, Kenji*; Yabuuchi, Satoshi; Yamanaka, Yoshiaki; Shigeta, Naotaka

no journal, , 

no abstracts in English

Oral presentation

Technical know-how and decision process for the site characterization on the deep geological environment, 6; A Case-study for Borehole drilling investigations at coastal area

Kunimaru, Takanori; Yamanaka, Yoshiaki*

no journal, , 

In the this study, the knowledge of knowhow and the judgment grounds, etc. is extracted, arranged from the drilling survey that executes it in the littoral region in Horonobe, and it reflects it in the construction of the littoral region integration data flow.

Oral presentation

Oral presentation

Electromagnetic survey in coastal area at Horonobe in Hokkaido, 1; Outline of the survey

Yoshimura, Kimitaka*; Okazaki, Koji*; Osato, Kazumi*; Osawa, Kenji*; Yamaoka, Masanobu*; Nakashima, Satoshi*; Shigeta, Naotaka; Yabuuchi, Satoshi; Yamanaka, Yoshiaki*

no journal, , 

no abstracts in English

Oral presentation

Electromagnetic survey in coastal area at Horonobe in Hokkaido, 2; Survey result and interpretation

Osato, Kazumi*; Yamaoka, Masanobu*; Nakashima, Satoshi*; Yoshimura, Kimitaka*; Okazaki, Koji*; Shigeta, Naotaka; Yabuuchi, Satoshi; Yamanaka, Yoshiaki*

no journal, , 

no abstracts in English

Oral presentation

Electromagnetic survey in coastal area at Horonobe in Hokkaido, 3; Study on interpretation of the resistivity section using rock physics

Sakashita, Susumu*; Konishi, Chisato*; Yoshimura, Kimitaka*; Okazaki, Koji*; Shigeta, Naotaka; Yabuuchi, Satoshi; Yamanaka, Yoshiaki*

no journal, , 

no abstracts in English

Oral presentation

Development of high-speed sampling seismic recording system, 2

Yamanaka, Yoshiaki*; Murata, Kazunori*

no journal, , 

A seismic survey for travel time tomography was performed with a high-speed sampling seismic recorder at 500m stage of Mizunami Underground Research Laboratory (MIU). High speed sampling data of seismic wave enables a travel time tomography to estimate an accurate seismic velocity distribution when a target is located near surface. We could observe a clear arrival of p wave by using high speed sampling recorder though the seismic wave of granite at 500m stage is very fast.

15 (Records 1-15 displayed on this page)
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