Precise Modeling of Hydraulic Structures of Geologic Media for Predicting Long-Term Groundwater Flow
| Project/Area Number |
20360408
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Earth system and resources enginnering
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| Research Institution | Kumamoto University |
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Principal Investigator |
KOIKE Katsuaki Kumamoto University, 大学院・自然科学研究科, 教授 (80205294)
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| Co-Investigator(Kenkyū-buntansha) |
SATO Akira 熊本大学, 大学院・自然科学研究科, 准教授 (40305008)
ASAUE Hisafumi 熊本大学, 大学院・自然科学研究科, 助教 (70462843)
天野 健治 独立行政法人日本原子力研究開発機構, 地層処分研究開発部, 研究員 (40421680)
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| Research Collaborator |
LIU Chunxue 雲南財経大学(中国)都市管理, 資源環境学部, 教授
ALAA Masoud タンタ大学(エジプト), 理学部・地質学科, 准教授
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2009: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
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| Keywords | 透水係数 / 亀裂 / 地質構造 / 岩石物性 / 水質 / 空間モデリング / 地球統計学 / 花崗岩体 |
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| Research Abstract |
Two precise spatial modeling methods for rock fracture distributions with incorporation of location and orientation, which control the permeability of geologic media, and for hydraulic conductivity distribution with different scales from rock sample to whole rock body were developed. By integrating these two spatial models, several important characteristics such as a relationship between the high permeable zones and the configuration of rock fractures were clarified. These models were also able to be combined with a numerical simulation of groundwater flow efficiently. As the result, the effect of faults on the groundwater flow and the mechanism of chemical concentration changes with the flow were estimated by the simulation. In addition, prediction of long-term groundwater flow in consideration of the topographic changes by the erosion could be implemented through the tools constructed by this study.
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Report
(4 results)
Research Products
(76 results)
