2021 Fiscal Year Final Research Report
Framework for dynamic risk analysis towards supply security of metals
Project/Area Number |
19K24394
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Research Category |
Grant-in-Aid for Research Activity Start-up
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Allocation Type | Multi-year Fund |
Review Section |
1101:Environmental analyses and evaluation, environmental conservation measure and related fields
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Research Institution | National Institute of Advanced Industrial Science and Technology |
Principal Investigator |
Yokoi Ryosuke 国立研究開発法人産業技術総合研究所, エネルギー・環境領域, 研究員 (80849894)
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Project Period (FY) |
2019-08-30 – 2022-03-31
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Keywords | 金属資源 / 希少性 / 安定供給 / クリティカリティ / 物質フロー分析 / 産業連関分析 / 要因分解分析 |
Outline of Final Research Achievements |
A scarcity indicator was introduced to assess the country-specific sustainability of mining, which is represented by the ratio of mine production to reserves. In addition, we analyzed Japanese scarcity-weighed metal footprints for iron, copper, and nickel, which represent the supply risk of metals, by incorporating the scarcity indicator into metal footprint accounting by international input-output analysis. The analysis showed that the supply of iron and copper in Japan depends on countries with relatively low scarcity, while the supply of nickel in Japan depends on some countries with relatively high scarcity.
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Free Research Field |
産業エコロジー
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Academic Significance and Societal Importance of the Research Achievements |
今まで全球規模で評価されることが多かった金属資源の希少性を国別で評価できる評価指標を導入し、さらにフットプリント分析と組み合わせることによって、金属消費国と金属採掘国の関係性を、採掘活動の持続可能性をふまえて分析することを可能とした。本成果は、持続的な金属利用のための資源調達リスク管理に向けて、採掘活動の持続可能性という観点からのリスク軽減のための有効な対策の議論への貢献が期待される。
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