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Article Dans Une Revue Journal of Industrial Ecology Année : 2018

Closing the TIMES Integrated Assessment Model (TIAM‐FR) Raw Materials Gap with Life Cycle Inventories

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Seungwoo Kang
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Nadia Maïzi

Résumé

Integrated assessment models are in general not constrained by mineral resource supply. In this paper, we introduce a material accounting method as a first step toward addressing the raw materials gap in the TIMES integrated assessment model (TIAM‐FR version). The method consists of attributing process‐based life cycle inventories (LCIs) taken from the ecoinvent 3.3 database to the TIAM‐FR technology processes constituting the global energy system. We demonstrate the method performing a prospective exercise on the electricity‐generating sector in a second shared socioeconomic pathway (SSP2) baseline scenario on the 2010–2100 time horizon. We start by disaggregating the LCIs into three separate life phases (construction, operation, and decommissioning) and coupling them to their respective TIAM‐FR electric outputs (new capacities, electricity production, and end‐of‐life capacities) in order to estimate the annual mineral resource requirements. Prospective uses of fossil fuels and metallic and nonmetallic mineral resources are quantified dynamically at the life phase and regional levels (15 world regions). The construction of hydropower, solar power, and wind power plants generate increasing use of metallic and nonmetallic mineral resources in successive peak and valley periods. However, the use of fossil fuels is much higher than the use of mineral resources all along the horizon. Finally, we evaluate how sensitive the global material use is to the allocation of a share of infrastructure activities to the decommissioning phase. This approach could be extended to other integrated assessment models and possibly other energy sectors.
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Dates et versions

hal-01652739 , version 1 (30-11-2017)
hal-01652739 , version 2 (21-08-2018)

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Antoine Boubault, Seungwoo Kang, Nadia Maïzi. Closing the TIMES Integrated Assessment Model (TIAM‐FR) Raw Materials Gap with Life Cycle Inventories. Journal of Industrial Ecology, inPress, ⟨10.1111/jiec.12780⟩. ⟨hal-01652739v2⟩
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