Temporalis, a generic method and tool for dynamic Life Cycle Assessment

The Science of the Total Environment
Giuseppe CardelliniBart Muys

Abstract

The limitations of the static nature of Life Cycle Assessment (LCA) are well known. To overcome the loss of temporal information due to the aggregation of flows in the Life Cycle Inventory (LCI), several dynamic LCA methodologies have been proposed. In this paper we present a new generic and operational methodology for dynamic LCA that allows for the introduction of temporal information in both in the inventory and the Life Cycle Impact Assessment (LCIA) phases. The method makes use of graph traversal and convolution to calculate the temporally differentiated inventory, and makes it possible to use several types of dynamic impact assessment. We describe our method and apply it to a cradle-to-grave dynamic LCA of a glued laminated timber (glulam) product. We also test the sensitivity of the global warming results to temporal explicit LCI data. There is a considerable difference in outcome between the static and dynamic approaches. We have implemented our framework in the free and open source software Temporalis that is fully operational and can be used with existing LCA databases.

Citations

Mar 7, 2020·International Journal of Environmental Research and Public Health·Xizhuo ZhangQiang Zhai
Aug 8, 2020·The Science of the Total Environment·Didier Beloin-Saint-PierrePierre Collet
Apr 1, 2021·Environmental Science and Pollution Research International·Shu SuJingfeng Yuan
Dec 5, 2019·Environmental Science & Technology·Yixuan WangMorton A Barlaz

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