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Life Cycle Data Interoperability Improvements through Implementation of the Federal LCA Commons Elementary Flow List
Ashley N Edelen1, Sarah Cashman1, Ben Young1
1Eastern Research Group, Inc., Lexington, MA 02421, USA.
Applied Sciences (Basel, Switzerland)
|November 4, 2022
Summary
Improving life cycle assessment (LCA) data interoperability is crucial. The Federal LCA Commons Elementary Flow List enhances data sharing by structuring elementary flows, significantly boosting automatic name-to-name matching between diverse sources.
Area of Science:
- Environmental Science
- Data Science
- Sustainable Engineering
Background:
- Elementary flows are vital for life cycle assessment (LCA) data.
- Current elementary flow lists lack structure, hindering data interoperability.
- The Federal LCA Commons Elementary Flow List offers a new structured framework.
Purpose of the Study:
- To test the Federal LCA Commons Elementary Flow List's effectiveness in improving LCA data interoperability.
- To quantify the impact of this structured list on flow mapping and data exchange.
Main Methods:
- Assessed interoperability of 10 elementary flow lists, 2 LCA databases, 3 impact assessment methods, and 5 software sources.
- Compared data interoperability with and without the Federal LCA Commons Elementary Flow List as an intermediary.
- Analyzed name-to-name matching rates for elementary flows.
Main Results:
- Without the Federal LCA Commons list, only 25% of source comparisons achieved >50% automatic flow matching.
- Original elementary flow nomenclature shows low interoperability, necessitating flow mapping.
- The Federal LCA Commons list significantly increased name-to-name matches between sources.
Conclusions:
- The Federal LCA Commons Elementary Flow List framework demonstrably enhances life cycle data source interoperability.
- Structured elementary flows are essential for seamless data exchange in LCA.
- This novel framework facilitates more efficient and accurate LCA modeling.
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