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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > sustainability science and engineering > industrial ecology > life cycle assessment > elementary flow
Natural Resources, Conservation, Environment > environmental sustainability > industrial ecology > life cycle assessment > elementary flow
Preferred Term:

elementary flow

Definition:
Material or energy entering or leaving the system being studied, which has been drawn from or emitted to the environment without previous or subsequent human transformation.
Concept Schemes:
NALT Full
Broader Concept:
life cycle assessment
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/137791
Download this Concept:
RDF/XMLCreated 2010-10-02, last modified 2014-02-18