Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. sustainability science and engineering
  3. industrial ecology
  4. life cycle assessment
  5. elementary flow
  1. Natural Resources, Conservation, Environment
  2. environmental sustainability
  3. industrial ecology
  4. life cycle assessment
  5. elementary flow

Preferred term

elementary flow

Type

  • Topic

Definition

  • Information 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.

    Source: NAL Thesaurus Staff

    Concept scheme: NALT Full

    Type: Concept definition

Broader concept

Related concepts

In other languages

URI

https://lod.nal.usda.gov/nalt/137791

Download this concept:

RDF/XML TURTLE JSON-LD Created 10/2/10, last modified 2/18/14