Flow directionality

{
  "id": "MLC-T-ENV-011296",
  "term": "Flow directionality",
  "field": "Environment",
  "definition": "1. Describing the direction of the flow as either input (resource) or output (emission) for elementary flows [Original source: adapted from de Beaufort-Langeveld, A., Bretz, R., Hischier, R., Huijbregts, M., Jean, P., Tanner, T., & van Hoof, G. (2003). Code of Life-Cycle Inventory Practice. Pensacola: SETAC Press].\n\n2. Describing the direction of the flow as either input (resource) or output (emission) for elementary flows [FEDEFL].",
  "references": [
    "Federal LCA Commons Elementary Flow List for Life Cycle Assessment",
    "EPA EV-Natural Environments-Natural Phenomena"
  ],
  "url": "https://mlchart.com/terminology/environment/flow-directionality/"
}