Energy Release Component (ERC) 2 : The computed total heat release per unit area (British thermal units per square foot) within the flaming front at the head of a moving fire
National Wildfire Coordinating Group (NWCG), Glossary of Wildland Fire Terminology, NWCG Program Management Unit, National Interagency Fire Center, Boise, ID, USA 2014. http://www.nwcg.gov/pms/pubs/glossary/pms205.pdf, (For Fr - Amer) {45}