Table 1 Composite burn index (CBI) and relative differenced normalized burn ratio (RdNBR) values for each severity category.
From: Relating Fire-Caused Change in Forest Structure to Remotely Sensed Estimates of Fire Severity
Severity category | CBI | Initial RdNBR | Extended RdNBR |
|---|---|---|---|
Unchanged | 0.00 to 0.10 | <79 | <69 |
Low | 0.10 to 1.24 | 79 to 360 | 69 to 315 |
Moderate | 4.25 to 2.24 | 361 to 732 | 316 to 640 |
High | 2.25 to 3.0 | ≥733 | ≥641 |