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Table 5 Edge characteristics of fire-on-fire interactions for each study area. Nearly 80 % of the previously created fire edges encountered by a subsequent fire were breached, leading to a re-burn of greater than 40 ha.

From: Characterizing Fire-on-Fire Interactions in Three Large Wilderness Areas

  Bob Marshall Selway-Bitterroot Frank Church
Total Available Edge (km) 21 248 12 716 66 104
Total Edge Encountered (km) 306 174 1 916
Proportion of Available Edge (%) 1.4 1.4 2.9
Total Length Shared (km) 63 32 323
Proportion of Total Edge Encountered (%) 20.6 18.4 16.9
Total Length Breached (km) 242 142 1 594
Proportion of Total Edge Encountered (%) 79.1 81.6 83.2