Table 1
From: Recent Arctic tundra fire initiates widespread thermokarst development
Terrain Units | Terrain Unit Area# | Detected subsidence derived from multitemporal airborne LiDAR data* | Change in Microtopography^ | Burn Severityâ™® | ||||
|---|---|---|---|---|---|---|---|---|
Area | Volume | Max. Sub. | ||||||
(km2) | (km2) | (% of terrain unit) | ×10,000 (m3) | (% of total) | (m) | (%) | (dNBR) | |
Drained Lake Basin | ||||||||
 Inside Burn | 98.2 | 22.88 | 23.29 | 644.6 | 19.34 | 3.9 | 81.3 | 590 |
 Outside Burn | 2.4 | 0.03 | 1.35 | 0.9 | 0.03 | 3.3 | −4.4 | — |
Yedoma Upland | ||||||||
 Inside Burn | 98.6 | 48.61 | 49.31 | 1653.6 | 49.62 | 6.7 | 343.7 | 753 |
 Outside Burn | 4.1 | 0.02 | 0.40 | 0.7 | 0.02 | 3.2 | −5.8 | — |
Rocky Upland | ||||||||
 Inside Burn | 34.5 | 15.40 | 44.63 | 468.7 | 14.07 | 3.3 | 211.0 | 782 |
 Outside Burn | — | — | — | — | — | — | — | — |
Glaciated Upland | ||||||||
 Inside Burn | 39.2 | 11.18 | 28.53 | 340.4 | 10.21 | 3.1 | 178.0 | 675 |
 Outside Burn | 10.8 | 0.05 | 0.51 | 1.3 | 0.04 | 3.3 | −0.9 | — |
River Floodplain | ||||||||
 Inside Burn | 20.2 | 2.18 | 10.79 | 59.9 | 1.80 | 3.0 | −82.1 | 609 |
 Outside Burn | 16.5 | 1.60 | 9.70 | 71.8 | 2.16 | 4.1 | 7.4 | — |
Tundra Stream Gulch | ||||||||
 Inside Burn | 10.0 | 2.39 | 23.96 | 71.0 | 2.13 | 5.7 | 30.1 | 634 |
 Outside Burn | 1.0 | 0.04 | 3.55 | 1.0 | 0.03 | 1.9 | 8.6 | — |
Lakes | ||||||||
 Inside Burn | 5.6 | 0.69 | 12.28 | 18.1 | 0.54 | 2.9 | −49.6 | — |
 Outside Burn | 0.4 | 0.02 | 4.68 | 0.5 | 0.02 | 1.0 | −55.6 | — |
Totals | ||||||||
 Inside Burn | 306.4 | 103.3 | — | 3256.3 | — | 6.7 | 101.8 | — |
 Outside Burn | 35.2 | 1.8 | — | 76.2 | — | 4.1 | −8.4 | — |
