Extended Data Table 4 Candidate variables considered for analysis of drivers of total carbon (C) combustion
From: Increased deciduous tree dominance reduces wildfire carbon losses in boreal forests
Group | Type | Variable | Mean | St. Err. | Min. | Max. |
|---|---|---|---|---|---|---|
Top-down Drivers | DOB Weather | Windspeed (m / s) | 9.01 | 0.20 | 3.42 | 25.21 |
Rel. Humidity (%) | 59.53 | 0.75 | 39.84 | 87.13 | ||
Temperature (°C) | 19.38 | 0.28 | 8.30 | 27.63 | ||
Buildup Ind. | 50.62 | 1.30 | 5.14 | 110.27 | ||
Drought Code | 309.52 | 7.01 | 38.72 | 500.89 | ||
Duff Moist. Code | 33.76 | 1.01 | 3.08 | 80.84 | ||
Daily Sev. Ranking | 2.09 | 0.12 | 0.00005 | 8.38 | ||
Fine Fuel Moist. Code | 83.61 | 0.47 | 40.37 | 89.94 | ||
Fire Weather Ind. | 10.33 | 0.35 | 0.03 | 25.48 | ||
Initial Spread Ind. | 3.72 | 0.10 | 0.07 | 7.22 | ||
dNormal Weather | Warmest Month Temp. (°C) | 1.08 | 0.05 | -1.40 | 2.70 | |
Annual Precip. (mm) | 72.40 | 6.81 | -147.00 | 344.00 | ||
May-Sept. Precip. (mm) | 24.95 | 4.46 | -123.00 | 179.00 | ||
Annual RH (%) | 2.51 | 0.21 | -6.00 | 7.00 | ||
Annual Climate Moist. Ind. (mm) | 4.42 | 0.78 | -20.72 | 30.92 | ||
Annual Climate Moist. Def. (mm) | 48.41 | 2.70 | -17.00 | 164.00 | ||
Summer Heat Moist. Ind. | 7.88 | 1.70 | -23.32 | 129.20 | ||
Spring Temp. (°C) | 1.90 | 0.11 | -1.80 | 3.80 | ||
Summer Temp. (°C) | 0.80 | 0.06 | -0.70 | 2.90 | ||
Spring Precip. (mm) | 11.5 | 0.8 | -14 | 38 | ||
Summer Precip. (mm) | 9.8 | 4.0 | -156 | 164 | ||
Spring RH (%) | 1.89 | 0.13 | -2 | 6 | ||
Summer RH (%) | 1.01 | 0.15 | -5 | 5 | ||
Spring Climate Moist. Ind. (mm) | -0.51 | 0.14 | -3.85 | 3.69 | ||
Summer Climate Moist. Ind. (mm) | -0.04 | 0.54 | -21.84 | 15.60 | ||
Spring Climate Moist. Def. (mm) | 8 | 1 | -24 | 51 | ||
Summer Climate Moist. Def. (mm) | 39 | 3 | -38 | 159 | ||
Bottom-up Drivers | Fuel Structure | Pre-fire aboveground C (g m−2) | 4739 | 254 | 0 | 26862 |
Pre-fire belowground C (g m−2) | 3966 | 118 | 788 | 10209 | ||
Stand density (stems m−2) | 0.60 | 0.02 | 0.00 | 2.38 | ||
Stand age (years) | 94.1 | 1.8 | 29 | 240 | ||
Year-prior summer EVI-2 | 0.3364 | 0.0041 | 0.1117 | 0.5575 | ||
20-year EVI-2 slope | -0.0011 | 0.0001 | -0.0067 | 0.0034 | ||
10-year EVI-2 slope | -0.0017 | 0.0002 | -0.0151 | 0.0096 | ||
5-year EVI-2 slope | 0.0013 | 0.0007 | -0.0302 | 0.0395 | ||
Topoedaphic Position | Slope (°) | 11.7 | 0.5 | 0 | 34 | |
Aspect (°) | 170 | 5 | 8 | 363 | ||
Moisture class (1-6) | 2.81 | 0.07 | 1 | 6 |
