Fuel type, wind speed, and fuel moisture effects on fireline intensity

Predicted heat release and fireline intensity of tall grass, southern rough, and light logging slash under different wind speeds and fuel moisture contents. Predictions were generated in Behave Plus 2.0.2.

Table: Fuel type, wind speed, and fuel moisture effects on fireline intensity.
GRASS HEAT RELEASE FIRELINE INTENSITY (Btu/ft/s)
(Btu/ft²)
Wind Speed 6 % MC 12% MC 18% MC 6 % MC 12% MC 18% MC
5 mph 742 648 560 1603 1009 640
10 mph 742 648 560 3886 2446 1552
20 mph 742 648 560 9550 6010 3814
ROUGH HEAT RELEASE FIRELINE INTENSITY (Btu/ft/s)
(Btu/ft²)
Wind Speed 6 % MC 12% MC 18% MC 6 % MC 12% MC 18% MC
5 mph 530 456 428 279 188 152
10 mph 530 456 428 684 462 373
20 mph 530 456 428 1705 1065 791
SLASH HEAT RELEASE FIRELINE INTENSITY (Btu/ft/s)
(Btu/ft²)
Wind Speed 6 % MC 12% MC 18% MC 6 % MC 12% MC 18% MC
5 mph 756 545 0 87 36 0
10 mph 756 545 0 183 76 0
20 mph 756 545 0 396 139 0

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Table: Fuel type, wind speed, and fuel moisture effects on fireline intensity.
GRASS	HEAT RELEASE			FIRELINE INTENSITY (Btu/ft/s)
GRASS	(Btu/ft²)			FIRELINE INTENSITY (Btu/ft/s)
Wind Speed	6 % MC	12% MC	18% MC	6 % MC	12% MC	18% MC
5 mph	742	648	560	1603	1009	640
10 mph	742	648	560	3886	2446	1552
20 mph	742	648	560	9550	6010	3814
ROUGH	HEAT RELEASE			FIRELINE INTENSITY (Btu/ft/s)
ROUGH	(Btu/ft²)			FIRELINE INTENSITY (Btu/ft/s)
Wind Speed	6 % MC	12% MC	18% MC	6 % MC	12% MC	18% MC
5 mph	530	456	428	279	188	152
10 mph	530	456	428	684	462	373
20 mph	530	456	428	1705	1065	791
SLASH	HEAT RELEASE			FIRELINE INTENSITY (Btu/ft/s)
SLASH	(Btu/ft²)			FIRELINE INTENSITY (Btu/ft/s)
Wind Speed	6 % MC	12% MC	18% MC	6 % MC	12% MC	18% MC
5 mph	756	545	0	87	36	0
10 mph	756	545	0	183	76	0
20 mph	756	545	0	396	139	0