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Table 4 Average fire behavior (ROS; rate of spread) in chaparral prescribed fires in northern California. Ranges are in parentheses.

From: Measuring the Rate of Spread of Chaparral Prescribed fires in Northern California

Site

Date

ROS (m s−1)

Flame length (m)

Comments

HREC1

June 1995

0.32 (0.22–0.42)

7–12

4 intervals obscured by smoke; N = 3

HREC2

June 1995

0.38 (0.3–0.42)

7–18

5 intervals obscured by smoke; N = 2

COW

November 2005

0.56 (0.35–0.7)*

5–20

*ROS influenced by ring ignition and helicopter-induced wind; N = 3

HREC3

February 2006

0.31, 0.23

7.5–12

Direct view obstructed, first point unburned; N = 2

HREC4

February 2006

-

7.5–12

ROS indeterminable, flaming front flanked transect

HREC5

February 2006

0.42 (0.19–0.68)

9–12

Wind blowing across slope influencing ROS; N = 6

HREC6

December 2006

0.22 (0.13–0.39)

9–15

First transect successful, other transects burned by flanking fire; N = 9