Articles | Volume 16, issue 2
Research article
22 Jan 2019
Research article |  | 22 Jan 2019

Varying relationships between fire radiative power and fire size at a global scale

Pierre Laurent, Florent Mouillot, Maria Vanesa Moreno, Chao Yue, and Philippe Ciais

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Cited articles

Agee, J. K, Bahro, B., Finney, M. A., Omi, P. N., Sapsis, D. B., Skinner, C. N., van Wagtendonk, J. W., and Weatherspoon, C. P.: The use of shaded fuelbreaks in landscape fire management, Forest Ecol. Manag., 127, 55–66, 2000. 
Ager, A. A., Barros, A. M. G., Preisler, H. K., Day, M. A., Spies, T. A., Bailey, J. D., and Bolte, J. P: Effects of accelerated wilfire on future fire regimes and implications for the United States federal fire policy, Ecol. Soc., 22, 12,, 2017. 
Alexander, M. E.: Calculating and interpreting forest fire intensities, Can. J. Bot., 60, 349–357, 1982. 
Short summary
Fire propagation and fire size are usually considered to be proportional to fire intensity. We used a global database of fire patch size and fire radiative power, used as a proxy of fire intensity, to test this relationship at a global scale. We showed that in some regions fire size tends to saturate when a regional fire intensity threshold is reached. We concluded that increasing landscape fragmentation limits fire propagation and this effect should be accounted for in global fire modules.
Final-revised paper