International Journal of Wildland Fire International Journal of Wildland Fire Society
Journal of the International Association of Wildland Fire
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International Journal of Wildland Fire

International Journal of Wildland Fire

Volume 27 Number 1 2018

WF16221Mapping Canadian wildland fire interface areas

Lynn M. Johnston and Mike D. Flannigan
pp. 1-14

This study defined and mapped the interface areas of Canada. The wildland–urban interface was found to cover 32.3 million ha (3.8% of total national land area). Two novel interface types were also mapped: the wildland–industrial interface (10.5 million ha; 1.2% of land area), and the infrastructure interface (109.8 million ha; 13.0% of land area).

WF17061Simulating the effectiveness of prescribed burning at altering wildfire behaviour in Tasmania, Australia

James M. Furlaud, Grant J. Williamson and David M. J. S. Bowman
pp. 15-28

Simulation modelling showed that an unrealistically large-scale prescribed-burning program across Tasmania would be necessary to reduce wildfire extent and intensity under dangerous fire-weather conditions. By contrast, more feasible, but geographically constrained, broad-scale prescribed-burning plans had substantially reduced effects on area burnt and fire intensity. This study highlights the need for targeted localised fuel treatments rather than broad-scale prescribed burning.

WF17020An improved non-equilibrium model for the ignition of living fuel

A. Lamorlette, M. El Houssami and D. Morvan
pp. 29-41

In the frame of vegetation fire modelling, numerous studies allow proper prediction of the behaviour of dead fuel. However, these models fail to capture the behaviour of living fuel. Hence this study aims to model the behaviour of living fuel through the specific role of sap, which seems to drive the fuel temperature during the heating phase leading to ignition.

WF17058Short-term stem mortality of 10 deciduous broadleaved species following prescribed burning in upland forests of the Southern US

Tara L. Keyser, Virginia L. McDaniel, Robert N. Klein, Dan G. Drees, Jesse A. Burton and Melissa M. Forder
pp. 42-51

Two years following prescribed fire in upland forests of the Southern US, stem mortality of 10 deciduous broadleaved species ranged from 7 to 59%. Stem size was inversely related to the probability of stem mortality (P(m)) whereas maximum bole char height was positively related to P(m) for all species examined.

WF16173Analysis of the physical processes associated with junction fires at laboratory and field scales

J. R. Raposo, D. X. Viegas, X. Xie, M. Almeida, A. R. Figueiredo, L. Porto and J. Sharples
pp. 52-68

The evolution of two linear fires that merge forming a small angle is analysed based on laboratory and field-scale experiments. The observed strong fire acceleration and deceleration are explained by changes of the induced flow and the fire geometry regardless of the scale and boundary conditions of the fire.

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