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

International Journal of Wildland Fire

International Journal of Wildland Fire

International Journal of Wildland Fire publishes articles on basic and applied aspects of wildland fire science including, but not confined to, ecological impact, modelling fire and its effects, and management of fire. Read more about the journalMore

Editors-in-Chief: Susan G. Conard and Stefan Doerr

Current Issue

International Journal of Wildland Fire

Volume 26 Number 8 2017

Data compiled from reports of firefighter entrapments in the USA were used to build statistically based models of wildland firefighter safety and survival zone separation distance. Model results reinforced the importance of fire shelters and produced predictions of separation distance from flames that in some cases were significantly greater than suggested by physically based models.

WF16178Direct estimation of Byram's fire intensity from infrared remote sensing imagery

Joshua M. Johnston, Martin J. Wooster, Ronan Paugam, Xianli Wang, Timothy J. Lynham and Lynn M. Johnston
pp. 668-684

Methods for remotely measuring Byram’s fire intensity with infrared cameras are developed. Experimental data are collected to validate the methods. Results suggest it is possible to use infrared imagery to quantify fire intensity without the need for ground sampling.

WF17035Downdraft outflows: climatological potential to influence fire behaviour

Brian E. Potter and Jaime R. Hernandez
pp. 685-692

Several types of wind shifts dangerous to wildland firefighters derive from convective downdrafts and outflows. A climatological summary of the potential for evaporation-driven downdrafts in the continental United States is presented, with discussion of implications for forecasting and operations.

WF17010An experimental study on thermal radiation of fire whirl

Pengfei Wang, Naian Liu, Yueling Bai, Linhe Zhang, Kohyu Satoh and Xuanya Liu
pp. 693-705

Using a unique fire whirl facility made of an air curtain apparatus, the correlation of the flame emissivity of fire whirl with flame diameter was determined by an infrared method for the first time. It was verified that the flame radiation of the fire whirl can be accurately predicted by the multizone flame model with the use of the measured flame emissivity.

WF16169Balancing uncertainty and complexity to incorporate fire spread in an eco-hydrological model

Maureen C. Kennedy, Donald McKenzie, Christina Tague and Aubrey L. Dugger
pp. 706-718

Fire spread is integrated with an eco-hydrological model designed to predict physical and biological watershed dynamics. The challenges of matching the requirements of predicting fire spread with the outputs of a model not designed for fire are evaluated and overcome in model design.

This paper examines wildfires reported in the NFIRS database, a primary database for fires in the US, and compares it with the satellite-based MODIS fire detection data and the CAL FIRE FRAP geodatabase to understand underreporting of wildland fires. The paper discusses a series of large wildland fires and uses a Generalised Linear Model to identify the conditions where large wildfires go unreported.

Wildfires represent a threat to many communities nationwide. Random parameter logit model results suggest that Florida minority homeowners who perceived they live in low- to moderate-risk communities prefer both types of fire mitigation programs. In addition, homeowners who perceived they live in high-risk communities also prefer both the public and private programs, but their WTP values are lower than in low- to moderate-risk communities.

Online Early

The peer-reviewed and edited version of record published online before inclusion in an issue

Published online 18 August 2017

WF16217Using alternative soil moisture estimates in the McArthur Forest Fire Danger Index

Chiara M. Holgate, Albert I. J. M. van Dijk, Geoffrey J. Cary and Marta Yebra

The McArthur Forest Fire Danger Index is currently used in Australia to assess bushfire hazard. The index relies on the Keetch–Byram Drought Index to estimate soil dryness, yet improved approaches for estimating soil moisture have become available. This article evaluates the effect of employing alternative soil moisture estimates on the bushfire hazard index.

Published online 17 August 2017

WF16045Effect of two-way coupling on the calculation of forest fire spread: model development

A. M. G. Lopes, L. M. Ribeiro, D. X. Viegas and J. R. Raposo

The standard procedure when simulating fire spread is to take the unperturbed wind flow as input data. In this work, we propose a new formulation that considers thermal effects from the fire front on the wind field. The first part of this work describes the underlying models and preliminary tests.

Simulations show reduced burnt area in northern Australia and increased burnt area in central and southern Australia in response to projected changes in 21st century climate. Climate-induced vegetation changes are as important as climate in determining future fire regimes. Changes in fire regime are large enough to cause changes in vegetation patterns.

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