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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

Volume 31 Number 2 2022

WF21118The sum of small parts: changing landscape fire regimes across multiple small landholdings in north-western Australia with collaborative fire management

Michael Wysong, Sarah Legge, Alex Clark, Stefan Maier, Bardi Jawi Rangers, Nyul Nyul Rangers, Yawuru Country Managers, Stuart Cowell and Grey Mackay
pp. 97-111

On the Dampier Peninsula, north-west Australia, Indigenous rangers, pastoralists and other stakeholders have collaborated to manage fire since 2016. The project has successfully changed fire regimes in ways that support biodiversity, cultural and economic values, showing the benefits of cross-tenure approaches to landscape-scale problems.


We measured post-fire field plots across the north-western USA to identify relationships between Composite Burn Index (CBI) and eight field measures and assessed how these relationships varied with forest structure. Most field measures corresponded well to CBI, but CBI underpredicts some independent burn severity measures in stands with large trees and does not fully capture levels of extreme burn severity.

WF21004Predicting black spruce fuel characteristics with Airborne Laser Scanning (ALS)

H. A. Cameron, D. Schroeder and J. L. Beverly
pp. 124-135

Statistical modelling was used to relate Airborne Laser Scanning (ALS) data to field-measured canopy fuel metrics important to wildfire behaviour in black spruce stands. Resulting models can be used to map canopy fuel attributes at multiple scales in Alberta, Canada.

WF21061Modelling chamise fuel moisture content across California: a machine learning approach

Scott B. Capps, Wei Zhuang, Rui Liu, Tom Rolinski and Xin Qu
pp. 136-148

Machine learning models were developed to relate weather data to chamise fuel moisture content in California. Forced with gridded numerical weather forecasts, these models provide gridded real-time live fuel moisture forecasts at high spatial and temporal resolution which can be used to identify regions with elevated wildfire potential.

WF21106High-resolution fire danger forecast for Poland based on the Weather Research and Forecasting Model

Alan Mandal, Grzegorz Nykiel 0000-0002-6827-0205, Tomasz Strzyzewski, Adam Kochanski, Weronika Wrońska, Marta Gruszczynska and Mariusz Figurski 0000-0001-9602-5007
pp. 149-162

Climate change increases the risk of dangerous forest fires. The Institute of Meteorology and Water Management implemented the Fire Weather Index (FWI) forecasting system based on the Canadian system. The system’s aim is to determine the risk of a fire and improve the work of fire services. This paper presents the results of the system validation.


Models of initial growth for fires in eucalypt forest litter were developed from observations in a combustion wind tunnel. Time to reach steady-state spread rate depended on wind speed and fuel moisture content. Results align with theoretical fire growth models but highlight the need to extend the results to field observation.

WF21082Extension of the Balbi fire spread model to include the field scale conditions of shrubland fires

François Joseph Chatelon, Jacques Henri Balbi, Miguel G. Cruz 0000-0003-3311-7582, Dominique Morvan, Jean Louis Rossi, Carmen Awad, Nicolas Frangieh, Jacky Fayad and Thierry Marcelli
pp. 176-192

This work deals with the extension of the Balbi model to the field scale. The proposed model is physics oriented, fully predictive, faster than real time and tested against 148 shrubland fires picked up in the literature. A comparison with results provided by other models is also made.

WF20140An evaluation of empirical and statistically based smoke plume injection height parametrisations used within air quality models

Joseph L. Wilkins 0000-0003-1888-787X, George Pouliot, Thomas Pierce, Amber Soja, Hyundeok Choi, Emily Gargulinski, Robert Gilliam, Jeffrey Vukovich and Matthew S. Landis
pp. 193-211

For prescribed grassland burns, plume rise estimates were improved with a more realistic burn window (~3 h compared with 12-h standard). For most burns examined in this study, the Briggs method performed as well or better than the alternative approaches. Observations indicated that plumes often penetrated above the boundary layer.

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