Evaluation of the predictive capacity of dead fuel moisture models for Eastern Australia grasslands
2016
Cruz, Miguel G. | Kidnie, Susan | Matthews, Stuart | Hurley, Richard J. | Slijepcevic, Alen | Nichols, David | Gould, Jim S.
The moisture content of dead grass fuels is an important input to grassland fire behaviour prediction models. We used standing dead grass moisture observations collected within a large latitudinal spectrum in Eastern Australia to evaluate the predictive capacity of six different fuel moisture prediction models. The best-performing models, which ranged from a simple empirical formulation to a physically based process model, yield mean absolute errors of 2.0% moisture content, corresponding to a 25–30% mean absolute percentage error. These models tended to slightly underpredict the moisture content observations. The results have important implications for the authenticity of fire danger rating and operational fire behaviour prediction, which form the basis of community information and warnings, such as evacuation notices, in Australia.
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