HALE, Sophie A.; GARDINER, Barry; PEACE, Andrew; NICOLL, Bruce; TAYLOR, Philip; PIZZIRANI, Stefania

doi:10.1016/j.envsoft.2015.01.016

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HALE, Sophie A.
Forest Research, Northern Research Station

GARDINER, Barry
Interactions Sol Plante Atmosphère [UMR ISPA]
Forest Research, Northern Research Station

PEACE, Andrew
Northern Research Station

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Environmental Modelling and Software. 2015, vol. 68, p. 27-41

Elsevier

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Predicting the probability of wind damage in both natural and managed forests is important for understanding forest ecosystem functioning, the environmental impact of storms and for forest risk management. We undertook a thorough validation of three versions of the hybrid-mechanistic wind risk model, ForestGALES, and a statistical logistic regression model, against observed damage in a Scottish upland conifer forest following a major storm. Statistical analysis demonstrated that increasing tree height and local wind speed during the storm were the main factors associated with increased damage levels. All models provided acceptable discrimination between damaged and undamaged forest stands but there were trade-offs between the accuracy of the mechanistic models and model bias. The two versions of the mechanistic model with the lowest bias gave very comparable overall results at the forest scale and could form part of a decision support system for managing forest wind damage risk.< Leer menos

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risk modelling

decision support system

wind damage

forest disturbance

mechanistic modelling

validation

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Comparison and validation of three versions of a forest wind risk model

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