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EFFECT OF SUPPORT SIZE ON THE ACCURACY OF SPATIAL MODELS: FINDINGS OF ROCKFALL SIMULATIONS ON FORESTED SLOPES (2004)

The accuracy of model output increases with a decreasing support size of the input data, due to the increase of detail. This paper examines whether this is true for various spatial models developed for simulating rockfall. We 
analyze the effect of the support size on the accuracy of a set of models and their parameters. Both calibration and validation data were obtained from real-size rockfall experiments in France, where high-speed video 
cameras recorded the trajectories and velocities of more than 200 individual falling rocks with diameters between 0.8 and 1.5 meter. The second validation set was obtained in the Austrian Alps.
Reference:
TIES 2004 - ACCURACY 2004 Joint Meeting, 28 June - 1 July 2004, Portland, Maine, USA
Organization:
Cemagref Grenoble, France
France
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