Spatiotemporal sampling to design adapted to heterogenities and real-time observations
- M.C. Bueso
- J.M. Angulo
- F.J. Alonso
- M.D. Ruiz-Medina
Année de publication: 2008
Type: Communication dans un congrès
Résumé
Entropy-based criteria for spatiotemporal sampling design naturallyincorporate prior knowledge on structural heterogeneities of processes involvedin environmental applications, an important aspect of variation to be consideredfor risk assessment purposes. Whenever possible, real-time observations must bealso integrated for dynamic adaptation of the spatial sampling configurations,eventually under certain restrictions, to account for the actual evolution of thesystem. In this paper, such information is exploited to redefine, at each time, theregion of interest in terms of local density. Procedures are applied to simulatedexamples where different ranges of memory and spatial dependence, as well asdifferent levels of local variability (fractality), are specified to study the structuralinfluence of the model in the entropy-based spatiotemporal sampling design.