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stat.ME2024
Non-stationary Spatio-Temporal Modeling Using the Stochastic Advection-Diffusion Equation
Martin Outzen Berild, Geir-Arne Fuglstad
We construct flexible spatio-temporal models through stochastic partial differential equations (SPDEs) where both diffusion and advection can be spatially varying. Computations are…
stat.ME2023★ 1 cited
Spatially Varying Anisotropy for Gaussian Random Fields in Three-Dimensional Space
Martin Outzen Berild, Geir-Arne Fuglstad
Isotropic covariance structures can be unreasonable for phenomena in three-dimensional spaces such as the ocean. In the ocean, the variability of the response may vary with depth,…