JSM 2011 Online Program

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Abstract Details

Activity Number: 322
Type: Invited
Date/Time: Tuesday, August 2, 2011 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistical Computing
Abstract - #300140
Title: Using Approximate Dynamics to Inform Spatio-Temporal Ocean Ecosystem Models
Author(s): Christopher K. Wikle*+
Companies: University of Missouri
Address: Department of Statistics, Columbia, MO, 65211-6100,
Keywords: dynamic ; spatio-temporal ; ocean ; ecosystem ; nonlinear ; hierarchical
Abstract:

A wide variety of physical-biological models of varying complexity have been developed for components of the lower trophic ecosystem and its spatio-temporal interaction with the physical ocean. Such models are highly nonlinear and include parameterizations that are historically poorly informed by limited and relatively uncertain observations. This talk describes how approximate dynamical representations can facilitate parameter and state estimation for such processes in a Bayesian hierarchical framework.


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