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GLOBAL AND REGIONAL SURFACE WIND FIELD INFERENCES FROM SPACE-BORNE SCATTEROMETER DATA 63 Summary 1. Global and regional surface wind datasets from spaceborne scatterometers are âmassiveâ and important for climate and weather. Applications require: ⢠regular grids ⢠uniform spatial O(10 km) and temporal O(diurnal) resolution 2. Blended scatterometer and weather-center analyses provide global, realistic high-wavenumber surface winds ⢠impose spectral constraints via multi-resolution wavelets 3. Bayesian Hierarchical Models to exploit massive remote sensing datasets ⢠measurement error models from cal/val studies (likelihoods) ⢠process models from GFD (priors) ⢠advances in MCMC 4. Tropical Winds Example (Wikle et al. 2001) 5. Bayesian Hierarchical Model for Air-Sea Interaction (Berliner et al 2002) ⢠multi-platform data from scatterometer and altimeter ⢠stochastic geostrophy (atmos) and quasi-geostrophy (ocean) priors ⢠MCMC to ISMC linkage for posteriors ⢠term-by-term uncertainty ⢠realistic covariance structures