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Space-time calibration of radar rainfall data

Brown, Patrick E. ; Diggle, Peter J. ; Lord, Martin E. ; Young, Peter C.

Applied statistics, 2001, Vol.50 (2), p.221-241 [Periódico revisado por pares]

Oxford, UK and Boston, USA: Blackwell Publishers Ltd

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Título:
Space-time calibration of radar rainfall data
Autor: Brown, Patrick E. ; Diggle, Peter J. ; Lord, Martin E. ; Young, Peter C.
Assuntos: Animal, plant and microbial ecology ; Biological and medical sciences ; Calibration ; Covariance ; Dynamic linear model ; Environmental monitoring ; Estimation ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; General aspects. Techniques ; Generalities ; Inference from stochastic processes; time series analysis ; Kalman filter ; Linear models ; Mathematics ; Measuring instruments ; Modeling ; Modelling ; Multivariate analysis ; Probability ; Probability and statistics ; Radar ; Radar echoes ; Rain ; Reflectance ; Sciences and techniques of general use ; Spacetime ; Spatial models ; Statistics ; Time series
É parte de: Applied statistics, 2001, Vol.50 (2), p.221-241
Notas: istex:730C3E8B6B403F51BB78CA344157C63A83911CC9
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Descrição: Motivated by a specific problem concerning the relationship between radar reflectance and rainfall intensity, the paper develops a space-time model for use in environmental monitoring applications. The model is cast as a high dimensional multivariate state space time series model, in which the cross-covariance structure is derived from the spatial context of the component series, in such a way that its interpretation is essentially independent of the particular set of spatial locations at which the data are recorded. We develop algorithms for estimating the parameters of the model by maximum likelihood, and for making spatial predictions of the radar calibration parameters by using realtime computations. We apply the model to data from a weather radar station in Lancashire, England, and demonstrate through empirical validation the predictive performance of the model.
Editor: Oxford, UK and Boston, USA: Blackwell Publishers Ltd
Idioma: Inglês

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Space-time calibration of radar rainfall data

Brown, Patrick E. ; Diggle, Peter J. ; Lord, Martin E. ; Young, Peter C.

Oxford, UK and Boston, USA: Blackwell Publishers Ltd

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