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Bivariate geostatistical modelling: a review and an application to spatial variation in radon concentrations

Fanshawe, Thomas and Diggle, Peter (2012) Bivariate geostatistical modelling: a review and an application to spatial variation in radon concentrations. Environmental and Ecological Statistics, 19 (2). pp. 139-160. ISSN 1352-8505

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We present a comprehensive review of multivariate geostatistical models, focusing on the bivariate case. We compare in detail three approaches, the linear model of coregionalisation, the common component model and the kernel convolution approach, and discuss similarities between them. We demonstrate the merits of the common component class of models as a flexible means for modelling bivariate geostatistical data of the type that frequently arises in environmental applications. In particular, we show how kernel convolution can be used to approximate the common component model, and demonstrate the method using a data-set of calcium and magnesium concentrations in soil samples. We then apply the model to a study of domestic radon concentrations in the city of Winnipeg, Canada, in which exposure was measured at two sites (bedroom and basement) in each residential location. Our analysis demonstrates that in this study the correlation between the two sites within each house dominates the short-range spatial correlation typical of the distribution of radon.

Item Type: Journal Article
Journal or Publication Title: Environmental and Ecological Statistics
Uncontrolled Keywords: Common component model ; Linear model of coregionalisation ; Kernel convolution
Subjects: ?? r1 ??
Departments: Faculty of Health and Medicine > Medicine
ID Code: 55634
Deposited By: ep_importer_pure
Deposited On: 29 Jun 2012 14:27
Refereed?: Yes
Published?: Published
Last Modified: 06 Nov 2018 02:15
Identification Number:

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