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|Title:||Investigations on Indoor Radon in Austria, part 2: Geological Classes as Categorical External Drift for Spatial Modelling of the Radon Potential|
|Authors:||BOSSEW PETER; DUBOIS GREGOIRE; TOLLEFSEN TORE|
|Citation:||JOURNAL OF ENVIRONMENTAL RADIOACTIVITY vol. 99 no. 1 p. 81-97|
|Publisher:||ELSEVIER SCI LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Geological classes are used to model the deterministic (drift or trend) component of the Radon potential (Friedmann's RP) in Austria. It is shown that the RP can be grouped according to geological classes, but also according to individual geological units belonging to the same class. Geological classes can thus serve as predictors for mean RP within the classes. Variability of the RP within classes or units is interpreted as the stochastic part of the regionalized variable RP; however, there does not seem to exist a smallest unit which would naturally divide the RP into a deterministic and a stochastic part. Rather, this depends on the scale of the geological maps used, down to which size of geological units is used for modelling the trend. In practice, there must be a sufficient number of data points (measurements) distributed as uniformly as possible within one unit to allow reasonable determination of the trend component. 2007 Elsevier Ltd. All rights reserved. Keywords: Indoor radon; Radon potential; Geology; Mapping; Geostatistics|
|JRC Directorate:||Sustainable Resources|
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