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IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


Research

Publications

Modeling spatial variability of 137Cs deposits in a mountain zone.

JM Métivier, L Pourcelot Environsoft 2002, 9th international conference on development and application of computer techniques to environmental techniques - 6/8 may 2002 in BERGEN NORWAY.

Document type > *Congrès/colloque

Keywords > radioecology modeling, caesium, modelling, soil

Research Unit > IRSN/DEI/SECRE/LME, IRSN/DEI/SESURE/LERCM

Authors > METIVIER Jean-Michel, POURCELOT Laurent

Publication Date > 06/05/2002

Summary

Based on 137Cs surgace activity field studies performed on a workshop zone, we succeded in indentifying the main criterion permitting surface activity modeling to be extended. Geomorphometric data derived from the digital elevation model (slope, aspect) was combined togheter with land use. Geographical Information System software allowed us to gather togheter, organize and analyze the spatial variability of the data sets. Surface activity in all the catchment basins were modeled using a mpping function tree that symbolizes treatment sequences. Subsequently, a map validation step was performed via soil sampling and measuring.

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