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Tracing leachates at landfills is usually carried out using either geophysical methods or chemical analyses of groundwater.
There are often problems with fingerprinting pollution sources or clarifying the spreading pattern due to a wide variety of
possibilities giving similar anomalies. The aims of the project were to evaluate the advantages of combining results from
multigeophysical modelling and statistical/chemical modelling in order to identify pollution sources and the spreading pattern
and to test a new technique for chemical fingerprinting. The project was carried out at a landfill in central Sweden using
geophysical measurements and modelling of CVES, GPR and VLF as well as chemical modelling using M3 (multivariate mixing and
mass balance calculations). The results indicate that by combining geophysical modelling and chemical calculations, the possibilities
of fingerprinting the origin of pollution as well as delineating the spreading pattern are significantly increased. 相似文献
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