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Combining geostatistics and on-site X-ray fluorescence analyses for a real time adaptive polluted site investigation

Extended abstract

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Organisme : KIDOVA, ADEME
Description : août 2011 - 26 p.
Type de contenu : Etude, Rapport

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Résumé : "How to improve the characterization of contaminated sites?"

Combining field analyzers and geostatistical methods allows to meet this expectation. Site investigations can be carried out faster and be rationalized. A coupling approach was designed in that purpose within the research project REPERAGE. A computer code was developed to test it on a reconstructed real case study (Metaleurop Nord, France). The approach was then applied to a site contaminated by heavy metals in reatime conditions (Henricot II, Belgium).

This work demonstrates that a large number of data can be collected in a very short time by using a field portable X-ray fluorescence spectrometer (FPRF) and a DGPS (several hundreds data in one week), yet optimizing their location as the survey progresses. The uncertainty about geostatistically derived soil classification is reduced to its maximum, given spatial, temporal and financial constraints. Compared with more usual practices that do not rely on site measurementsand geostatistical modeling, the proposed approach also clearly improves the estimation and delineation of polluted soil volumes.

There is also a French version.

Détails

Description du tableau
Mots-clés : POLLUTION, METAL LOURD, METHODOLOGIE, SOL, SPECTROMETRIE
Date de mise en ligne : août 2011
Date d'édition : août 2011
Langue : EN
Type de support : pdf/A4
Cible(s) concernée(s) : Entreprises et Monde Agricole
Public : Bureaux d'études